Home » Public Forums » GMCnet » Jim Bounds Sliding driver windows
Jim Bounds Sliding driver windows [message #354278] |
Thu, 30 April 2020 09:24 |
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Husker92592
Messages: 137 Registered: August 2013 Location: Temecula ca
Karma: -4
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Senior Member |
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Does anyone know where we can find the larger driver and passenger windows? To get fresh air in the coach the wind wings are extremely poor in function and I can not find anything on the net. it seems we are loosing viable products for our coaches.
thanks
Grant
1974 GMC Sequoia 26'
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Re: Jim Bounds Sliding driver windows [message #354279 is a reply to message #354278] |
Thu, 30 April 2020 09:49 |
lqqkatjon
Messages: 2324 Registered: October 2010 Location: St. Cloud, MN
Karma: 5
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Senior Member |
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Jim Bounds did post that they are no longer being made. there was not enough demand for his vender to continue. So you would have to find a coach that had them installed, or maybe someone bought a set and never installed them.
for air, I like my wind wings, they push in a ton of air. However the wind wings are are loud, and when it is 90+ degrees out they are loud and hot. I am getting my A/C sorted out, so I can hear the stereo.
the wind wings just take the right position, and the slider in the right side and they blow air in like a leaf blower..
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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Re: Jim Bounds Sliding driver windows [message #354292 is a reply to message #354278] |
Thu, 30 April 2020 12:33 |
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Richard RV
Messages: 631 Registered: July 2012 Location: Full-timer for 12 years, ...
Karma: -17
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Senior Member |
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Grant,
I have no personal experience with the new Airstream style cockpit windows, but I do like the idea of a full height operable slider. It really bugs me to have to lean down to talk through that little toll window. But I'm not sure that the taller slider would equate to greatly improved airflow. When my OEM toll window is fully open it sucks out more air than it let's in. That's because of the Venturi effect of the airflow wrapping around our big glorious curved windshields. I would think that the new taller windows wouldn't appreciably change the amount of air coming in. I hope someone with the new windows will chime in and either confirm or debunk my suspicions.
If you aren't happy with the wind wing airflow, it's possibly because of how you're adjusting the wind wings and sliding window. Do you have the trailing edge of the wind wing close to the outside of the glass and the glass slid up to that trailing edge? I keep the wind wing about 3/8" away from the glass to let bugs scoot by and stay outside (this change occurred after discovering a 2" hornet on my shorts). The leading edge of the slider shouldn't be further back than the trailing edge of the wind wing, and I slide the slider further forward from there to direct the airflow where I want it.
I wouldn't have a GMC without wind wings, and the lack of wind wings and screens for the Airstream style windows is a deal breaker for me.
JimK at Applied sells two types.
https://www.gmcrvparts.com/searchresults.asp?Search=Wind+wings
Ragusa manufactures and sells the wind wings as their part number RV-24
http://www.ragusarv.com/
Richard
'77 Birchaven TZE...777;
'76 Palm Beach under construction;
‘76 Edgemont waiting its turn
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354294 is a reply to message #354292] |
Thu, 30 April 2020 12:49 |
jimk
Messages: 6734 Registered: July 2006 Location: Belmont, CA
Karma: 9
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Senior Member |
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We partners with Jim Bounds on the windows .
Do you ever go to our web site?
Might learn something there.
Yes , it is a Smart Ass comment.
On Thu, Apr 30, 2020 at 10:34 AM Richard via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Grant,
>
> I have no personal experience with the new Airstream style cockpit
> windows, but I do like the idea of a full height operable slider. It
> really bugs
> me to have to lean down to talk through that little toll window. But I'm
> not sure that the taller slider would equate to greatly improved airflow.
> When my OEM toll window is fully open it sucks out more air than it let's
> in. That's because of the Venturi effect of the airflow wrapping around our
> big glorious curved windshields. I would think that the new taller
> windows wouldn't appreciably change the amount of air coming in. I hope
> someone
> with the new windows will chime in and either confirm or debunk my
> suspicions.
