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  #1  
Old 01-20-2021, 03:24 PM
erich weaver's Avatar
erich weaver erich weaver is offline
 
Join Date: Aug 2006
Location: santa barbara, CA
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Default Nordlock vs Safety Wire

Safety wiring my Whirlwind 200RV prop is a pain and I dread it. Is there any reason why Nordlock washers couldn’t be substituted? The promotional YouTube videos indicate they perform as good or better than safety wire in vibration tests and would certainly save time and aggravation.

Erich

Last edited by erich weaver : 01-20-2021 at 10:48 PM.
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  #2  
Old 01-20-2021, 03:38 PM
pa38112 pa38112 is offline
 
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I view them as two different things: The Nordloc washers prevent the bolt from making minor movement that will allow it to loose it's elongation. The safety wire keeps it from turning if it were to come loose. Safety wire is not going to do much to prevent very minor movement, so the integrety of the fastener relies on the bolt elongation. The safety wire is more there as a "Safety" Back-up.
I would think the best practice is to use a nordloc washer and then safety wire it.

What is it that you are finding difficult with the safety wire? If you watch a few You Tube videos you will pick up some tricks that make it quite simple and fun.
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  #3  
Old 01-20-2021, 04:29 PM
Mckay Mckay is offline
 
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My vote is proper safety wire can not be beat. Wire is not a secondary catch when properly done.
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  #4  
Old 01-20-2021, 04:53 PM
BobTurner BobTurner is offline
 
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Vans' answer to this question, at least for the RV-12, is in a post currently a few lines down titled "safety wire".
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  #5  
Old 01-20-2021, 06:40 PM
Pilot8 Pilot8 is offline
 
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0.041 safety wire on my prop bolts. Positive thinking may help, think: "maintenance is fun".
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  #6  
Old 01-20-2021, 07:24 PM
Scott Hersha Scott Hersha is offline
 
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Sensenich specifies/supplies Nord-lock washers for their propeller installation on my carbon fiber GA prop, including certified versions of these props.
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  #7  
Old 01-20-2021, 10:46 PM
erich weaver's Avatar
erich weaver erich weaver is offline
 
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Quote:
Originally Posted by pa38112 View Post
What is it that you are finding difficult with the safety wire? If you watch a few You Tube videos you will pick up some tricks that make it quite simple and fun.
Ha! Guess you donít have a Whirlwind 200RV prop!

E
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  #8  
Old 01-20-2021, 10:58 PM
erich weaver's Avatar
erich weaver erich weaver is offline
 
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Quote:
Originally Posted by BobTurner View Post
Vans' answer to this question, at least for the RV-12, is in a post currently a few lines down titled "safety wire".
To clear this up a bit, I believe the response above is referring to post #2 in the following thread:
https://vansairforce.net/community/s...ht=Safety+wire
where Scott from Vans indicates that Nordlocks are in fact used for retaining the -12 prop and safety wire is omitted

Erich
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  #9  
Old 01-21-2021, 06:21 AM
BH1166 BH1166 is offline
 
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Default Whirlwind

Their GA200L FP prop/spinner kit use nordlock. I also used them on brake calipers as well.
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  #10  
Old 01-21-2021, 07:42 AM
vic syracuse vic syracuse is offline
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We have been seeing the use of nordlocks on props, brake calipers, etc for quite a while now, and have been using them ourselves on brake calipers regularly. Saves time and seems to be very secure.

Vic
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