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Cox Engine of The Month
Pee Wee .020 diesel crank
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Pee Wee .020 diesel crank
Does anyone have a picture of a Pee Wee .020 heavy duty diesel crank? I think Davis may have made one.
jsesere- Rest In Peace
- Posts : 1606
Join date : 2010-09-05
Location : Salem Oregon
Re: Pee Wee .020 diesel crank
I don't think there ever was one for the pee wee engine. The stock crank has held up fine for me, but you have made sure that you have a good sealing head where you can release the compression setting enough. The DDD one with their teflon disks are very dangerous here. Mine was to high on the compression setting, plus the Teflon would never seal well enough. The solution is to grind off a bit from the counter piston in lathe, and to make a disc from sheet metal instead. Brass has worked well for me there.
Surfer_kris- Diamond Member
- Posts : 1905
Join date : 2010-11-20
Location : Sweden
Re: Pee Wee .020 diesel crank
I contacted Davis and he made one at one time, but he didn't have any pictures.
jsesere- Rest In Peace
- Posts : 1606
Join date : 2010-09-05
Location : Salem Oregon
Re: Pee Wee .020 diesel crank
Thanks for the info.
Joe
Joe
jsesere- Rest In Peace
- Posts : 1606
Join date : 2010-09-05
Location : Salem Oregon
Re: Pee Wee .020 diesel crank
Here is a short video of mine after the fix, spins a graupner 6x3 prop at around 9500rpm, and pulls a J3 cub around with authority.
https://www.youtube.com/watch?v=mMJlI0rgXVo
https://www.youtube.com/watch?v=mMJlI0rgXVo
Surfer_kris- Diamond Member
- Posts : 1905
Join date : 2010-11-20
Location : Sweden
jsesere- Rest In Peace
- Posts : 1606
Join date : 2010-09-05
Location : Salem Oregon
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