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Author Topic:   lame prop symptoms
gunnelgrabber posted 04-10-2002 12:47 PM ET (US)   Profile for gunnelgrabber   Send Email to gunnelgrabber  
i've never had the experience of having the prop hub go south on me.on a spare prop i was checking out it jeked and bumped a little at 1/2 throttle. is this what they do? is it less $ to rehub one (i hope ) than a ordinary prop job?...in the old days a broke shear was pretty dramatic...you knew immediately what the deal was! thanks...lm
Bigshot posted 04-10-2002 01:14 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Sometimes they jerk & grab.....sometimes they spin like you aree in neutral. Mark the back of the hub and a line on the prop. run it, if they are no longer aligned....you spun the hub. Cost is $40 by me to rehub.
gunnelgrabber posted 04-10-2002 02:30 PM ET (US)     Profile for gunnelgrabber  Send Email to gunnelgrabber     
10-4. and thanks...lm
jimh posted 04-10-2002 11:04 PM ET (US)     Profile for jimh  Send Email to jimh     
EVIDENCE OF "SPUN" HUB

If your propeller has a splined thrust washer (and most do), then look at the surface of the propeller hub which bears against the thrust washer. If the thrust washer and the propeller have not been locked in rotation (by the splines of the propeller shaft), then clear evidence of the rotation of the thrust washer against the propeller hub will be seen in the form of circular scratches in the two surfaces, generally in the propeller (because it is aluminum while the thrust washer is steel).

gunnelgrabber posted 04-11-2002 08:22 AM ET (US)     Profile for gunnelgrabber  Send Email to gunnelgrabber     
thanks,jimh and bs.that'll do me!... and "increase my awareness" as they say these days...lm

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