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Cox Engine of The Month
January-2022
Mark Boesen's

Twin Needle Thermal Hopper with a Cage Mount.

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I have the "New Engine of the Month" winner? Empty

I have the "New Engine of the Month" winner?

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I have the "New Engine of the Month" winner? Empty I have the "New Engine of the Month" winner?

Post  sosam117 Wed Jul 01, 2020 6:06 pm

I have installed a Enya .09 Quicky throttle onto a Cox Tee Dee .09.
Idles down to about 3100 and tops out at about 17,000.

If you want to have a Enya throttle thread into the Tee Dee .09 you can get the Enya long neck (venturi -- part #19440) carb from MECOA and use a 5/16x32 die to cut the threads.
Thing is, that carb is a little bigger ( for Enya 19 engine) so, venturi size is larger.

I sized up a Enya .09 carb to the Cox Tee Dee .09 engine.

I have the "New Engine of the Month" winner? 01_cox10

I have the "New Engine of the Month" winner? 02_cox10

I have the "New Engine of the Month" winner? 03_cox10

The Quicky 09 I milled and drilled a small hole into the aluminum (body) venturi to accept the Enya Quicky 09 carb.
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Post  1/2A Nut Wed Jul 01, 2020 6:18 pm

Looks great well done!
Have you checked the carb with a TD .15?

Cox Tee Dee Special with Norvel .15 RC carb


Threads are 3/8 -32


I have used a:
ENYA Part Number: 09430
ENYA 09TV CARBURETOR COMPLETE  E1038
For a Norvel .074 Heli engine.



Modified Norvel V7 / MA 5.5x4.5
Testing with Enya TV .09 RC carb
Peak Static: 19,622 / 16oz thrust / .224hp / 167w / 84 mph
Modified heli muffler with pressure tap




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Post  sosam117 Wed Jul 01, 2020 8:34 pm

@1/2A Nut wrote:Looks great well done!
Have you checked the carb with a TD .15?

Cox Tee Dee Special with Norvel .15 RC carb


Threads are 3/8 -32


I have used a:
ENYA Part Number: 09430
ENYA 09TV CARBURETOR COMPLETE  E1038
For a Norvel .074 Heli engine.



Modified Norvel V7 / MA 5.5x4.5
Testing with Enya TV .09 RC carb
Peak Static: 19,622 / 16oz thrust / .224hp / 167w / 84 mph
Modified heli muffler with pressure tap

Small Cox Logo  Thumbs Up

No I have not tried the Enya .15 carb on a Cox Tee Dee .15 engine.
The 3/8-32 die will not thread the Enya 15 carb. It is not big enough to thread but the 5/16-32 die will thread the carburetor.

I have a Cox .15 engine but no piston for it. I broke the con rod. No I did not use a starter on it (never!)
The Enya carburetor will slip into the threaded venturi part, just like the Enya Quicky .09 carburetor did on the Cox Tee Dee .09 engine.

It should work out just as well as the Tee Dee .09 setup?

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Post  davidll1984 Wed Jul 01, 2020 9:17 pm

wat size ventury inside .?carb just asking to my self experimental projec for ultra bipe wit large prop like 8x3.5 u get good result nice engine Very Happy for my carb setup no tred to place for larger ventury more rpm a tuned pipe wit proper size working on 1 .09 tee dee bing long time like 6years not touching it


Last edited by davidll1984 on Wed Jul 01, 2020 9:26 pm; edited 1 time in total (Reason for editing : ad info)
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Post  sosam117 Wed Jul 01, 2020 9:34 pm

@davidll1984 wrote:wat size ventury inside .?carb just asking to my self experimental projec for ultra bipe wit large prop like 8x3.5 u get good result nice engine Very Happy for my carb setup no tred to place for larger ventury more rpm a tuned pipe wit proper size working on 1 .09 tee dee bing long time like 6years not touching it

The larger venturi size will be harder to start (the .09 venturi size over the .19 venturi size)
Like the venturi size difference on a baby bee verses a Venom venturi size.
The larger venturi size will run faster but starting it will be a pain.
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Post  MauricioB Wed Jul 01, 2020 9:49 pm

@1/2A Nut wrote:Looks great well done!
Have you checked the carb with a TD .15?

Cox Tee Dee Special with Norvel .15 RC carb


Threads are 3/8 -32


I have used a:
ENYA Part Number: 09430
ENYA 09TV CARBURETOR COMPLETE  E1038
For a Norvel .074 Heli engine.



Modified Norvel V7 / MA 5.5x4.5
Testing with Enya TV .09 RC carb
Peak Static: 19,622 / 16oz thrust / .224hp / 167w / 84 mph
Modified heli muffler with pressure tap
Small Cox Logo  Thumbs Up

You are always one step further! ... good to see your work! Clapping Clapping
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Post  MauricioB Wed Jul 01, 2020 9:52 pm

@sosam117 wrote:I have installed a Enya .09 Quicky throttle onto a Cox Tee Dee .09.
Idles down to about 3100 and tops out at about 17,000.

If you want to have a Enya throttle thread into the Tee Dee .09 you can get the Enya long neck (venturi -- part #19440) carb from MECOA and use a 5/16x32 die to cut the threads.
Thing is, that carb is a little bigger ( for Enya 19 engine) so, venturi size is larger.

I sized up a Enya .09 carb to the Cox Tee Dee .09 engine.

I have the "New Engine of the Month" winner? 01_cox10

I have the "New Engine of the Month" winner? 02_cox10

I have the "New Engine of the Month" winner? 03_cox10

The Quicky 09 I milled and drilled a small hole into the aluminum (body) venturi to accept the Enya Quicky 09 carb.

Excellent...!!! do you have running videos Thank you!!
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Post  davidll1984 Wed Jul 01, 2020 10:34 pm

big vetury hard to start yes mabee with reed valve or tee dee over size ventury w not with rc carb nowday smal rc cars wit .09 piston rev to 23 000 rpm compare carb with antique desing is like aple to bananas mutch biger wit full adjutable fuel to air big improve over time wil get pic of my own desing carb setup diferent .09 cox rc mod custum part
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Post  sosam117 Wed Jul 01, 2020 11:04 pm

@MauricioB wrote:
@sosam117 wrote:I have installed a Enya .09 Quicky throttle onto a Cox Tee Dee .09.
Idles down to about 3100 and tops out at about 17,000.

If you want to have a Enya throttle thread into the Tee Dee .09 you can get the Enya long neck (venturi -- part #19440) carb from MECOA and use a 5/16x32 die to cut the threads.
Thing is, that carb is a little bigger ( for Enya 19 engine) so, venturi size is larger.

I sized up a Enya .09 carb to the Cox Tee Dee .09 engine.

I have the "New Engine of the Month" winner? 01_cox10

I have the "New Engine of the Month" winner? 02_cox10

I have the "New Engine of the Month" winner? 03_cox10

The Quicky 09 I milled and drilled a small hole into the aluminum (body) venturi to accept the Enya Quicky 09 carb.

Excellent...!!! do you have running videos Thank you!!

Sorry I do not.
I am not tech savvy enough on a compute to get that done.

Here is some more info as to what I used:
I used Sig's Champion 10% glow fuel
Prop was a 8x4 Taipan prop ( purchased it years ago from Hobby Club)

The engine I ran was the one with the red spinner. I have not yet run the other Tee Dee .09 (silver spinner)
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