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  #1  
Old 12-13-2020, 02:10 PM
FlyingFox FlyingFox is offline
 
Join Date: Apr 2015
Location: Fort Myers
Posts: 9
Default RV14 Seat Heater Elements

If anyone who has installed seat heater elements, in a 14, has any photos of where/how they ran their wiring from the seats up to the panel, please email or post the photos.
Thanks in advance,
Alvinfox44@gmail.com
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  #2  
Old 12-13-2020, 03:02 PM
DaveO DaveO is offline
 
Join Date: Dec 2012
Location: Greenfield, IN
Posts: 353
Default

Is your 14 flying as of now? I have not seen a post, but was wondering.
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RV-7A N1243A Sold
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  #3  
Old 12-13-2020, 03:55 PM
FlyingFox FlyingFox is offline
 
Join Date: Apr 2015
Location: Fort Myers
Posts: 9
Smile Itís flying!!!

Yes, itís flying!!!
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  #4  
Old 12-13-2020, 04:23 PM
Jetmart Jetmart is offline
 
Join Date: Sep 2019
Location: Windsor, Ontario
Posts: 304
Default

Quote:
Originally Posted by FlyingFox View Post
If anyone who has installed seat heater elements, in a 14, has any photos of where/how they ran their wiring from the seats up to the panel, please email or post the photos.
Thanks in advance,
Alvinfox44@gmail.com
I would also be interested in this info
__________________
Glenn Martin
Windsor, Ontario
1942 Tiger Moth
2017 Waco YMF-5
Kit # 140694
Started October 22, 2019
Engine, prop, and cowling to complete
2021 Dues Paid
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  #5  
Old 12-13-2020, 05:04 PM
kmbusse kmbusse is offline
 
Join Date: Nov 2017
Location: Edmonton, AB
Posts: 61
Default Heated seats

I would as well, we will be wiring those soon.
TIA

Kerry
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  #6  
Old 01-03-2021, 12:30 AM
av84doh av84doh is offline
 
Join Date: Dec 2014
Location: Newbury Park, CA / USA
Posts: 28
Default

Hope these pictures help, they are all I have tonight. The pink string is temporary until I run the wires up through the hole and plug them into the seat elements.


https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
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  #7  
Old 01-03-2021, 04:59 AM
Jetmart Jetmart is offline
 
Join Date: Sep 2019
Location: Windsor, Ontario
Posts: 304
Default

Quote:
Originally Posted by av84doh View Post
Hope these pictures help, they are all I have tonight. The pink string is temporary until I run the wires up through the hole and plug them into the seat elements.


https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
https://vansairforce.net/community/a...1&d=1609654972
Thanks I did a similar install but put the bushing hole for the seat wires to go through on the cover that the hinges are in. I thought to would be easier to plug in with the front cover completely off. Found if you took the pins out of the plug you can feed wires through the existing sized holes in the spar using a bushing.
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Glenn Martin
Windsor, Ontario
1942 Tiger Moth
2017 Waco YMF-5
Kit # 140694
Started October 22, 2019
Engine, prop, and cowling to complete
2021 Dues Paid
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  #8  
Old 01-03-2021, 10:02 AM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,344
Default No -14 but...

I installed heater in my -10. I was appalled at the wiring harness that was included with the heaters. Removing some of the vinyl loom, I found several cold soldered joints that were ready to fall apart.

I ended up fabricating new harnesses from Tefzel wire with proper connections...

Just an FYI...
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Aerospace Engineer '88

RV-10
Phase I as of 12-02-2020

Dues+ Paid 2020,...Thanks DR+
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  #9  
Old 01-03-2021, 11:35 AM
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climberrn climberrn is offline
 
Join Date: Oct 2008
Location: Carson City, NV
Posts: 591
Default

I kept all the seat heater wiring, switches and relays in the flap actuator area and shortened the wiring as much as possible. The seat heat high/low switches are on the forward part of the flap actuator brace and easy to get to. I totally agree with the poor quality of the wiring, so ALL the wiring forward of that is Tefzel, a DPST power switch on the panel with the heaters on separate parts of the switch, and each with their own fuse.

That way I have an easy way to cut power to the system if things get busy, Summer time, or any other issues.
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Joel

N626JA
RV-7A at CXP
Flying!
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  #10  
Old 01-03-2021, 04:34 PM
Canadian_JOY Canadian_JOY is offline
 
Join Date: Aug 2007
Location: Ontario, Canada
Posts: 2,372
Default

If one is installing heated seats there's an idea that's really worth considering. I'm not sure how much it would interfere with the "pre-packaged" solution for the RV14. I know it's something I wish I had thought of before wiring mine.

Traditional seat heater controls use relays to provide two heat settings, high and low. In low setting the seat cushion and seat back elements are tied in series. In the high heat position they are tied in parallel. This works but it's very finite in the level of control it offers.

We have ready access these days to semiconductors which will control power output either through pulse width modulation or through a linear circuit such as this one (not heavy-duty enough for this application but you get the idea)
https://periheliondesign.com/egpavr.htm

If I were doing mine again I would wire the seat heat elements in parallel and control them with a rotary control much like a dimmer control with an on-off switch at the end of the range of rotation. This way one could have a relatively large range of temperature control for the seats.
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