>
> If you aren't happy with the wind wing airflow, it's possibly because of
> how you're adjusting the wind wings and sliding window. Do you have the
> trailing edge of the wind wing close to the outside of the glass and the
> glass slid up to that trailing edge? I keep the wind wing about 3/8" away
> from the glass to let bugs scoot by and stay outside (this change occurred
> after discovering a 2" hornet on my shorts). The leading edge of the
> slider shouldn't be further back than the trailing edge of the wind wing,
> and I slide the slider further forward from there to direct the airflow
> where I want it.
>
> I wouldn't have a GMC without wind wings, and the lack of wind wings and
> screens for the Airstream style windows is a deal breaker for me.
>
> JimK at Applied sells two types.
> https://www.gmcrvparts.com/searchresults.asp?Search=Wind+wings
>
> Ragusa manufactures and sells the wind wings as their part number RV-24
> http://www.ragusarv.com/
>
> Richard
>
> --
> '77 Birchaven TZE...777;
> '76 Palm Beach with 18,477 verified miles;
> ‘76 Edgemonte
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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Re: Jim Bounds Sliding driver windows [message #354301 is a reply to message #354278] |
Thu, 30 April 2020 14:31 |
6cuda6
Messages: 975 Registered: June 2019
Karma: -6
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Senior Member |
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I think the demise of the windows was simply cost.....they weren't cheap (no surprise as im sure they cost mucho $$ to make).
Patience will be key to find a set in the wild...sooner or later something will show up....how much they will cost, well it wont matter if you truly want them...lol.
Rich Mondor,
Brockville, ON
77 Hughes 2600
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354303 is a reply to message #354298] |
Thu, 30 April 2020 15:58 |
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Grant, you're surrounded with like minded GMCers near Temecula. They know
their stuff, too.
The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
family.
bdub
www.bdub.net
On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Jim,
> I purchased my wind wings from you years ago and they haven't worked. I
> have checked your site and the tall replacement upgrade is no longer
> available. So seems I am stuck with GM's stupid means of passenger and
> driver window openings.
>
> Like a few things that are no longer available ( flush window upgrade) i
> should have bough them when they were available. GM or someone needs to
> manufacture this coach again, that would make total sense. Its not like
> the current box v10 options today are any better. our coaches are still
> years
> ahead.
>
> --
> 1974 GMC Sequoia 26'
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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bdub
bdub.net
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354304 is a reply to message #354303] |
Thu, 30 April 2020 16:13 |
James Hupy
Messages: 6806 Registered: May 2010
Karma: -62
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Senior Member |
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The thing is about the wing windows, that no air can come in, if it has no
place to go after it gets there. I have a vent fan that is always open, (it
is covered and exhausts to the rear) When it is warm enough to use the wind
wings, I open that vent in the rear of the coach and the hot air is
exhausted out of it. Makes a big difference in air flow.
You might try opening windows in the back of the coach a bit, and see if
you like that better.
Jim Hupy
Salem, Oregon
On Thu, Apr 30, 2020, 1:57 PM Billy Massey via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Grant, you're surrounded with like minded GMCers near Temecula. They know
> their stuff, too.
> The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
> family.
>
> bdub
> www.bdub.net
>
>
> On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Jim,
>> I purchased my wind wings from you years ago and they haven't worked. I
>> have checked your site and the tall replacement upgrade is no longer
>> available. So seems I am stuck with GM's stupid means of passenger and
>> driver window openings.
>>
>> Like a few things that are no longer available ( flush window upgrade) i
>> should have bough them when they were available. GM or someone needs to
>> manufacture this coach again, that would make total sense. Its not like
>> the current box v10 options today are any better. our coaches are still
>> years
>> ahead.
>>
>> --
>> 1974 GMC Sequoia 26'
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354306 is a reply to message #354303] |
Thu, 30 April 2020 17:43 |
Len Novak
Messages: 676 Registered: February 2004 Location: Las Vegas, NV
Karma: -3
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Senior Member |
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There are a few of us......................LOL!
