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  #1  
Old 02-20-2021, 11:39 AM
JPage JPage is offline
 
Join Date: Dec 2013
Location: Purcellville, VA
Posts: 1
Default FS: Landoll Harmonic Balancer

(SOLD)

Landoll Harmonic Balancer. Weight: 10.8lbs.

Small ding at 6 o’clock courtesy of factory as delivered 28 service free years ago.

$220 shipped contiguous 48 states.
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RV4 (N54RV)

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Last edited by JPage : 02-20-2021 at 02:47 PM. Reason: Product sold
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  #2  
Old 02-20-2021, 11:43 AM
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vfrazier vfrazier is offline
 
Join Date: Jan 2007
Location: Mount Vernon, IN
Posts: 1,307
Default

I'll take it.

Vince Frazier
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  #3  
Old 02-20-2021, 01:51 PM
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TnMike TnMike is offline
 
Join Date: Nov 2009
Location: Lewisburg,Tn
Posts: 305
Default

Vince,
I hope you are going to take it apart and start machining/making them to sell.
I would like to have one again.
They are great balancers.
If you change your mind about buying it I want it.
Thanks,Mike
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  #4  
Old 02-20-2021, 02:13 PM
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Roadjunkie1 Roadjunkie1 is offline
 
Join Date: Jun 2017
Location: Erie, Colorado
Posts: 81
Default Landoll Harmonic Balancer

I'm not sure I would fly SuzieQ without one! I love mine! The pulses from a Lycoming running are pretty fierce and the balancer seems to smooth those out, even in the O-320. I grimace when I seen an engine with a wooden or fiberglass prop "slam" to a stop when they are shutting down. There is not enough mass/inertia in a light prop to let the engine slowly come to a stop. WHAM. There.......

Not sure why he stopped making them. I believe if someone were to take up the design there would be a market for them..... I'd buy this one and I don't even need one at this point.....worth their weight in gold, they are.....
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RV-4 2860
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Last edited by Roadjunkie1 : 02-20-2021 at 02:15 PM. Reason: Additional information
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  #5  
Old 02-20-2021, 02:54 PM
flyboyedwards flyboyedwards is offline
 
Join Date: May 2010
Location: Richland Center, Wisconsin
Posts: 35
Default Landfill ring

Were there 2 different versions of these? One being a weight ring and the other having a balancing fluid and disc? Seems like I read that years ago but forget the details. I have one on my 4 and it seems great.
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  #6  
Old 02-20-2021, 04:46 PM
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Roadjunkie1 Roadjunkie1 is offline
 
Join Date: Jun 2017
Location: Erie, Colorado
Posts: 81
Default Landoll Harmonic Balancer

Quote:
Originally Posted by flyboyedwards View Post
Were there 2 different versions of these? One being a weight ring and the other having a balancing fluid and disc? Seems like I read that years ago but forget the details. I have one on my 4 and it seems great.
There was one that was just a steel ring. Landoll had the weight inside the aluminum casing suspended in silicon oil, I believe. MUCH better.
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RV-4 2860
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  #7  
Old 02-21-2021, 09:15 AM
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vfrazier vfrazier is offline
 
Join Date: Jan 2007
Location: Mount Vernon, IN
Posts: 1,307
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I plan to take a look at making them. I doubt that they'll be cheap due to the LARGE size of the material required to make them, but we'll see.

I'd be VERY PLEASED to hear any real world reports from current users. If there are improvements possible, now's the time. Feel free to correspond with me at: vincefrazier@gmail.com PMs?.... please don't. They are too cumbersome to manage.
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www.f1aircraft.com
F1 Rocket and F4 Raider components
1-888-F1AIRCRAFT (1-888-312-4727)
www.flyboyaccessories.com
RV and Rocket Accessories, Tailwheels, Tools, & More
1-888-8FLYBOY (1-888-835-9269)

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F1-H Rocket "Crazy Horse" - sold
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  #8  
Old 02-21-2021, 09:37 AM
wilddog wilddog is offline
 
Join Date: Feb 2008
Location: va.
Posts: 587
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I added a harmonic balancer I picked up on eBay primarily for the nose weight to move my CG a little fwd. The XIO 370 and WW GA prop were already very smooth but the balancer has made it even smoother at all rpms.
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  #9  
Old 02-21-2021, 09:58 AM
BH1166 BH1166 is offline
 
Join Date: Nov 2017
Location: Eatonton Georgia
Posts: 343
Default Found this

Was going through box of stuff. Thought Id share.
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  #10  
Old 02-21-2021, 10:42 AM
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rolivi rolivi is offline
 
Join Date: Feb 2015
Location: Fort Worth
Posts: 540
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I have one of the steel ring versions at my hangar. Wanted it to bring CG forward a bit. Haven't installed it, yet(?).
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