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Queen Bee to TD09 Pis/Cyl question
Page 1 of 1
Queen Bee to TD09 Pis/Cyl question
I've seen references to guys modifying the .07 Queen Bee by putting TD 09 pistons and cylinders on them. I understand a crankpin bushing needs to be machined but what are you guys doing about the stroke. From what I can see the 09 has a longer stroke. If its not compensated for doesn't it mess up the port timing?
What do they run like with this mod?
Or is it just a, "Guess what I did" mod?.....
Thanks,
Mike
What do they run like with this mod?
Or is it just a, "Guess what I did" mod?.....
Thanks,
Mike
Cryhavoc- Bronze Member
- Posts : 58
Join date : 2013-10-29
Age : 57
Location : Copperas Cove, Texas
Re: Queen Bee to TD09 Pis/Cyl question
Cryhavoc wrote:I've seen references to guys modifying the .07 Queen Bee by putting TD 09 pistons and cylinders on them. I understand a crankpin bushing needs to be machined but what are you guys doing about the stroke. From what I can see the 09 has a longer stroke. If its not compensated for doesn't it mess up the port timing?
What do they run like with this mod?
Or is it just a, "Guess what I did" mod?.....
Thanks,
Mike
I personally haven’t done it, I’ve just seen other people online do it before. Not sure if it would mess up the stroke, I know it’s a very very similar cylinder, not sure on the porting though
Lukemiester- Gold Member
- Posts : 290
Join date : 2020-10-08
Age : 18
Location : currently Wickenburg, AZ
Re: Queen Bee to TD09 Pis/Cyl question
did you read this one
https://www.coxengineforum.com/t12117-queen-bee-with-09-cylinder-piston?highlight=queen+bee+mod Don't see where one modded was ran .. hear you look
https://www.coxengineforum.com/search?search_keywords=queen+bee+mod
https://www.coxengineforum.com/t12117-queen-bee-with-09-cylinder-piston?highlight=queen+bee+mod Don't see where one modded was ran .. hear you look

getback- Top Poster
Posts : 9827
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Queen Bee to TD09 Pis/Cyl question
Like that link, I keep seeing references to the mod but no concrete data. I would have thouhgt that guy "ampabuser", or something like that, over on RCGroups would be all over this mod but he seems content to ring out the stock 07 for all its worth.
Mike
Mike
Cryhavoc- Bronze Member
- Posts : 58
Join date : 2013-10-29
Age : 57
Location : Copperas Cove, Texas
Re: Queen Bee to TD09 Pis/Cyl question
That's our 1/2Anut here on the forum , that's what he does REM them out LOL https://www.youtube.com/user/AmpAbuser

getback- Top Poster
Posts : 9827
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Queen Bee to TD09 Pis/Cyl question
Can try a turbo plug adapter for more QB power with a pressure tap.
https://kamtechnik.com/product/ktk-19/

Cox Queen Beast .074 / Kamtechnik Turbo Plug Adapter Test
Works with the .074 and .09 engines
Static Peak 19,783 rpm / .214 hp - 158w / 56.2 mph pitch speed
Impressive 23.3 oz thrust!
OS P4 turbo plug / 25% nitro / 20% oil
This is now a viable power house well exceeding the TD .051
The best bet with a TD .09 is to source a Cox or Tornado RC carb or mod a carb to fit or
rob a throttle sleeve off a Medallion.


https://kamtechnik.com/product/ktk-19/

Cox Queen Beast .074 / Kamtechnik Turbo Plug Adapter Test
Works with the .074 and .09 engines
Static Peak 19,783 rpm / .214 hp - 158w / 56.2 mph pitch speed
Impressive 23.3 oz thrust!
OS P4 turbo plug / 25% nitro / 20% oil
This is now a viable power house well exceeding the TD .051
The best bet with a TD .09 is to source a Cox or Tornado RC carb or mod a carb to fit or
rob a throttle sleeve off a Medallion.



1/2A Nut- Top Poster
Posts : 3342
Join date : 2013-10-20
Age : 60
Location : Brad in Texas
sosam117- Platinum Member
- Posts : 1148
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
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