Len and Pat Novak
1978 GMC Kingsley
The Beast II with dash lights that work and labels you can see!
Fallbrook, CA new email: B52Rule@Roadrunner.Com
http://www.gmcmhphotos.com/photos/showgallery.php?cat=4375
www.bdub.net/novak/
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Billy
Massey via Gmclist
Sent: Thursday, April 30, 2020 1:58 PM
To: GMCnet
Cc: Billy Massey
Subject: Re: [GMCnet] Jim Bounds Sliding driver windows
Grant, you're surrounded with like minded GMCers near Temecula. They know
their stuff, too.
The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
family.
bdub
www.bdub.net
On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Jim,
> I purchased my wind wings from you years ago and they haven't worked. I
> have checked your site and the tall replacement upgrade is no longer
> available. So seems I am stuck with GM's stupid means of passenger and
> driver window openings.
>
> Like a few things that are no longer available ( flush window upgrade) i
> should have bough them when they were available. GM or someone needs to
> manufacture this coach again, that would make total sense. Its not like
> the current box v10 options today are any better. our coaches are still
> years
> ahead.
>
> --
> 1974 GMC Sequoia 26'
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
_______________________________________________
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Unsubscribe or Change List Options:
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Len and Pat Novak
1978 GMC Kingsley
The Beast II with dash lights that work and labels you can see!
Las Vegas, NV new email: B52sRule@Gmail.com
http://www.gmcmhphotos.com/photos/showgallery.php?cat=4375
www.bdub.net/novak/
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354318 is a reply to message #354306] |
Thu, 30 April 2020 23:56 |
jimk
Messages: 6734 Registered: July 2006 Location: Belmont, CA
Karma: 9
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Senior Member |
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Grant, you did the install wrong or not understanding how it works.
Most will call me and tell me so I can help you. You make it sound like we
sell substandard products.
Please call so we can resolve this issue. We sell more than any GMC Shops
and know our parts.
On Thu, Apr 30, 2020 at 3:44 PM Len Novak via Gmclist <
gmclist@list.gmcnet.org> wrote:
> There are a few of us......................LOL!
>
> Len and Pat Novak
> 1978 GMC Kingsley
> The Beast II with dash lights that work and labels you can see!
> Fallbrook, CA new email: B52Rule@Roadrunner.Com
> http://www.gmcmhphotos.com/photos/showgallery.php?cat=4375
>
> www.bdub.net/novak/
>
>
>
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Billy
> Massey via Gmclist
> Sent: Thursday, April 30, 2020 1:58 PM
> To: GMCnet
> Cc: Billy Massey
> Subject: Re: [GMCnet] Jim Bounds Sliding driver windows
>
> Grant, you're surrounded with like minded GMCers near Temecula. They know
> their stuff, too.
> The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
> family.
>
> bdub
> www.bdub.net
>
>
> On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Jim,
>> I purchased my wind wings from you years ago and they haven't worked. I
>> have checked your site and the tall replacement upgrade is no longer
>> available. So seems I am stuck with GM's stupid means of passenger and
>> driver window openings.
>>
>> Like a few things that are no longer available ( flush window upgrade) i
>> should have bough them when they were available. GM or someone needs to
>> manufacture this coach again, that would make total sense. Its not like
>> the current box v10 options today are any better. our coaches are still
>> years
>> ahead.
>>
>> --
>> 1974 GMC Sequoia 26'
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> --
> This email has been checked for viruses by AVG.
> https://www.avg.com
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354325 is a reply to message #354318] |
Fri, 01 May 2020 10:35 |
Nelson
Messages: 120 Registered: August 2014
Karma: 0
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Senior Member |
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Speaking of ‘’ Not understanding how it works ‘’ my belief is that these wind deflectors were designed to enhance the exhaust of the air out of the window not fight lt by bringing it and the bugs in. Just open a window in the rear of the coach and you will have a reverse flow out of the cockpit windows. Also BTW be sure and have water in all your drain traps or you will have unpleasant aroma as these vent wings really do suck.
