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After Market 3piece Roto-throttle Information Cox_ba12




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After Market 3piece Roto-throttle Information

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Thinking After Market 3piece Roto-throttle Information

Post  Marleysky Wed Dec 05, 2018 5:30 pm

Here’s a new project for those of you who have a Lathe!

Brad has one on his EOM picture, mine is for the 049 size.

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Post  1/2A Nut Wed Dec 05, 2018 11:14 pm

Thank you for posting I wondered who actually made the throttle I have 3 of them on .15 size engines. Small Cox Logo

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Thinking Re: After Market 3piece Roto-throttle Information

Post  MauricioB Thu Dec 06, 2018 5:05 am

Marleysky wrote:Here’s a new project for those of you who have a Lathe!

Brad has one on his EOM picture, mine is for the 049 size.

Thank you very much for publishing these photos, they are very useful.
I am now working on an airplane model, but as soon as I have time, I will try to make one of these accelerator rings.
I was thinking about trying for a .010 from Cox Huh... Huh... ... I like the idea and the challenge ... but ... I'll have to wait for his turn ... haha
Thanks friend Marleysky Thumbs Up
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Post  getback Thu Dec 06, 2018 6:30 am

Thanks Rene , i have never seen one of these and didn't quite get it from Brads EOM picture . What is the date on packaging ? Babe Bee .049
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Thinking Re: After Market 3piece Roto-throttle Information

Post  Marleysky Thu Dec 06, 2018 11:12 am

getback wrote:Thanks Rene , i have never seen one of these and didn't quite get it from Brads EOM picture . What is the date on packaging ? Babe Bee .049

There is no date on the paperwork. The address used does not have a zip code, so it was before 1963.
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Post  fredvon4 Thu Dec 06, 2018 1:07 pm

I assume Valve bodies 1 and 2 have smaller exhaust slits relative to the cylinder to effectively remove any SPI.... and that would make sense to me....wish we had more cottage guys to make these after market parts
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Post  dckrsn Sun Dec 09, 2018 4:37 pm

Just thought I'd add a photo of the
cute little box these gems came in.
Bob
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Post  ticomareado Sun Dec 09, 2018 5:39 pm

A product of pre-zip code Detroit. The Paris of the West.
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Post  Surfer_kris Mon Dec 10, 2018 11:03 am

Marleysky wrote:Here’s a new project for those of you who have a Lathe!

Been there, done that lol!

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Post  Levent Suberk Mon Dec 10, 2018 11:36 am

Very good work. Can be the Engine of the Month winner. Very Happy
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Post  ticomareado Mon Dec 10, 2018 1:25 pm

Amen. Is this set up designed to be coupled to tuned pipe or an oil deflector tube? ? I'd like to see it installed on a Tee Dee or a Space Hopper.
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Post  Surfer_kris Mon Dec 10, 2018 2:02 pm

It was just a little experiment to see what can be done in order to keep the noise down. We have a muffler regulation (compulsory) at our field...

Final version has a music wire clip to keep the muffler on.

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