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Cox Engine of The Month
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Davenz13's

".049 Bee"



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Black Widow off EBay

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Re: Black Widow off EBay

Post  nitroairplane on Sun Jan 22, 2012 6:02 pm

That's exactly what I was trying to get across in Previous posts but it does look well used.
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Re: Black Widow off EBay

Post  RknRusty on Sun Jan 22, 2012 7:00 pm

nitroairplane wrote:
nitroairplane wrote:Well to me that sound like a mixture problem.
Maybe it is too rich if not it is either the reed or this has not had a proper break in.
So replace the reed and maybe retainer ten let it run rich for a while and see did it improves later.

That's exactly what I was trying to get across in Previous posts but it does look well used.

Yes you did, I should have read more closely.

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Re: Black Widow off EBay

Post  John Goddard on Mon Jan 23, 2012 9:16 am

Sounds a little like my Golden Bee Wilf a dab of Hermatite on the o ring between tank and back plate
worked for me. Might've been better to put a new o ring in but Hey you understand hammers...!

Very Happy
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Re: Black Widow off EBay

Post  Ivanhoe on Mon Jan 23, 2012 9:22 am

John Goddard wrote:Sounds a little like my Golden Bee Wilf a dab of Hermatite on the o ring between tank and back plate
worked for me. Might've been better to put a new o ring in but Hey you understand hammers...!

Very Happy

I always replace that O-ring as a matter of course with any new (used) engine I get, together with all the other gaskets, and if I don't have a spare a bit of silicone fuel tube works just as well Very Happy Very Happy
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Re: Black Widow off EBay

Post  RknRusty on Mon Jan 23, 2012 10:49 am

I prefer the silicone fuel tube to the Cox o-gasket. I think the silicone tube makes a tighter seal as long as you don't cut it too thick. About 1mm but it's not critical.

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Re: Black Widow off EBay

Post  microflitedude on Mon Jan 23, 2012 10:51 am

RknRusty wrote:I prefer the silicone fuel tube to the Cox o-gasket. I think the silicone tube makes a tighter seal as long as you don't cut it too thick. About 1mm but it's not critical.

+1!

You can make hundreds for a couple bucks.
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Re: Black Widow off EBay

Post  nitroairplane on Mon Jan 23, 2012 12:41 pm

I find the original cox ones are a bit thin sometimes.
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Re: Black Widow off EBay

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