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  #1  
Old 01-02-2022, 07:20 PM
Redbud40 Redbud40 is offline
 
Join Date: Mar 2013
Location: Tx
Posts: 135
Default Show us a picture of your Home made pre Heater

Finally winter in Texas. Anyone care to show off their pre heat units they made. I tried using a cheap floor heater with some tubing to stick in inlets and exhaust area but it doesn’t quite work like I thought. Looking for ideas.
Thanks.
Red
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RV-6a N731CK
66TE
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  #2  
Old 01-02-2022, 07:42 PM
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MiserBird MiserBird is offline
 
Join Date: Mar 2018
Location: Cornelia, GA
Posts: 80
Default Scrounged stuff...

Easy to use, timer turns it on a few hours before start.
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KAJR - Cornelia, GA

1975 Cardinal RG N1593H since Mar 1993
1980 RV-3 N3VR Bought flying Sept 2017

Dues current 2022
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  #3  
Old 01-03-2022, 06:31 AM
bobnoffs bobnoffs is offline
 
Join Date: Jul 2012
Location: n. wi
Posts: 926
Default

put your heat in low, let it rise up and out.
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Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
RV-12 airworthiness cert. 11/30/2021
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  #4  
Old 01-03-2022, 07:22 AM
BH1166 BH1166 is online now
 
Join Date: Nov 2017
Location: Eatonton Georgia
Posts: 690
Default Cowl Plugs in

Timer setup night before or get to hangar before flight and turn on. I live in GA, plane in insulated hangar, never 40 degrees or below in hangar. Shove end of flex pipe over Left exhaust pipe.
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RV6A Purchased N72TX
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  #5  
Old 01-03-2022, 07:48 AM
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MacCool MacCool is offline
 
Join Date: Aug 2020
Location: central Minnesota
Posts: 969
Default

Quote:
Originally Posted by BH1166 View Post
Timer setup night before or get to hangar before flight and turn on. I live in GA, plane in insulated hangar, never 40 degrees or below in hangar. Shove end of flex pipe over Left exhaust pipe.
I've seen all varieties of that kind of milkhouse-heater modification, and I'm sure its value as an engine preheater will substantially depend on where and how the plane is hangared. In this climate, it seems to be more applicable to cockpit heating and that's what I use mine for. It was -30F over the weekend here, so adequate pre-heating of the engine means 8+ hours means a substantially more robust effort with an all-out Rieff preheater.
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IO-320D1A (factory new), C/S
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bunch of other stuff
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  #6  
Old 01-03-2022, 09:11 AM
wawrzynskivp wawrzynskivp is offline
 
Join Date: Feb 2018
Location: Incline Village Nv
Posts: 308
Default Pic not practical

https://www.aircraftspruce.com/catal...umpheaters.php

Attach to a solenoid driven by a cheap cell phone switch. H2O wireless will sell you a sim card and service for $3.00/mo. Call it up to switch on or off however long you need before your preflight.

For me it's four hours prior at 15F

Advantage of the adhered heaters over a hangar-based heater is the portability.

Amazon has a switch for $139 (Not my sale, just showing theirs): https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Last edited by wawrzynskivp : 01-03-2022 at 11:50 AM.
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  #7  
Old 01-03-2022, 11:03 AM
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MacCool MacCool is offline
 
Join Date: Aug 2020
Location: central Minnesota
Posts: 969
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Cheapest cell phone switch I could find was Switcheon at $249 for two plugs, and free cell service for one year. Subsequent years cost $4.00 per day ($50/year). No sim, just a nice app using IoT G5 or LTE with actual feed back as to whether or not the switch actually turned on. Great device, has never failed me and I use it a lot. I have the cockpit heater on the other circuit so I can turn on both devices separately or together
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IO-320D1A (factory new), C/S
IFR equipped
AFS 5400/3500, G5, IFD440 navigator,
bunch of other stuff
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  #8  
Old 01-03-2022, 08:18 PM
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TigerMan92 TigerMan92 is offline
 
Join Date: Mar 2019
Location: Howell, MI
Posts: 122
Default Reiff Heating System

Remote on/off switch and a Reiff Heating System is the great solution. I turn it on the night before and it keeps the oil at 90 degrees and cylinder heads at 75 degrees. I have been using Reiff systems for 20 years on all three of my planes. Never had any problems.

http://www.reiffpreheat.com/product....ndard%20System
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RV-7A, XIO-360, MT CS 3Blade, Slider
AG-5B, N521TT, Sold
AA-5B, N28684, Sold
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  #9  
Old 01-04-2022, 08:07 AM
bobnoffs bobnoffs is offline
 
Join Date: Jul 2012
Location: n. wi
Posts: 926
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i don't think i would risk an unattended heater with an electric motor and a heating element that glows red unattended, let alone in a hangar that is already 40 deg.
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Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
RV-12 airworthiness cert. 11/30/2021
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  #10  
Old 01-04-2022, 10:04 AM
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MacCool MacCool is offline
 
Join Date: Aug 2020
Location: central Minnesota
Posts: 969
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Quote:
Originally Posted by bobnoffs View Post
i don't think i would risk an unattended heater with an electric motor and a heating element that glows red unattended, let alone in a hangar that is already 40 deg.
I agree. I just bought one of these heaters for the cockpit and plan to plug it into the other outlet on my Switcheon. It looks like I'll be a lot more comfortable than using the milkhouse heater with a bunch of aluminum foil. I'll turn it on as the same time as the Rieff preheater in hopes that my cockpit will be as toasty as the engine when I come out to do a little Minnesota winter flying.

https://www.aircraftspruce.com/catal...s_08-12224.php
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bunch of other stuff
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