Nelson Wright
78 Royale rear bath
Belle Isle Fl
Sent from my iPad
> On May 1, 2020, at 12:57 AM, Jim Kanomata via Gmclist wrote:
>
> Grant, you did the install wrong or not understanding how it works.
> Most will call me and tell me so I can help you. You make it sound like we
> sell substandard products.
> Please call so we can resolve this issue. We sell more than any GMC Shops
> and know our parts.
>
>> On Thu, Apr 30, 2020 at 3:44 PM Len Novak via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>> There are a few of us......................LOL!
>>
>> Len and Pat Novak
>> 1978 GMC Kingsley
>> The Beast II with dash lights that work and labels you can see!
>> Fallbrook, CA new email: B52Rule@Roadrunner.Com
>> http://www.gmcmhphotos.com/photos/showgallery.php?cat=4375
>>
>> www.bdub.net/novak/
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Billy
>> Massey via Gmclist
>> Sent: Thursday, April 30, 2020 1:58 PM
>> To: GMCnet
>> Cc: Billy Massey
>> Subject: Re: [GMCnet] Jim Bounds Sliding driver windows
>>
>> Grant, you're surrounded with like minded GMCers near Temecula. They know
>> their stuff, too.
>> The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
>> family.
>>
>> bdub
>> www.bdub.net
>>
>>
>> On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> Jim,
>>> I purchased my wind wings from you years ago and they haven't worked. I
>>> have checked your site and the tall replacement upgrade is no longer
>>> available. So seems I am stuck with GM's stupid means of passenger and
>>> driver window openings.
>>>
>>> Like a few things that are no longer available ( flush window upgrade) i
>>> should have bough them when they were available. GM or someone needs to
>>> manufacture this coach again, that would make total sense. Its not like
>>> the current box v10 options today are any better. our coaches are still
>>> years
>>> ahead.
>>>
>>> --
>>> 1974 GMC Sequoia 26'
>>>
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> --
>> This email has been checked for viruses by AVG.
>> https://www.avg.com
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354327 is a reply to message #354325] |
Fri, 01 May 2020 11:05 |
Justin Brady
Messages: 769 Registered: April 2015 Location: Bell Buckle, TN
Karma: 11
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Senior Member |
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The full height sliders look nice and are nice for talking to someone, but they don't flow air any better than the little ones.
80mph down the road with them open and nothing is coming in, it's just a function of the shape of the front end of the coach.
The wind wings are the only way to get decent airflow.
Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354341 is a reply to message #354325] |
Fri, 01 May 2020 14:59 |
6cuda6
Messages: 975 Registered: June 2019
Karma: -6
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Senior Member |
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Interesting concept of operation...i do beleive the gent that designed them may have thought the opposite as he had designed screens for the cockpit windows but hey....if it works, it works....lol.
Nelson wrote on Fri, 01 May 2020 11:35Speaking of ‘’ Not understanding how it works ‘’ my belief is that these wind deflectors were designed to enhance the exhaust of the air out of the window not fight lt by bringing it and the bugs in. Just open a window in the rear of the coach and you will have a reverse flow out of the cockpit windows. Also BTW be sure and have water in all your drain traps or you will have unpleasant aroma as these vent wings really do suck.
Nelson Wright
78 Royale rear bath
Belle Isle Fl
Sent from my iPad
> On May 1, 2020, at 12:57 AM, Jim Kanomata via Gmclist wrote:
>
> Grant, you did the install wrong or not understanding how it works.
> Most will call me and tell me so I can help you. You make it sound like we
> sell substandard products.
> Please call so we can resolve this issue. We sell more than any GMC Shops
> and know our parts.
>
>> On Thu, Apr 30, 2020 at 3:44 PM Len Novak via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>> There are a few of us......................LOL!
>>
>> Len and Pat Novak
>> 1978 GMC Kingsley
>> The Beast II with dash lights that work and labels you can see!
