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  #11  
Old 01-06-2018, 10:01 AM
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Toobuilder Toobuilder is offline
 
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Had a single $30 stick on pad from Amazon that would heat my 540 all the way to the rocker covers overnight. There are hundreds of shapes and power levels available - no need to look at any of the "aviation specific" models, IMHO.
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  #12  
Old 01-07-2018, 12:28 AM
rvdave rvdave is offline
 
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Iíve looked at some generic pads but the ones Iíve seen donít have thermostats which I would want to be sure they have. I would be interested in seeing others that are thermostatically controlled though.
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  #13  
Old 01-07-2018, 05:49 AM
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BCP Boys BCP Boys is offline
 
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I have the far left one in that picture. I don't go to the detail that Vic does (although i just learned a trick or two) but I have it plugged in to one of those GSM switches. I use the app to turn on the plug when I wake up about an hour or so before getting to the hanger. It's in the 20's here now and by the time I get to the hanger the oil temp will be between 50 to 60 without any inlet covers or blankets. This is obviously not as nice as 75 but it way better than 30 . I guess it's been so cold here I better cover the cowl and the inlets before the next flight.
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  #14  
Old 01-07-2018, 06:06 AM
rvdave rvdave is offline
 
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Quote:
Originally Posted by BCP Boys View Post
but I have it plugged in to one of those GSM switches

Which type of remote switch are you referring to?
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  #15  
Old 01-07-2018, 06:19 AM
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Quote:
Originally Posted by rvdave View Post
Iíve looked at some generic pads but the ones Iíve seen donít have thermostats which I would want to be sure they have. I would be interested in seeing others that are thermostatically controlled though.
Why the need for a thermostat?
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WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.

Michael Robinson
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RV-8 - Flying
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  #16  
Old 01-07-2018, 06:23 AM
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I have this one. You need internet coverage to work, but mine works great.

https://www.amazon.com/WeMo-F7C027fc...ds=wemo+switch
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  #17  
Old 01-07-2018, 06:28 AM
rv8ch rv8ch is offline
 
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Default heater in the oil

Anyone looked at these that have a heater directly in the oil?

https://www.ebay.com/itm/GM-6-2-6-5-...-/110630592075

https://www.amazon.com/gp/product/B002UNKA0A/

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  #18  
Old 01-07-2018, 07:10 AM
BillL BillL is offline
 
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Quote:
Originally Posted by rv8ch View Post
Heat flux too high and cooks the oil in contact with the element. Oil is a very poor heat transfer medium.

Kats have a lot of different sizes. Looks like no direct sales anymore, look in the catalog for sizes/instructions.
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Last edited by BillL : 01-07-2018 at 07:20 AM.
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  #19  
Old 01-07-2018, 07:45 AM
Piplnr65656 Piplnr65656 is offline
 
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Quote:
Originally Posted by rv8ch View Post

That is for heating the coolant, not the oil. They are normally mounted through a freeze plug. The fancy ones we started using a few years ago in our big diesels will heat, and circulate the coolant.
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  #20  
Old 01-07-2018, 08:19 AM
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My engine heater for cold weather is probably the cheapest and easiest to make. Just a couple of short sections of 4" aluminum dryer vent tubing and a couple of light bulbs in each one. And of course blankets over the cowl and plugs in the holes. At temperatures of -20 my engine is about 45 degrees and easy to start. Here is a short video of my set up.
https://youtu.be/eVaqcLNe3IY
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