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Old Mar 24, 2015, 03:13 PM
Registered User
United States, NJ, Sparta Township
Joined Mar 2007
1,024 Posts
Discussion
Prop Savers

What is the deal with prop savers. It looks like O rings dry out and break when on a plane for a couple months. Is there a fix for this or is this normal in dry conditions.Is there something better than the black O ring prop savers? Thanks Ron
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Old Mar 24, 2015, 04:12 PM
Build straight - Fly twisty
Whiskers's Avatar
Australia, QLD, Little Mountain
Joined Feb 2010
4,558 Posts
Silicone rubber is the material to use. Do a search for silicone rubber rings.
They are used for many things, from jewelry making to castrating animals.
But with anything you choose do not wait "a couple months" to replace them.
As a mission critical part they need frequent inspection and replacemant.
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Old Mar 24, 2015, 05:04 PM
Registered User
United States, NJ, Sparta Township
Joined Mar 2007
1,024 Posts
Quote:
Originally Posted by Whiskers View Post
Silicone rubber is the material to use. Do a search for silicone rubber rings.
They are used for many things, from jewelry making to castrating animals.
But with anything you choose do not wait "a couple months" to replace them.
As a mission critical part they need frequent inspection and replacemant.
Thanks very much. Ron
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Old Mar 24, 2015, 08:45 PM
SlingWinger
San Bernardino, California, United States
Joined Oct 2004
1,812 Posts
Buy silicone tubing and slice off whatever width ya want.
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Old Mar 24, 2015, 09:19 PM
Kimbers Keeper.
Joined Nov 2014
646 Posts
I take the orings off and store them in a baggie in a dark place.
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Old Mar 24, 2015, 10:32 PM
Frequent Flyer
whitecrest's Avatar
Orleans, MA
Joined Feb 2007
2,148 Posts
Here's a source for metric silicone o-rings:
http://www.oringsandmore.com/metric-silicone-orings/

They are specified by inside diameter and cross section thickness. Silicone does hold up very well.
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Old Mar 25, 2015, 04:11 AM
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epilot's Avatar
Faroe Islands, Sandoy, Sandur
Joined Nov 2000
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I use ordinary cheap rubber bands and change them frequently.
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Old Mar 25, 2015, 06:50 AM
Registered User
United States, NJ, Sparta Township
Joined Mar 2007
1,024 Posts
Thanks all! Did any of you try sling shot gum rubber, a cross section of the rubber tube? Ron
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Old Mar 25, 2015, 07:25 AM
Canadian Bacon
flypaper 2's Avatar
Kingston, Canada
Joined Jun 2004
13,780 Posts
Best stuff I found is Theraband silicon rubber tubing you can get at any of the health/ medical supplies stores, used for exercising. Comes in different colours for different strengths. I found the blue the best for our purposes. Can be cut to different lengths for different motor sizes. Knife and scissors work to cut it. Indoor planes and such, I cut about 1/16 thick. Bigger planes are about 1/8 to 3/16 thick. I use a pair of bent nose needle nose pliers to install. You can see it here on the Deltaray.

Gord.
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Old Mar 25, 2015, 07:43 AM
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United States, NJ, Sparta Township
Joined Mar 2007
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Quote:
Originally Posted by flypaper 2 View Post
Best stuff I found is Theraband silicon rubber tubing you can get at any of the health/ medical supplies stores, used for exercising. Comes in different colours for different strengths. I found the blue the best for our purposes. Can be cut to different lengths for different motor sizes. Knife and scissors work to cut it. Indoor planes and such, I cut about 1/16 thick. Bigger planes are about 1/8 to 3/16 thick. I use a pair of bent nose needle nose pliers to install. You can see it here on the Deltaray.

Gord.
Will try to search this out. Cool! Ron
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Old Mar 25, 2015, 08:53 AM
AKA Don
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United States, MI, Houghton Lake
Joined Dec 2002
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Quote:
Originally Posted by darticus View Post
Thanks all! Did any of you try sling shot gum rubber, a cross section of the rubber tube? Ron
Yes sling shot rubber is normally silicon tubing and about the right size. It is often easy to find at Walmart and sporting goods stores.

I have seen silicon tubing at Home Depot, Lowes, and local hardware shops.

The best way to cut "slices" off silicon tubing is to use a Toe nail clipper for a large dog. They are available at pet supply shops.
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Old Mar 25, 2015, 06:51 PM
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United States, CA, Covina
Joined Jan 2014
8 Posts
I normally will get a 700c bicycle inner tube and just cut it in half. I can get almost a life time supply of prop saver bands for 2.50
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