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Cox Engine of The Month
July-2024
robot797's
![](https://i.servimg.com/u/f95/15/46/86/41/3_robo10.jpg)
"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"
![](https://i.servimg.com/u/f95/15/46/86/41/sponso12.png)
PAST WINNERS
robot797's
![](https://i.servimg.com/u/f95/15/46/86/41/3_robo10.jpg)
"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"
![](https://i.servimg.com/u/f95/15/46/86/41/sponso12.png)
PAST WINNERS
Cox QRC or Dragonfly
Page 1 of 1
Cox QRC or Dragonfly
Trying really hard to locate the rubber sleeve for the cox .049 throttle /muffler sleeve. How to get one of those?
Thanks Iceberg
Thanks Iceberg
Iceberg- Gold Member
- Posts : 381
Join date : 2018-11-03
Location : Suva Fiji Islands
RE: Cox QRC or Dragonfly
The only rubber muffler ring /muffler that I've ever seen came on the cast case red tank RC Bee ( Prior to the Dragonfly). I think that Tim Dannels mentions in his book that the design was discontinued shortly after introduction due to a patent infringement in 1979.
It might be easier to find rocking horse manure..
Good Luck, Steve.....
It might be easier to find rocking horse manure..
Good Luck, Steve.....
66 Malibu- Gold Member
- Posts : 477
Join date : 2012-02-28
Location : Georgia
Mudhen- Gold Member
- Posts : 489
Join date : 2011-09-19
Re: Cox QRC or Dragonfly
Mudhen wrote:I have some available.
How many do you need and where will I be sending them.
What a wonderful gesture! If I may Mud, could I ask you to post a picture of the “rubber” muffler? Just so I know what to look for when digging thru parts boxes of rocking horse manure!! Thanks!
Ps:the only rubber muffler I’m familiar with is the one Roddie made out of a bicycle inner tube.
Marleysky- Top Poster
Posts : 3618
Join date : 2014-09-28
Age : 71
Location : Grand Rapids, MI
Re: Cox QRC or Dragonfly
Hi Mudhen
That would be really helpful!! They would be sent to Fairfield CA. Can I give an address? But no horse manure needed
That would be really helpful!! They would be sent to Fairfield CA. Can I give an address? But no horse manure needed
Iceberg- Gold Member
- Posts : 381
Join date : 2018-11-03
Location : Suva Fiji Islands
Mudhen- Gold Member
- Posts : 489
Join date : 2011-09-19
Re: Cox QRC or Dragonfly
Beautiful car. Mudhen I'm sorry I'm struggling to get to the PM function. How do I do that? Sorry and the rubber ring in the picture is exactly what i really need.
Thanks
Iceberg
Thanks
Iceberg
Iceberg- Gold Member
- Posts : 381
Join date : 2018-11-03
Location : Suva Fiji Islands
Re: Cox QRC or Dragonfly
Iceberg wrote:Beautiful car. Mudhen I'm sorry I'm struggling to get to the PM function. How do I do that? Sorry and the rubber ring in the picture is exactly what i really need.
Thanks
Iceberg
Thanks for the picture Mud. I’ll keep an eye out in future searches.
Iceberg: the PM feature (private message) is activated by clicking on the little sillioute of a body with PM on it, located in the bottom avatar section of the person you want to message to.
Enter the PM function is like using e mail. Hope that helps!
Marleysky- Top Poster
Posts : 3618
Join date : 2014-09-28
Age : 71
Location : Grand Rapids, MI
GallopingGhostler- Top Poster
Posts : 5432
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
Re: Cox QRC or Dragonfly
GallopingGhostler wrote:Those interested, Cox International has a genuine Cox throttle muffler kit using the R/C Bee styled one with silicon rubber cover, US$ 29.95
3615 - Cox .049 Throttle & Muffler Assembly
I would query the listing, if Bernie's listening in. The ad on Cox International's website describes the muffler as fitting a wide range of engines, but in reality I would suggest that it is only really recommended for engines without SPI. SPI equipped engines are not suitable for use with a muffler such as this as they ingest too much spent exhaust gas. Sure, they would still run (albeit at lower power), and I have no evidence to back up my claim, but there's enough anecdotal evidence to say that this is the case.
On another note, I was helped by a member here some years ago to complete my R/C Bee, which was also missing the rubber ring. I'm pretty sure it was the only model engine factory fitted with this muffler.
Oldenginerod- Top Poster
- Posts : 3985
Join date : 2012-06-15
Age : 61
Location : Drouin, Victoria
Re: Cox QRC or Dragonfly
Rod, the kit comes with a non-SPI cylinder, and if the entire kit is installed, it should be ok, and should fit even on a Tee Dee, especially since there seems to be a spacer for the Tee Dee venturi.
You are correct, of course, that if the muffler alone was fitted on an SPI engine, it would cause trouble. Then again, with the rubber ring removed, this muffler-throttle would work as a throttle even with an SPI, right? But it wouldn’t do a lot of ”muffling” in that case![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)
The muffler was also sold separately, I think I have one NIB somewhere. I think it too came with the venturi spacer for Tee Dee
You are correct, of course, that if the muffler alone was fitted on an SPI engine, it would cause trouble. Then again, with the rubber ring removed, this muffler-throttle would work as a throttle even with an SPI, right? But it wouldn’t do a lot of ”muffling” in that case
![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)
The muffler was also sold separately, I think I have one NIB somewhere. I think it too came with the venturi spacer for Tee Dee
![Huh...](/users/3015/29/34/60/smiles/3929217648.gif)
KariFS- Diamond Member
- Posts : 2019
Join date : 2014-10-10
Age : 52
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