Dino Spadaccini
Key Veteran
Location: USA
| ja1010Ok let me try this again, First when you crash, 99% of the time you will need to replace the bearings that support the main shaft as they will get a flat spot on them where impact happened, causing two thing to happen if you do not replace them after the crash and you rebuild it one you may get RF noise and get glitches Two now that the bearings have flat spots on them, the main mast will not run true after spool up. Second of the two major things that happen when you crash a vigor cs, is the lower hub that bolts to the main mast will bend where the seesaw is, but you will never see it with your eyes the only way I caught it was when setting up the paddles I couldn’t get them to line up and there was always a small shake in the heli, i.e. the fins where the give away. The way I checked it was to remove the yoke assembly complete leaving the lower hub on the main mast and rotating it you will see it is out of round that was the tracking problem for me and the vibes went away after that to. The heli looks to be design that in a hard crash the lower hub will bend saving the yoke from breaking if you have the plastic one .The other problem we all know is the main mast stock ones are way too soft and will bend in a hard auto the same for the spindle the fix for this is to go with the Scott gray main mast, it is harder and hollowed out over the stock part. I would look at the spindle and the lower hub and even the main mast are known to bad from JR hope this helps.
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