Who make HY motor

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#6
I think it's an CY engine just used by Himotoracing.

The most known rc engine makers as far as I know are Zenoah and CY.

And then you have the RCMK and SCZ engines, but who makes them that I don't know.

And also as far as I know most rc car manufacturers use CY engines in their RTR cars.

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Phill2

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#7
I think it's an CY engine just used by Himotoracing.

The most known rc engine makers as far as I know are Zenoah and CY.

And then you have the RCMK and SCZ engines, but who makes them that I don't know.

And also as far as I know most rc car manufacturers use CY engines in their RTR cars.

Sent fra min SM-G955F via Tapatalk
CY and HY are the same animal
 
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#8
Cy and hy may look like the same animal but are both very different just as Cy and zen look the same but very different. I have a Cy and hy on my bench and have tried to drop an hy in place of a Cy and they are dimensionaly about 2 to 3mm different in width and motors mounts do not line up
 

Phill2

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#9
Cy and hy may look like the same animal but are both very different just as Cy and zen look the same but very different. I have a Cy and hy on my bench and have tried to drop an hy in place of a Cy and they are dimensionaly about 2 to 3mm different in width and motors mounts do not line up
Have you changed the fan cover like you have to with a Zen
I'v found HY and CY parts interchangeable.
Either way they don't compare to Zen quality wise.
 
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#14
I put an HY cover on my Zen 290 and it went straight in?
not sure whats up but i am able to swap all three covers between engines it just seems the actual casting of the block is thicker. im no small chinese engine expert by any means i deal with full scale engines but i will eventualy get around to measuring up all 3 units
 
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