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| Re: Skylight in dry bath? [message #284657 is a reply to message #284653] |
Wed, 12 August 2015 08:54   |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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No reason you can't except the placement of the roof ribs. If you can get between the spars, it shouldn't be any more difficult than putting in a Fantastic Fan. I wouldn't want to cut a rib unless I could do some aluminum framing to reinforce the structure...just like cutting a rafter.
The PROBLEM however is probably going to be finding a skylight with the correct curve to match our roof arch. Most all new coaches have flat roofs.
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
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| Re: Skylight in dry bath? [message #284667 is a reply to message #284653] |
Wed, 12 August 2015 09:29 |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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I have been considering doing the same thing in the bath. Being almost 6'8", I could use the headroom.
I scored an old custom van window aprox 16" x 8" at a swap meet.
Seeing the diagram of the ribs it will fit.
I may go with a fantastic vent instead.
At any rate, Im pretty sure you can find a suitable window or possibly a small sunroof that you can use
76 Glenbrook
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| Re: Skylight in dry bath? [message #284684 is a reply to message #284679] |
Wed, 12 August 2015 11:49 |
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thesmith
Messages: 589
Registered: February 2015
Location: Cary, NC
Karma: 6
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Or for a pure one off, one could make a male foam model of roof and "power bulge" with a flat area suitable for standard vent like the fantastic fan and then add a few layers of GRP.
when that is set remove the GRP from the foam (likely destroying foam model in the process) and bondo and paint to suit, install with appropriate sealant and stainless screws, then install vent..........voila, headroom and light.
Pete
Cary, NC
1978 Center Kitchen Royale.
[Updated on: Wed, 12 August 2015 11:49] Report message to a moderator |
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| Re: Skylight in dry bath? [message #284687 is a reply to message #284679] |
Wed, 12 August 2015 12:12 |
mercdave
Messages: 45
Registered: May 2014
Karma: 2
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I got a guy....
Western Washington was a mecca for boat manufacturing, Bayliner started here. The company that made many of the OEM polycarbonate windshields was Middy Plastics. The company is now gone but the last employee still has access to the building and all of the equipment and fires up the oven for a few replacements windshields a month. If you provide the mold, he can create it.
I'm going to meet up with him this weekend to do some outdrive work so I'll ask about a custom skylight.
Dave L
Lynnwood, Wa.
1976 GMC 26' Edgemonte Rear Twin
1973 GMC 23' Rear-Ended, Totaled
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| Re: [GMCnet] Skylight in dry bath? [message #284765 is a reply to message #284751] |
Thu, 13 August 2015 08:38 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Now that I cogitate on this a bit one could:
1) cut off the top of the shower completely.
2) remove all the spray on insulation on the inside of the roof.
3) cut a hole in the roof the same dimension as the top of the shower but not cut any frames (hoops that go around the body) cutting
a stringer (longitudinal fore / aft pieces could be OK to cut).
4) cover the hole in the roof with the thickest piece of Lexan that would flex enough to conform to the roof curve.
5) fasten the Lexan to the roof skin with stainless steel screws with the heads on the inside and acorn nuts on the outside
6) seal the Lexan to the roof to with a high quality polyurethane sealant and LOTS of screws
7) extend the walls of the shower up to the skylight
8) spray the walls of the shower with two pack epoxy paint
9) relocate the shower light to the side wall above the wheel well
Or just duck down a bit when you shower if you're 6" 1 1/2" like me! ;-)
Actually the added light in the shower would be nice. John Sharpe has a Winnebago Spectrum that has a skylight above the shower.
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Pete Smith
Hah, good info, so in theory you could even add headroom bulge on the inside of the coach.......have we as a species really grown
that much taller in 45 years........or is it something about tall people that attracts them to GMCs? funny that they would have
wasted that much height in what must always have been a small shower.
Pete
USAussie wrote on Wed, 12 August 2015 19:41
> G'day,
>
> I've removed dry showers from two Avions' and there is a space between the side of the dry shower and the aluminum frame. IIRC it
is
> about an inch or so. If you remove the light from the center of the shower there is a good two inches from the fiberglass to the
> spray insulation.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
>
> -----Original Message-----
> From: Pete Smith
>
> yeah Profile might be the biggest problem....the dry showers are tight against the side of the coach and have the severest curve
in
> the roof above them.....
