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Old 01-30-2018, 05:56 PM
TJCF16's Avatar
TJCF16 TJCF16 is offline
Join Date: Mar 2015
Location: Greenville SC
Posts: 194
Default Constant speed prop

I removed my c/s prop today to remove the light speed bracket Assy. There was quite a bit of gommy sludge in the crank shaft. Got most of it cleaned out. I was wondering what others use to clean the inside of crank?
Tim Crouch
RV-9A N626TC
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Old 01-30-2018, 05:59 PM
Join Date: Mar 2008
Location: Seattle
Posts: 1,412

Use a clean paper towel. Small bits of cellulose possibly left from the paper are not damaging as thread from a cloth rag could be.
Scott Emery
EAA 668340, chapter 326 & IAC chapter 67
RV-8 N89SE first flight 12/26/2013
Yak55M, and the wife has an RV-4
There is nothing-absolute nothing-half so much worth doing as simply messing around with Aeroplanes
(with apologies to Ratty)
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Old 01-31-2018, 05:31 AM
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Ironflight Ironflight is offline
VAF Moderator / Line Boy
Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,981

if The sludge is really thick, it can be hard to get with a paper towel, so I’ll use a long thin plastic scraper to carefully work it out. A West Systems stir stick (black plastic)works well. Lift the tail high so any debris falls out rather than in.
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
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