REFLECTOR: Velocity heater

Lou Stedman stedmanlou at adelphia.net
Tue Jan 8 15:41:18 CST 2008


John that sounds interesting but I would think that it would take a very 
powerful blower to push back the incoming air to at 170 kts. Let us know how 
it works out. Thanks.

Lou Stedman
Velocity N7044Q
Olean, NY
----- Original Message ----- 
From: "John Dibble" <aminetech at bluefrog.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Tuesday, January 08, 2008 2:25 PM
Subject: Re: REFLECTOR: Velocity heater


> Dave,
>
> If I do more cold weather flying, I'm thinking of trying a flap in the 
> naca scoop that
> the blower would force open and block the fresh air.  That way it is all 
> automatic and
> no manual closing of the naca scoop is required.  Then on a long trip from 
> FL to NY
> you can have it both ways.
>
> John
>
> David Scharfenberg wrote:
>
>> Thanks Rene
>>
>> My plan now is to make a removable cover for the NACA scoop in front of
>> the oil cooler.
>>
>> Attach a bilge blower onto the close-out bulkhead above the canard.
>>
>> Run SCAT tubing from the blower to a hole in the back of the NACA scoop.
>>
>> Make a cover for the above mentioned hole in the back of the NACA scoop.
>>
>> In the spring, summer, and fall I will cover the hole and uncover the
>> NACA scoop.
>>
>> In the winter I will cover the NACA scoop and uncover the hole.
>>
>> I'll let you know how it works out.
>>
>> Dave
>>
>> On Jan 8, 2008, at 12:04 PM, Rene Dugas wrote:
>>
>> > Dave, just a thought that I tried and worked well was to suck air out
>> > of
>> > one front foot well and blow it into the other since you already have
>> > the scat tubing and with the flapper valve closed the cavity behind the
>> > oil cooler gets quite warm although not hot.  I placed a bilge fan
>> > blower here and recirculate with minimal added work and significant
>> > heat
>> > if I duct tape over the oil cooler fins for winter flying.  I do not
>> > need either oil cooler for winter flying with my IO 540.  I also have
>> > the 12v blanket and stay quite comfortable.
>> > Rene'
>>
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