>> Fallbrook, CA new email: B52Rule@Roadrunner.Com
>> http://www.gmcmhphotos.com/photos/showgallery.php?cat=4375
>>
>> www.bdub.net/novak/
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Billy
>> Massey via Gmclist
>> Sent: Thursday, April 30, 2020 1:58 PM
>> To: GMCnet
>> Cc: Billy Massey
>> Subject: Re: [GMCnet] Jim Bounds Sliding driver windows
>>
>> Grant, you're surrounded with like minded GMCers near Temecula. They know
>> their stuff, too.
>> The GMC Pacific Cruisers would welcome you with open arms. Welcome to the
>> family.
>>
>> bdub
>> www.bdub.net
>>
>>
>> On Thu, Apr 30, 2020, 1:33 PM Grant Schaffer via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> Jim,
>>> I purchased my wind wings from you years ago and they haven't worked. I
>>> have checked your site and the tall replacement upgrade is no longer
>>> available. So seems I am stuck with GM's stupid means of passenger and
>>> driver window openings.
>>>
>>> Like a few things that are no longer available ( flush window upgrade) i
>>> should have bough them when they were available. GM or someone needs to
>>> manufacture this coach again, that would make total sense. Its not like
>>> the current box v10 options today are any better. our coaches are still
>>> years
>>> ahead.
>>>
>>> --
>>> 1974 GMC Sequoia 26'
>>>
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> --
>> This email has been checked for viruses by AVG.
>> https://www.avg.com
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
GMCnet mailing list
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http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Rich Mondor,
Brockville, ON
77 Hughes 2600
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Re: Jim Bounds Sliding driver windows [message #354343 is a reply to message #354278] |
Fri, 01 May 2020 16:31 |
jhbridges
Messages: 8412 Registered: May 2011 Location: Braselton ga
Karma: -74
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Senior Member |
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Justin, the CD of the coach is reported at .31 which at the time was beat only by the Corvette. When the airflow is that slick around it, you're going to have to ruffle it up a bit to get it to go sideways.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354344 is a reply to message #354343] |
Fri, 01 May 2020 17:36 |
jimk
Messages: 6734 Registered: July 2006 Location: Belmont, CA
Karma: 9
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Senior Member |
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Frontal area is what the big difference is.
The main reason that the CD is similar to the Corvett is the proportion of
length to cord.
In earning my degree in Aero Space Engineering we were not taugh these
basic things as they felt it was too basic. I learned racing a Soap Box
Cars with my sons.
Wonder why engineers are not respected by technicians?
On Fri, May 1, 2020 at 2:32 PM Johnny Bridges via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Justin, the CD of the coach is reported at .31 which at the time was beat
> only by the Corvette. When the airflow is that slick around it, you're
> going to have to ruffle it up a bit to get it to go sideways.
>
> --johnny
> --
> Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> I forgive them all, save those who hurt the dogs. They must answer to me
> in hell
>
>
> _______________________________________________
> GMCnet mailing list
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>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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Re: Jim Bounds Sliding driver windows [message #354346 is a reply to message #354343] |
Fri, 01 May 2020 18:25 |
Hal StClair
Messages: 971 Registered: March 2013 Location: Rio Rancho NM
Karma: -12
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Senior Member |
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Actually Johnny, the GMC was better than the Corvette (not really better of course )but had a lower CD.
Hal
"I enjoy talking to you. Your mind appeals to me. It resembles my own mind, except you happen to be insane."
1977 Royale 101348,
1977 Royale 101586, Diesel powered,
1974 Eagle Bus 45',w/slideout,
Rio Rancho, NM
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354347 is a reply to message #354346] |
Fri, 01 May 2020 18:40 |
James Hupy
Messages: 6806 Registered: May 2010
Karma: -62
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Senior Member |
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Coefficient of Drag per cm squared. The frontal area of a Corvette is a
whole bunch (scientific terminology, vbg.) smaller than a GMC. The drag is
less, but the area is huge. So, gross drag is huge also.
Jim Hupy
Salem, Oregon
On Fri, May 1, 2020, 4:26 PM Hal StClair via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Actually Johnny, the GMC was better than the Corvette (not really better
> of course :lol: )but had a lower CD.
