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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
TeeDee 049 or 051?
Page 1 of 1
TeeDee 049 or 051?
Hi,
Have swap offer for some of my vintage diesels for this TEE DEE 049/51 but seller have no idea is it 049 or 051?
Any help from CEF members to determine the type?
![TeeDee 049 or 051? FP8aedU](https://i.imgur.com/fP8aedU.jpg)
![TeeDee 049 or 051? H6rWp7Y](https://i.imgur.com/h6rWp7Y.jpg)
![TeeDee 049 or 051? TFOYtTY](https://i.imgur.com/tFOYtTY.jpg)
![TeeDee 049 or 051? HBR4mxk](https://i.imgur.com/HBR4mxk.jpg)
Thanx,
Have swap offer for some of my vintage diesels for this TEE DEE 049/51 but seller have no idea is it 049 or 051?
Any help from CEF members to determine the type?
![TeeDee 049 or 051? FP8aedU](https://i.imgur.com/fP8aedU.jpg)
![TeeDee 049 or 051? H6rWp7Y](https://i.imgur.com/h6rWp7Y.jpg)
![TeeDee 049 or 051? TFOYtTY](https://i.imgur.com/tFOYtTY.jpg)
![TeeDee 049 or 051? HBR4mxk](https://i.imgur.com/HBR4mxk.jpg)
Thanx,
Re: TeeDee 049 or 051?
Its a .051 and To make sure look on the piston skirt for the ligne Just look in the exhaust opening. The .051 have a distinctive line on its piston plus with a screen filter on ventury the ...jerobee tee dee use the same screen filter But with the black body and the motor turns in the opposite direction
![Small Cox Logo](/users/3015/29/34/60/smiles/7356.png)
![Babe Bee .049](/users/3015/29/34/60/smiles/976416.png)
davidll1984- Diamond Member
- Posts : 2303
Join date : 2020-02-12
Age : 39
Location : shawinigan
Re: TeeDee 049 or 051?
Thank you , engine is on its way by mail , will check these details once delivered .
RGDS
Nenad/Pegin
RGDS
Nenad/Pegin
Re: TeeDee 049 or 051?
Engine arrived, its mildly (if any) used /run and i just do some close inspection , looks its 0.51 Tee Dee, as @davidll1984 suggested.
Just glow head gasket looks to "fat" , its 0.8mm wide.
Suppose its not original factory assembly configuration.
![TeeDee 049 or 051? Gc2tOTM](https://i.imgur.com/Gc2tOTM.jpg)
![TeeDee 049 or 051? AF4ifx8](https://i.imgur.com/AF4ifx8.jpg)
![TeeDee 049 or 051? DdLxyEc](https://i.imgur.com/ddLxyEc.jpg)
![TeeDee 049 or 051? QEsVg2k](https://i.imgur.com/QEsVg2k.jpg)
![TeeDee 049 or 051? ELF2TxB](https://i.imgur.com/eLF2TxB.jpg)
![TeeDee 049 or 051? GUSMPcv](https://i.imgur.com/gUSMPcv.jpg)
![TeeDee 049 or 051? M9Zpi79](https://i.imgur.com/m9Zpi79.jpg)
![TeeDee 049 or 051? M8BbZJ3](https://i.imgur.com/M8BbZJ3.jpg)
![TeeDee 049 or 051? N9qk7Ye](https://i.imgur.com/n9qk7Ye.jpg)
My Medallions (09 & 15) and Tee Dee's 051 & 09
![TeeDee 049 or 051? DrGMCMH](https://i.imgur.com/drGMCMH.jpg)
Just glow head gasket looks to "fat" , its 0.8mm wide.
Suppose its not original factory assembly configuration.
![TeeDee 049 or 051? Gc2tOTM](https://i.imgur.com/Gc2tOTM.jpg)
![TeeDee 049 or 051? AF4ifx8](https://i.imgur.com/AF4ifx8.jpg)
![TeeDee 049 or 051? DdLxyEc](https://i.imgur.com/ddLxyEc.jpg)
![TeeDee 049 or 051? QEsVg2k](https://i.imgur.com/QEsVg2k.jpg)
![TeeDee 049 or 051? ELF2TxB](https://i.imgur.com/eLF2TxB.jpg)
![TeeDee 049 or 051? GUSMPcv](https://i.imgur.com/gUSMPcv.jpg)
![TeeDee 049 or 051? M9Zpi79](https://i.imgur.com/m9Zpi79.jpg)
![TeeDee 049 or 051? M8BbZJ3](https://i.imgur.com/M8BbZJ3.jpg)
![TeeDee 049 or 051? N9qk7Ye](https://i.imgur.com/n9qk7Ye.jpg)
My Medallions (09 & 15) and Tee Dee's 051 & 09
![TeeDee 049 or 051? DrGMCMH](https://i.imgur.com/drGMCMH.jpg)
Re: TeeDee 049 or 051?
Great .051 near mint looks like balsa and dust on it.
Are you going to use it in a project?
![Fireworks](/users/3015/29/34/60/smiles/4033836711.gif)
Are you going to use it in a project?
![Small Cox Logo](/users/3015/29/34/60/smiles/7356.png)
![Memorial Day](/users/3015/29/34/60/smiles/970093865.gif)
![Fireworks](/users/3015/29/34/60/smiles/4033836711.gif)
1/2A Nut- Top Poster
- Posts : 3464
Join date : 2013-10-20
Age : 60
Location : Brad in Texas
Re: TeeDee 049 or 051?
1/2A Nut wrote:
Are you going to use it in a project?![]()
![]()
Thx, and YES, i considering to put it on scratchbuilt Marutaka/Simprop MACH MINI racer.
![TeeDee 049 or 051? HAmLqHE](https://i.imgur.com/HAmLqHE.jpg)
Re: TeeDee 049 or 051?
That is a Nice looking .051 TD , It should pair good with the plane you show , Good looking TDs and Medallions
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
getback- Top Poster
Posts : 10276
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: TeeDee 049 or 051?
The triple gasket is for the running-in I think it even says in the manual This procedure must be done also with the norvel engine ad two gasket To reduce performance and run richer so as not to damage the piston which becomes too tight and it overheats when the engine break-in period is not over A good break-in is important to do it correctly for maximum performance.
![Small Cox Logo](/users/3015/29/34/60/smiles/7356.png)
![Babe Bee .049](/users/3015/29/34/60/smiles/976416.png)
![RC Plane](/users/3015/29/34/60/smiles/1702820958.gif)
![Memorial Day](/users/3015/29/34/60/smiles/970093865.gif)
davidll1984- Diamond Member
- Posts : 2303
Join date : 2020-02-12
Age : 39
Location : shawinigan
Re: TeeDee 049 or 051?
Thanx for the tip, will do some break in on the bench, just to be safe with this 051.davidll1984 wrote:The triple gasket is for the running-in I think it even says in the manual This procedure must be done also with the norvel engine ad two gasket To reduce performance and run richer so as not to damage the piston which becomes too tight and it overheats when the engine break-in period is not over A good break-in is important to do it correctly for maximum performance.![]()
![]()
![]()
![]()
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