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Post  latole Wed Jun 08, 2022 2:02 pm

Hello

I bought a box with some parts a few Cox engines including this one that I've never seen with a shaft like this.

Do you have any idea what it is?

Thanks

What is this Cox engine?  Dsc00019
What is this Cox engine?  Dsc00018
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Post  Marleysky Wed Jun 08, 2022 3:25 pm

Hello Latole!!  That engine is from a Dragster Car. Gear driven larger OD crankshaft.
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Post  GallopingGhostler Wed Jun 08, 2022 3:49 pm

If one does not desire to restore as a car engine but otherwise has good compression, may be able to fit a standard propeller drive plate. If fits correctly, then use as an airplane engine.
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Post  Marleysky Wed Jun 08, 2022 3:52 pm

IIRC you can use a driveplate for a 09 on this large OD crank:  

https://www.coxengineforum.com/t12497-help-with-disassembly
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Post  latole Wed Jun 08, 2022 4:19 pm

Hello my friend, thank you for you knowledge.

What do you think of this kit ; Which plane would it be from?
Yellow spindle, 3 blades propeller and black firewall

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Post  latole Wed Jun 08, 2022 4:21 pm

Heldiver ?

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Post  GallopingGhostler Wed Jun 08, 2022 4:42 pm

Marleysky wrote:IIRC you can use a driveplate for a 09 on this large OD crank:  
https://www.coxengineforum.com/t12497-help-with-disassembly
Alas, neither Cox International nor Ex Model Engines have the .09 drive plates. I don't know if a .074 Queen Bee drive plate could be substituted or not.
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Post  KariFS Thu Jun 09, 2022 9:12 am

Our friend Matt had a bunch of conversion drive plates made, not sure if any are still available. Check out Ex Model Engines’ site.
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Post  GallopingGhostler Thu Jun 09, 2022 10:07 am

KariFS wrote:Our friend Matt had a bunch of conversion drive plates made, not sure if any are still available. Check out Ex Model Engines’ site.
Nada, just checked. Sad
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Post  balogh Thu Jun 09, 2022 11:37 pm

Post intentionally deleted...I was confused regarding the conversion drive plate...
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