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  #1  
Old 12-04-2022, 12:23 PM
Rick RV-4 Rick RV-4 is offline
 
Join Date: Aug 2006
Posts: 343
Default Is a bad to let a propeller sit?

Hi all,

Iím slowly acquiring things Iíll need to finish my RV-10 build, knowing prices continue to climb and the time it takes for delays. That being said, Iím planning on buying a Whirlwind CS prop but wonít actually be ready to fly for at least two years. Is it bad for the prop to just sit on the shelf not being used? Any concern for seals going bad, or corrosion?

Thanks,

Rick
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  #2  
Old 12-04-2022, 12:28 PM
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Mike S Mike S is offline
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
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Default

Quote:
Originally Posted by Rick RV-4 View Post
Iím planning on buying a Whirlwind CS prop but wonít actually be ready to fly for at least two years. Is it bad for the prop to just sit on the shelf not being used? Any concern for seals going bad, or corrosion?
Methinks you should be asking Whirlwind.
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Mike Starkey
VAF 909

Rv-10, N210LM.

Flying as of 12/4/2010

Phase 1 done, 2/4/2011

Sold after 240+ wonderful hours of flight.

"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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  #3  
Old 12-04-2022, 04:55 PM
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catmandu catmandu is offline
 
Join Date: Dec 2005
Location: Sierra Nevada
Posts: 1,112
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Also consider when a manufacturer starts the warranty clock (at sale, at installation, etc.).
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Sierra Nevada
RV-6A bought flying SOLD
Super-8 bought flying
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  #4  
Old 12-04-2022, 05:48 PM
D-Dubya D-Dubya is offline
 
Join Date: May 2009
Location: Beaumont, Texas
Posts: 237
Default

Not to mention that the clock starts ticking on the first prop inspection. There are calendar-based as well as operating hour-based guidelines for sending it to the shop for an inspection that every manufacturer has. My Whirlwind prop listed 650 hours or five years, but they all vary somewhat.

After the calendar time has passed, they'll replace O-rings and seals as well as inspect for corrosion (at a minimum), even if you don't have the first hour flying on it. Yes, that happened to me when I bought a prop on a group buy here. While I did get a good price, that was eroded away with the first inspection that ran about $1K.

You'll need the prop to fit the cowling, but I wouldn't be in too much of a hurry to buy one prior to that.
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  #5  
Old 12-04-2022, 07:07 PM
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D Weisgerber D Weisgerber is offline
 
Join Date: Sep 2019
Location: Ionia Michigan
Posts: 399
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The lead times for Whirlwind Propellers isn't very much. I ordered one last summer and got it in less than 6 weeks.
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Dave Weisgerber
RV8 N848DW. Ser#83830 done.
James Cowl
DAR inspection on 7-23-2021
First flight on 7-25-2021
Phase 2 on 9-3-2021
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  #6  
Old 12-04-2022, 08:10 PM
Norman CYYJ Norman CYYJ is offline
 
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Location: Victoria B.C.
Posts: 1,522
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Propellers should be kept spinning as much as possible with the owner behind them at the controls.
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  #7  
Old 12-05-2022, 09:59 AM
Rick RV-4 Rick RV-4 is offline
 
Join Date: Aug 2006
Posts: 343
Default Thanks all

Thanks for the advice. Wait I shall, and did not realize WW had caught up with their production this much. Thatís good news!
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