Home » Public Forums » GMCnet » [GMCnet] Something I always wanted time to design
| [GMCnet] Something I always wanted time to design [message #268118] |
Tue, 23 December 2014 20:16  |
glwgmc
Messages: 1014
Registered: June 2004
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Keep in mind that Martin Perlot (son of SMC founder Mat Perlot) has been at this game for more than 15 years so the current products have been through many revisions. I knew Martin when we owned a Beaver Patriot rolling condo that we full timed in for four years late 90s to early 2000s. His dad then owned Safari Motor Coach and purchased Beaver from Kurt Lawler to form SMC Corp. Martin left in 1999 or 2000 IIRC to form Silverleaf Electronics and has done very well given his OEM contacts in the industry. You will often still see him working the Silverleaf booth at an FMCA national rally. Nice guy and very well developed products. Would not likely be feasible to do for our coaches as we lack the myriad of sensors and ODBII port already built into modern diesel motorhome chassis.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
Visitors always welcome!
glwork@mac.com
http://jerrywork.com
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Message: 5
Date: Mon, 22 Dec 2014 21:27:47 -0700
From: Chris Choffat
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Something I always wanted time to design
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http://www.silverleafelectronics.com/
--
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT W/ 390W PV, MPPT Controller, Honda EV4010 and custom cargo door.
Photosite: Chrisc "It has Begun"
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Something I always wanted time to design [message #268136 is a reply to message #268118] |
Wed, 24 December 2014 02:01  |
Hal StClair
Messages: 971
Registered: March 2013
Location: Rio Rancho NM
Karma: -12
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I spoke with the gentleman this past summer at the FMCA rally about a unit for an OBII system for my 6.5 swap. He just laughed and stated he had no interest in developing something like that. I'm old school anyway and prefer analog style gauges, but the digital certainly give precise readouts.
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] Something I always wanted time to design [message #268138 is a reply to message #268136] |
Wed, 24 December 2014 05:16 |
Jim at the Co-op
Messages: 291
Registered: May 2014
Location: Orlando Florida
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"OBD" was developed to spearhead the new concept of drive train
diagnostics. OUr coach and thus our diagnostic tree has no room for an on
board computer to tell you things. Our stuff was engineered for the tech
to listen, yank on, tighten screws and basically use their own wits and
assembled knowledge to diagnose, maintain and repair our machines. It is a
totally different way to work on a motor. Tech training today does not
include the knowledge needed to diagnose carbs., tuning or any of that and
I don't see any reason to try and integrate the 2 concepts. OBD was
progress, there are now longer maintenance cycles and motors are more
efficient so the progress was a good thing but it takes a totally different
approach to what our machines were designed for.
Get a descent set of tools, read the manual and if you can understand what
is going on you should be able to find most issues and make repairs. We
have lived through a revolution in engineering design and execution. Our
technology has brought us to the point that the old ways do not mix with
the new. This is exactly why when Manny said the new 6.5 turbo diesel
motor used no electronics I just about fell out of his van when I told him
I'm on board! Finally a way to integrate some new technology in the old
way --- awesome idea.
Up to now, we have been trying to bring the GMC motorhome design up to this
new engineering concept. Bringing the technology back to interface with
our design is brilliant and to me the only way it will work. Forget trying
to cobble up an old dog to new ideas, lets take the new ideas and adapt
them back in time to our stuff.
Anyway, I'm looking for big picture ideas to help us with our classic
coaches. Manny's 6.5 turbo diesel is just such an idea. Leave the on
board computer system in the new cars, simplify the new stuff for our use,
oh and don't blow off you dwell meter, vacuum gauge, stethoscope, pressure
gauges, tool set and your basic engine knowledge.
Jim Bounds
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On Wed, Dec 24, 2014 at 3:01 AM, Hal StClair
wrote:
>
> I spoke with the gentleman this past summer at the FMCA rally about a
> unit for an OBII system for my 6.5 swap. He just laughed and stated he had
> no
> interest in developing something like that. I'm old school anyway and
> prefer analog style gauges, but the digital certainly give precise readouts.
> Hal
> --
> 1977 Royale 101348,
>
> 1977 Royale 101586,
>
> 1974 Eagle Bus 45',w/slideout
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Something I always wanted time to design [message #268167 is a reply to message #268138] |
Wed, 24 December 2014 13:31 |
Hal StClair
Messages: 971
Registered: March 2013
Location: Rio Rancho NM
Karma: -12
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Going mechanical sounds like it simplifies things but in reality makes diagnosis more difficult. With an electronic's run engine things like cruise control and throttle are a snap to install, work great and only take a few wires to make work. The engine will protect itself by powering down or shutting off if certain parameters are exceeded. Power improvements, if desired are only a "chip" away and fuel mileage and drivability are better than an all mechanical system. If keeping the environment clean has any sway with ones thinking, the mechanical's don't hold a candle to electronic control. It's similar to the carb vs electronic fuel injection debate. The carb will get the job done but fuel injection, done right, offers much better performance. And this is a factory designed system that does work, without a doubt. If you do have a problem the electronics will pretty much tell you exactly where the issue lies.
These machines are 'old tech' but adding a modern drive train doesn't detract anything from them, IMHO.
The reason Manny is doing the mechanical engine isn't because it's better, it's because it's simple. Many people are afraid of the unknown and electronics are an unknown to them.
Personally, I'll give the new, modern power train a chance. If it's an issue, mechanical is still a simple change.
Just my way of thinking.
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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