>
> I wonder how much a custom vacuum formed UV resistant smoke tint Polycarbonate part would be if I provided the fully prepared
mould
> and did all the trimming required....... raw sheet cost would be less than $100....for 3/16 thick.
> I would have to make small dummy section of roof, a few inches bigger all around (to give generous flange) and then add skylight
> profile on top of that.
>
> Pete
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
--
Cary, NC
No Coach yet but decided it will be wet bath with Sully or 4 bag system.
perhaps a 1978 Kingsley....
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: Skylight in dry bath? [message #284769 is a reply to message #284653] |
Thu, 13 August 2015 09:22 |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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Lexan is a thermoplastic- should be able to conform to whatever shape of roof or dome you want with some backyard engineering
I havent tried it...but will a studfinder help in verifying where the aluminum ribs are?
76 Glenbrook
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| Re: [GMCnet] Skylight in dry bath? [message #284780 is a reply to message #284779] |
Thu, 13 August 2015 10:39 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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A few studfinders are ultrasonic, responding to differences in density, one
of those MIGHT work.
Ken H.
On Thu, Aug 13, 2015 at 11:31 AM, Robert Mueller
wrote:
> I believe a studfinder is a magnetic device that finds the nails that hold
> the plasterboard to the studs. Since the frames (hoops
> around the body) and stringers (longitudinal pieces between the frames)
> are aluminum I don't think they'll work. However, if you
> have one give it a go and let us know what happens.
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Skylight in dry bath? [message #284783 is a reply to message #284779] |
Thu, 13 August 2015 10:40 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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No, not entirely. I have one that I think would work. It uses echo locating
(sonar) to find stuff behind drywall or other similar wall coverings. If
the aluminum rib has a different density than the ceiling material, it
should locate the ribs. Won't do much for finding the nutserts if they are
aluminum, which most of them are. Best to use the all thread idea that Ken
described. Or use a laser comparator and precisely locate the nutserts
before the panels and cabinets go up. No easy way I guess.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Thu, Aug 13, 2015 at 8:31 AM, Robert Mueller
wrote:
> I believe a studfinder is a magnetic device that finds the nails that hold
> the plasterboard to the studs. Since the frames (hoops
> around the body) and stringers (longitudinal pieces between the frames)
> are aluminum I don't think they'll work. However, if you
> have one give it a go and let us know what happens.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
>
> -----Original Message-----
> From: Chris Tyler
>
> Lexan is a thermoplastic- should be able to conform to whatever shape of
> roof or dome you want with some backyard engineering
>
> I havent tried it...but will a studfinder help in verifying where the
> aluminum ribs are?
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] Skylight in dry bath? [message #284784 is a reply to message #284780] |
Thu, 13 August 2015 10:51 |
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thesmith
Messages: 589
Registered: February 2015
Location: Cary, NC
Karma: 6
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Senior Member |
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maybe take light out and use flex ruler to measure distance to ribs?
Pete
Ken Henderson wrote on Thu, 13 August 2015 11:39A few studfinders are ultrasonic, responding to differences in density, one
of those MIGHT work.
Ken H.
On Thu, Aug 13, 2015 at 11:31 AM, Robert Mueller
wrote:
> I believe a studfinder is a magnetic device that finds the nails that hold
> the plasterboard to the studs. Since the frames (hoops
> around the body) and stringers (longitudinal pieces between the frames)
> are aluminum I don't think they'll work. However, if you
> have one give it a go and let us know what happens.
>
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Cary, NC
1978 Center Kitchen Royale.
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| Re: [GMCnet] Skylight in dry bath? [message #284822 is a reply to message #284782] |
Thu, 13 August 2015 19:51 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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I agree 3/16 probably would be the max thickness.
I just remembered these:
https://www.youtube.com/watch?v=MVU-jYmsdCg
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Pete Smith
Polycarbonate is pretty stiff.....I think 3/16 is about as thick as you could go using off the shelf flat sheet.
Thicker can be heated and allowed to "slump" over a shape but has to be dryed in an oven form quite a long time or you get steam
bubble foaming.
Best way would be to put your oven up on the roof, heat previously dried flat sheet then whip it out and lay it it over the part of
the roof you want the sunroof in....
Sounds like Fun! 8)
Pete
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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