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Tarno 1/2 AR details - Page 2 Babe_b10
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September-2020
sosam117's

"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."



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Post  Basswood on Thu Mar 12, 2020 11:15 am

nitroairplane wrote:Doesn't look tooooooo hard to make. Maybe one could make one up using a tee tee carb?


I just built one from scratch with a cox T.D. RC carb last month. I could put up photo's but I don't want to hijack the thread? take a look at my avatar.
Basswood


Last edited by Basswood on Thu Mar 12, 2020 11:19 am; edited 1 time in total (Reason for editing : Clarity)
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Post  balogh on Thu Mar 12, 2020 2:13 pm

That muffler looks awesome! Have you made it from scratch or modified another brand?
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Post  Cribbs74 on Thu Mar 12, 2020 3:50 pm

Mark,

You bumped this thread back from the dead, were you wanting info? Or did you just want to talk about Tarno carbs?

Ron
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Post  1/2A Nut on Thu Mar 12, 2020 8:13 pm

Hi Basswood,

If willing post a few pics of that muffler assembly. Small Cox Logo
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Post  Basswood on Thu Mar 12, 2020 10:24 pm

Here ya go. its a combination of Cox 074 exhaust manifold, I like the extra space around the cylinder and Paasche Airbrush Moisture Trap for the muffler. I like re-purposing parts. saves a lot of fabrication. and the color almost matches too.Smile
Basswood

Tarno 1/2 AR details - Page 2 Cox_1-10
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Post  Basswood on Thu Mar 12, 2020 11:03 pm

I don't have any photos as I was assembling that one but if you look at this photo you can see another on the left that's going into the next engine. no anodizing on it. and also how the engine went together. home made Tarno style engine mount. Tarno 1/2 AR details - Page 2 Cox_1_10
Tarno 1/2 AR details - Page 2 Cox_1_11

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Post  1/2A Nut on Fri Mar 13, 2020 12:26 am

Interesting approach well done, you should start a thread and run up the engine.
Post a vid on youtube for folks to enjoy the sound and sites!


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Post  Basswood on Fri Mar 13, 2020 1:29 am

Thanks 1/2 A Nut, I appreciate your opinion. but next I think I need to upgrade my digital camera first. as you can see by the photo's. it has a sweet spot but sometimes it's hard to find. since I retired I just got back into the loop again from the seventies but I'm having a blast building these engines again. cant wait to fire it up. move some shims and head gaskets around, find the sweet spot in the engine.
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Post  getback on Fri Mar 13, 2020 8:07 am

I like the looks over the original muffler ,, here is a link to some testing Chris did some time back .. https://www.coxengineforum.com/t12983p25-cox-074-queen-bee-nelson-plug
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Post  Basswood on Tue Mar 17, 2020 3:24 pm

I will take a look at that. thanks for the link getback.

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