Synergy Nitro Helicopters > Synergy N5 / N5c

Fan shroud and clutch bell rubbing

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Hendo67:
N5C/ OS55- new build
The front of the fan shroud is sitting about 1/2mm higher than the back which is causing it to rub on the clutch bell. The carb is very close if not touching the fan shroud- possibly holding it up. I'm planning to relieve it a little hoping it might help, but doubtful since the front mounting bolts are in. Has anyone else ran into this? If so what is the cause and the solution?

p johnston:
No doubt that its a tight fit in there. I did find that I had to trim the fan shroud a bit to get it to clear the carb intake. Do this first and then see if it fits properly.
If not take a look and engine alignment. The clutch stack is probably tilted a little toward the tail. This would look like the shroud is up higher in the rear.

Let us know if this helps
Paul

Tommy Wagner:
there is some adjustment on the fan schroud it will move front and back and a little up and down. hope this helps

Hendo67:
Thanks guys- I'll give both a shot.

Hendo67:
It actually was a combination of 3 things done incorrectly and 1 modification.

1. The fan shroud did need a little trimming at the carb opening.
2. The engine/ clutch stack was tilted a little.
3.  I didn't squeeze the starter coupler and start shaft together before tightening the grub screw.
4. The real head slapper.... I didn't put the engine shims in correctly.

It's all sorted now and looking like it should.

On another note- I'm enjoying this build about as much as my Kasama. Very high quality parts and excellent fit (if done right!).

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