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Cox Engine of The Month
November-2017
MauricioB's

"Cox Tee Dee .010"



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TD .020 backplate

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TD .020 backplate

Post  ddock on Fri Nov 20, 2015 4:49 pm

Does anyone out there in .020land have a good way to seal the back-plate to the tank....Over the years ,I think I have tried most with very limited success...Tired of leaky fuel tanks.
Thanks,
DennyDock
Stevensville, mi.
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Leaky

Post  garza2014 on Fri Nov 20, 2015 6:05 pm

ddock wrote:Does anyone out there in .020land have a good way to seal the back-plate to the tank....Over the years ,I think I have tried most with very limited success...Tired of leaky fuel tanks.
Thanks,
DennyDock
Stevensville, mi.

Hi

I use red silicone around the rim of the tank.

Alejo Colombia
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Re: TD .020 backplate

Post  Jason_WI on Fri Nov 20, 2015 6:53 pm

Is it leaking around the center screw or from the edge where the paper gasket is?

The paper gaskets get petrified over the years. Replacing gasket with a new one might help.

Sometimes a hairline crack developes where the center screw is. Replacing the backplate is the only option. I haven't found a glue that sticks well to Delrin.
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Pics

Post  garza2014 on Fri Nov 20, 2015 7:34 pm

You can see the dry silicone around the screw and a bit on the edge of the tank:





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Re: TD .020 backplate

Post  Cox International on Wed Nov 25, 2015 3:53 pm



Last edited by Cox International on Wed Nov 25, 2015 3:55 pm; edited 1 time in total (Reason for editing : Additional info)
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Re: TD .020 backplate

Post  Admin on Wed Nov 25, 2015 4:43 pm

A thinly cut O-ring from an appropriately sized piece of fuel tubing worked to seal the tank backplate screw on the World's Smallest Traveling Engine .010.

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