Winter / Focus / Fuel/Electric.

Adam Glatt adam.g at sasktel.net
Wed Dec 3 19:16:19 AKST 2003


John, experimentation or theory, though I have yet to hear anyone 
qualify the statement that a slow turning prop causes more drag than a 
stopped one with an explanation.

John Ferrell wrote:

>As I am sure you are aware, full scale pilots have been taught for many
>years that a windmilling prop creates more drag that a stopped prop.
>
>How do you determine what rpm generates the most drag?
>
>John Ferrell
>6241 Phillippi Rd
>Julian NC 27283
>Phone: (336)685-9606
>johnferrell at earthlink.net
>http://home.sprintmail.com/~johnferrell/dixiecompetitionproducts/
>NSRCA 479 AMA 4190  W8CCW
>"My Competition is Not My Enemy"
>
>
>----- Original Message ----- 
>From: "Doug Cronkhite" <seefo at san.rr.com>
>To: <discussion at nsrca.org>
>Sent: Wednesday, December 03, 2003 4:28 PM
>Subject: RE: Winter / Focus / Fuel/Electric.
>
>
>  
>
>>Well.. you fix that by setting a good idle speed before you take off. You
>>never let the motor stop in flight for a few reasons.. 1) as you
>>described, it looks weird.. 2) a stopped prop is not the best solution for
>>downline breaking.. 3) the start/stop is hard on the gears..
>>
>>-Doug
>>    
>>
>
>
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>  
>


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