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Cox Engine of The Month
June-2018
Davenz13's

".049 Bee"



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.049 Medallion crank shaft

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Wanted .049 Medallion crank shaft

Post  Bootlegger on Sun May 24, 2015 2:15 pm

Fellows I am looking to buy a crankshaft for a Cox medallion .049 engine.
Can anyone direct me as to where I might get one? I need for it to be
complete with fiber washer and all the other parts that go with it.
Thanks a lot, Bootlegger
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Wanted Re: .049 Medallion crank shaft

Post  1/2A Nut on Sun May 24, 2015 4:09 pm

I have seen them pop up on ebay from time to time.
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Wanted Re: .049 Medallion crank shaft

Post  Bootlegger on Sun May 24, 2015 8:05 pm


Thanks Ken,
I have had trouble trying to set up an account with ebay, do you have any suggestions as to how to buy that crank shaft otherwise?
Thanks a lot...
my email address is gil6964atcoxdotnet
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Wanted Re: .049 Medallion crank shaft

Post  RknRusty on Sun May 24, 2015 8:22 pm

No Bootlegger, I checked everywhere I know and didn't see one. However, here is a Tee Dee crank, which would give you a higher performance Medallion and you wouldn't lose the benefit of running well on suction.

http://www.exmodelengines.com/product.php?productid=17605&cat=266&page=1

The part that makes a Tee Dee draw fuel poorly is the sprinkler venturi system. On suction, the 3 hole sprinkler tends to cavitate around two of the holes while only one feeds the engine. With pressure it slams fuel through all three. So the Medallion spraybar won't be affected by whichever crank is used and will run just fine on suction.
Rusty

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Wanted Re: .049 Medallion crank shaft

Post  getback on Mon May 25, 2015 6:51 am

Thanks Rusty , I new if I read long enough I would find out why the TD want draw fuel // I was thinking it had to do with the way the port was cut in the cranks Small Cox Logo Rolling Eyes
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Wanted Re: .049 Medallion crank shaft

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