Leroy
Here's where I got mine. I use the 1/8" for F1L and 3/16" for larger motors. For A6 or EZB I use the shafts from cotton swabs. Q-tips don't work. You have to get the imitation ones to get the hollow plastic shafts.
http://www.usplastic.com/catalog/product.asp?catalog%5Fname=usplastic&category%5Fname=119&product%5Fid=7892
----- Original Message -----
From: LeRoy C Cordes
To: Indoor_Construction_at_yahoogroups.com
Sent: Thursday, March 29, 2007 9:56 AM
Subject: Re: [Indoor_Construction] O-ring question
Fred, where do you get pneumatic tubing ?
LeRoy Cordes
In Downstate Illinois
On Wed, 28 Mar 2007 18:35:07 -0400 "Fred Tellier"
<fred-tellier_at_cogeco.ca> writes:
> I don't know many flyers who use rubber O rings they are way to
> heavy. Pneumatic tubing is available in many wall thickness and
> diameters, these are easy to make and I have never damaged a motor
> with them.
>
> Fred Tellier
> ----- Original Message -----
> From: dgbj_at_aol.com
> To: Indoor_Construction_at_yahoogroups.com
> Sent: Wednesday, March 28, 2007 5:45 PM
> Subject: Re: [Indoor_Construction] O-ring question
>
>
> Marty,
>
> I had another idea for making the O-ring removable. Fold the
> O-ring around
> the motor and put the two loops of the O-ring over the hook. I
> tried this
> with some of the O-rings I have and they were too stout to fold. I
> could place
> the O-ring on the far side of the hook and loop the loose motor
> through the
> back of the O-ring and around the wire, but this is not going to
> work with a
> wound motor, it is more difficult than attaching the wound motor
> without an
> O-ring. It might work with longer, thinner O-rings. I don't have
> any to try,
> you might be able to find some if you want to try this idea.
>
> Alternatively, a ring might be fabricated from steel wire in the
> same shape
> as a folded O-ring. It might be possible to use a loop of braided
> fishing
> line for this.
>
> My large O-rings weigh 0.043 grams each and the small ones weigh
> 0.0105
> each. Someone suggested the weight of the O-ring was not
> important. This poses
> a question that may be answered. Reducing the 0.6 gram motor
> weight by the
> 0.0105 gram O-ring weight reduces the available energy by 1.75
> percent. Is
> that enough to be important in a contest? If you are flying in a 9
> minute
> site, that is 9.45 seconds. If you are less than 9.45 seconds
> behind first
> place, it might be important.
>
> Gary Hinze
>
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>
>
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> Yahoo! Groups Links
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>
LeRoy Cordes
In Downstate Illinois
[Non-text portions of this message have been removed]
Received on Thu Mar 29 2007 - 08:18:51 CEST