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Cold Weather Preheat

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(@dsrothmac-com)
Posts: 52
Trusted Member
Topic starter
 

I am looking for advice on when & how to preheat my Franklin engine.  It's mostly in the low 20's at night warming to the high 30's to low 40's during the day.  My 108 has no provision for preheating installed.  What do you cold weather pilots do?  Thanks!

David

 
Posted : 05/01/2020 4:56 pm
Robert Picard
(@bob-picard)
Posts: 87
Estimable Member
 

First we must know the following:

Do you have an engine cover?

Do you have electricity available?

Bob PicardN6346M Stinson 108-3 Floats/Skis/Wheels
N48923 Taylorcraft L-2B skis/WheelsAnchor Point, Alaska

 
Posted : 05/01/2020 7:56 pm
(@dsrothmac-com)
Posts: 52
Trusted Member
Topic starter
 

@bob-picard

Thanks for your reply, Bob.  The plane is hangared & electricity is available.  I don't have a dedicated engine cover but do have several large old quilts that I can use to drape over the cowling.

I have another plane that has heating pads adhered to the bottom of the engine.  They do heat the oil in the pan but probably not so much the remainder of the engine.

David

 
Posted : 06/01/2020 12:16 am
Posts: 24
Eminent Member
 

I have a Tanis engine heater installed on my Stinson and have used this system on several other aircraft in the past and it works well for MN flying conditions. I have a Kennon engine cover that works great but I understand they no longer make covers for the GA market.Don

 
Posted : 07/01/2020 11:22 am
(@carl)
Posts: 139
Estimable Member
 

@dsrothmac-com

If the pan heater works for your other plane why wouldn't it work with the Franklin? There is plenty of flat space on the side and bottom of the pan for the heater.

 
Posted : 07/01/2020 6:10 pm
(@dsrothmac-com)
Posts: 52
Trusted Member
Topic starter
 

@carl

The type of heater that sticks to the bottom of the pan is probably the way I'll go.  Relatively easy to install & not very pricey.  I am just interested to see what others do for preheating their engines & what the alternatives might be.

 
Posted : 08/01/2020 2:52 pm
Robert Picard
(@bob-picard)
Posts: 87
Estimable Member
 

@dsrothmac-com

In addition to a pan heater, you may want to cover you cowling with a blanket and put a drop light with a 100 watt bulb (if you can still find one somewhere) inside the cowling. That will help warm up other things besides the oil. Don't put it on anything that will melt or burn. No matter what you use, don't leave it plugged in all the time. A toasty cowling invites moisture and critters looking for a warm place to set up housekeeping. Put it on some kind of timer or better yet, hook it up to a cell phone activated outlet.

Bob PicardN6346M Stinson 108-3 Floats/Skis/Wheels
N48923 Taylorcraft L-2B skis/WheelsAnchor Point, Alaska

 
Posted : 08/01/2020 6:46 pm
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