HONEYBADGERFTW
New member
Posted this in “all other parts “ but maybe belongs here. I pulled this off my 390 shaft, what is it ?
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Shaft adapter ID
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Weird. Maybe it was used to connect something else to your engine that used some sort of splined connection. It's weird that the splines are twisted like that though
HONEYBADGERFTW
New member
I think it was used as either a liquid pump or air compressor to pressure liquid out. Came from a chemical spraying company. So maybe a skid spray part, but I don’t know. Still curious.
ezcome-ezgo
G'me sumthin to write on
Pump impeller.
HONEYBADGERFTW
New member
Yeah, that would make sense. Thanks.
self-en or self-disengaging equipment use twisted pinions occasionally,
so do worm gears, crown gears or any sophisticated gear train.
that thing is a pinion gear by the shape of it,
that looks like a curvilinear involute geartooth profile, does it not?
So it might have driven an impeller but it itself is not one
'sid
so do worm gears, crown gears or any sophisticated gear train.
that thing is a pinion gear by the shape of it,
that looks like a curvilinear involute geartooth profile, does it not?
So it might have driven an impeller but it itself is not one
'sid
HONEYBADGERFTW
New member
self-en or self-disengaging equipment use twisted pinions occasionally,
so do worm gears, crown gears or any sophisticated gear train.
that thing is a pinion gear by the shape of it,
that looks like a curvilinear involute geartooth profile, does it not?
So it might have driven an impeller but it itself is not one
'sid
You're most likely correct, drove an impeller but not the impeller itself per se.
I'm not sure if the prior owner cut a notch out of the keyway or if this adapter created a notch, but is it safe to use for a TC with regular keystock? I'm not sure what options are out there for repairing keyways.
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that looks like the keyways was chewed on by a too small key to me..
Don't worry about it too much, it's not pleasant and it'll occasionally make you aware of the imperfection (clonky sounds) but it will still work from what I can see.
use slightly oversized keystock (filed on the top to fit the clutch/TC and it'll be snug even.
You can however clean it up nicely and add a gentle weld bead to fix it if you so prefere
you only need to file the weld and thus keyway straight and to size afterwards
and it'll be as good as new.
'sid
Don't worry about it too much, it's not pleasant and it'll occasionally make you aware of the imperfection (clonky sounds) but it will still work from what I can see.
use slightly oversized keystock (filed on the top to fit the clutch/TC and it'll be snug even.
You can however clean it up nicely and add a gentle weld bead to fix it if you so prefere
you only need to file the weld and thus keyway straight and to size afterwards
and it'll be as good as new.
'sid
HONEYBADGERFTW
New member
Awesome, what I was hoping to hear! I had thought about the weld/filing to straighten the keyway, but I'll probably just leave it alone and use it since it's safe to do so, until I start upgrading and get a new crank.
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