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03-06-2019, 11:25 AM
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Join Date: Mar 2017
Location: Birmingham, Alabama
Posts: 1,643
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Nose Wheel Breakout Force
Have any of you had to re-adjust the nose wheel breakout force after flying for a while?
__________________
RV-14A #140376
N196 (Flying)
2019 Bronze Lindy
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03-06-2019, 12:38 PM
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Join Date: Aug 2015
Location: Leesburg, VA
Posts: 492
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Yes, mine went loosened up to 16lbs before I was finished with phase 1. Tightened back up to spec and I'll check it again before leaving for SNF.
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03-06-2019, 01:14 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by bkervaski
Have any of you had to re-adjust the nose wheel breakout force after flying for a while?
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Some loosening after gaining time in use is totally normal.
I usually recommend that people check it (regardless of RV model) after 30-40 hrs and then again at 100.
After 100 it usually doesn't change much.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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03-06-2019, 04:08 PM
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Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,474
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My question is how often does the tightening after 30 and 100 hrs require drilling new holes for the cotter key? I got lucky the first time
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03-06-2019, 04:39 PM
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Join Date: May 2005
Location: Florida
Posts: 774
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Don't be afraid to tighten a bit over specs. All of the Bellvile washers flatten out over time. If you feel even a slight vibration on taxi or landing, tighten immediatly. Do not lube the Bellville washers. They are supposed to rub against one another dry. Cheers.
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03-06-2019, 05:59 PM
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Join Date: Mar 2017
Location: Birmingham, Alabama
Posts: 1,643
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Quote:
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My question is how often does the tightening after 30 and 100 hrs require drilling new holes for the cotter key? I got lucky the first time
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 same here
Quote:
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Don't be afraid to tighten a bit over specs.
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Good to know!
__________________
RV-14A #140376
N196 (Flying)
2019 Bronze Lindy
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03-06-2019, 07:48 PM
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Join Date: Apr 2010
Location: Chicago, IL
Posts: 356
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Have tightened twice now in 240 hours.
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03-07-2019, 10:09 AM
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Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,196
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Quote:
Originally Posted by mturnerb
My question is how often does the tightening after 30 and 100 hrs require drilling new holes for the cotter key? I got lucky the first time
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On my RV-10, I've had to tighten twice over the first three year period, each time requiring a new hole. It's been three years since the last time and the tension is holding every time I check it.
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03-07-2019, 10:49 AM
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Join Date: Oct 2007
Location: Sacramento, CA
Posts: 3,351
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On My RV7A, I checked at each annual and never had to tighten it, though I had started a bit higher than recommended. I will be checking the 14A in the next few days to see if it needs any changes. So far, no shimming has been noticed.
__________________
Mehrdad
N825SM RV7A - IO360M1B - SOLD
N825MS RV14A - IO390 - Flying
Dues paid
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03-07-2019, 11:44 AM
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Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,474
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Quote:
Originally Posted by rleffler
On my RV-10, I've had to tighten twice over the first three year period, each time requiring a new hole. It's been three years since the last time and the tension is holding every time I check it.
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Like all things RV, what I dread (drilling those new holes) will be no big deal but the thing that looks "easy" prospectively will be hard.
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