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Cox Engine of The Month
November-2019
jmcalata's

"Pee Wee .020 throttled combinated"



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Post  czarobest on Wed Sep 25, 2019 7:06 am

Hi,
I'd like to show you the movie I made today from staring my first Cox engine - Tee Dee .051
I've renovated the engine a I've little cleaned. I made a needle spring from the office clip. In the previous film it was from a can Smile but it didn't work out and the needle was unscrewing. As a result, I couldn't adjust the engine properly and it only reached 17,000 RPM. Plus, I fired it with 5% nitro fuel.

Now on better test stand, with 20% nitro fuel and a new "spring", it reaches out 21 000 RPM (0.117 HP 86W) Very Happy

You can view all photos from renovation in this album https://flic.kr/s/aHsmvTLKXz  Wink

The video from today:

My TeeDee .051 45804412
My TeeDee .051 45804411
My TeeDee .051 45804410
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Post  balogh on Wed Sep 25, 2019 7:46 am

As an alternate to the spring tab, you may also pull a silicon tube over the golden carb nipple and the stem of needle valve, that will not only withhold it from resetting itself during engine run, but also seal against possible air in-leakage that often plagues TD-s after some extended time of operation.
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Post  czarobest on Wed Sep 25, 2019 8:03 am

Thank but when I bought this engine, it was as you propose. But I wanted it to be closer to the orginal and I did as it is Very Happy
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Post  getback on Wed Sep 25, 2019 9:49 am

Good to see you took it all the way down for a thorough cleaning Very Happy
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Post  Levent Suberk on Wed Sep 25, 2019 10:05 am

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Post  czarobest on Wed Sep 25, 2019 10:14 am

When I got the engine,  washer wasn't there. But thrust washer is currently mounted. Though you can't see it in the pictures Smile.
But thanks for noticing Smile
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