> Hal
> --
> 1977 Royale 101348,
>
> 1977 Royale 101586, Diesel powered,
>
> 1975 Eleganza II, 101230,
>
> 1974 Eagle Bus 45',w/slideout,
>
> Rio Rancho, NM
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354348 is a reply to message #354347] |
Fri, 01 May 2020 19:42 |
6cuda6
Messages: 975 Registered: June 2019
Karma: -6
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Senior Member |
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Is total shape not calculated into CD and not just frontal area? I'm thinking from the motorcycle world were we try to blend race suit back design into tail/seat fairing design etc.....
James Hupy wrote on Fri, 01 May 2020 19:40Coefficient of Drag per cm squared. The frontal area of a Corvette is a
whole bunch (scientific terminology, vbg.) smaller than a GMC. The drag is
less, but the area is huge. So, gross drag is huge also.
Jim Hupy
Salem, Oregon
On Fri, May 1, 2020, 4:26 PM Hal StClair via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Actually Johnny, the GMC was better than the Corvette (not really better
> of course )but had a lower CD.
> Hal
> --
> 1977 Royale 101348,
>
> 1977 Royale 101586, Diesel powered,
>
> 1975 Eleganza II, 101230,
>
> 1974 Eagle Bus 45',w/slideout,
>
> Rio Rancho, NM
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Rich Mondor,
Brockville, ON
77 Hughes 2600
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Re: [GMCnet] Jim Bounds Sliding driver windows [message #354350 is a reply to message #354348] |
Fri, 01 May 2020 22:57 |
James Hupy
Messages: 6806 Registered: May 2010
Karma: -62
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Senior Member |
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Don't know much about streamlining, except that the F-86 Saberjet, on the
early versions, experienced severe buffeting when it approached the speed
of sound. They did extensive wind tunnel work on the wings and tail
feathers, and found nothing. Then, they tested the fuselage, and discovered
that the laminar flow over the fuselage worked fine at sub-sonic speed,
but, close to the speed of sound, became very unstable and tried to fly
sideways both directions at the same time.
The fix came from an engineer that was looking at a coke bottle, and
got the idea that if he pinched in the sides of the fuselage, like Marilyn
Monroe's waist, that the air would change speed until the transition to
supersonic speed was complete. They tried several shapes fore and aft, and
it worked. Shapes are funny things. Today, they have all that empirical
data plugged into computers. They design aircraft now, not people.
There are still "seat of the pants" car builders. A lot of them gather
in the Utah Salt Flats a couple of weeks out of the year to try their ideas
out. Some result in world records, some learn how to make automobiles fly
like a wing. That's how it goes.
Jim Hupy
Salem, Oregon
On Fri, May 1, 2020, 5:43 PM 6cuda6--- via Gmclist
wrote:
> Is total shape not calculated into CD and not just frontal area? I'm
> thinking from the motorcycle world were we try to blend race suit back
> design
> into tail/seat fairing design etc.....
>
> James Hupy wrote on Fri, 01 May 2020 19:40
>> Coefficient of Drag per cm squared. The frontal area of a Corvette is a
>> whole bunch (scientific terminology, vbg.) smaller than a GMC. The drag
> is
>> less, but the area is huge. So, gross drag is huge also.
>> Jim Hupy
>> Salem, Oregon
>>
>> On Fri, May 1, 2020, 4:26 PM Hal StClair via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> Actually Johnny, the GMC was better than the Corvette (not really
> better
>>> of course :lol: )but had a lower CD.
>>> Hal
>>> --
>>> 1977 Royale 101348,
>>>
>>> 1977 Royale 101586, Diesel powered,
>>>
>>> 1975 Eleganza II, 101230,
>>>
>>> 1974 Eagle Bus 45',w/slideout,
>>>
>>> Rio Rancho, NM
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
>
> --
> Rich Mondor,
>
> Brockville, ON
>
> 77 Hughes 2600
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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