Happy Valley
Active Member
After over an hour of searching and reading threads I couldn't come up with the answers that might be real simple.
Did what I thought was a careful install, Staton 1" friction drive, Robin engine on a 26" MTB frame and put 2 to 3 hours on the set-up so far.
Questions:
I've got a rythmic droning at mid-range rpms, pronounced if I hold the throttle steady, kind of a light vibration that disappears with more throttle. I also don't hear it at low rpms, just a certain range in the middle. Is that normal?
Also, I'd like to ask you friction drive users how much "scrub dust" from the tire do you get after a ride? If I ride for 15 or 20 minutes, I get a fine black dust on the back of the engine, enough to where I rag it down, particularly near the oil fill. Normal?
Thanks for any help.
Did what I thought was a careful install, Staton 1" friction drive, Robin engine on a 26" MTB frame and put 2 to 3 hours on the set-up so far.
Questions:
I've got a rythmic droning at mid-range rpms, pronounced if I hold the throttle steady, kind of a light vibration that disappears with more throttle. I also don't hear it at low rpms, just a certain range in the middle. Is that normal?
Also, I'd like to ask you friction drive users how much "scrub dust" from the tire do you get after a ride? If I ride for 15 or 20 minutes, I get a fine black dust on the back of the engine, enough to where I rag it down, particularly near the oil fill. Normal?
Thanks for any help.
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