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Cox Engine of The Month
February-2019
balogh's

"Black Lynx .049 with a Throttle, Exhaust Deflector and Nelson-Galbreath head set"



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After Market 3piece Roto-throttle Information

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Thinking After Market 3piece Roto-throttle Information

Post  Marleysky on 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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Thinking Re: After Market 3piece Roto-throttle Information

Post  1/2A Nut on 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 on 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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Thinking Re: After Market 3piece Roto-throttle Information

Post  getback on 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 on 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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Thinking Re: After Market 3piece Roto-throttle Information

Post  fredvon4 on 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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Thinking Re: After Market 3piece Roto-throttle Information

Post  dckrsn on Sun Dec 09, 2018 4:37 pm

Just thought I'd add a photo of the
cute little box these gems came in.
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Thinking Re: After Market 3piece Roto-throttle Information

Post  ticomareado on Sun Dec 09, 2018 5:39 pm

A product of pre-zip code Detroit. The Paris of the West.
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Thinking Re: After Market 3piece Roto-throttle Information

Post  Surfer_kris on 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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Thinking Re: After Market 3piece Roto-throttle Information

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

Very good work. Can be the Engine of the Month winner. Very Happy
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Thinking Re: After Market 3piece Roto-throttle Information

Post  ticomareado on 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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Thinking Re: After Market 3piece Roto-throttle Information

Post  Surfer_kris on 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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