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Cox Engine of The Month
"O" ring wheels
Page 1 of 1
"O" ring wheels
Because I have a few small electric motors - my preference is to use a prop saver on these. I invariably manage to lose the "o" ring after the propeller has plopped off.
I found that if you buy "o" rings from a "specialist" model store or an "o" ring designated for a prop saver through Fleabay - they are expensive - £1 for three.
However, wander down to the plumbers merchant and get a big bos with a variety of sizes for £5.
Trouble is - there are far too many large ones that I would never use.
Then while perusing the CEF Speed Contest forum - I saw what Roddie had done
and thought that's easy and another of his good ideas. I have hundreds of "o" rings.
So, a few minutes design and printing "et voila"
I found that if you buy "o" rings from a "specialist" model store or an "o" ring designated for a prop saver through Fleabay - they are expensive - £1 for three.
However, wander down to the plumbers merchant and get a big bos with a variety of sizes for £5.
Trouble is - there are far too many large ones that I would never use.
Then while perusing the CEF Speed Contest forum - I saw what Roddie had done
and thought that's easy and another of his good ideas. I have hundreds of "o" rings.
So, a few minutes design and printing "et voila"
ian1954- Diamond Member
- Posts : 2688
Join date : 2011-11-16
Age : 69
Location : England
Re: "O" ring wheels
Thise are kinda like the wheels that they use on the GWS slow stick. Nice and a good use of on hand parts. Do you have the STL for the wheels?
Jason_WI- Top Poster
-
Posts : 3123
Join date : 2011-10-09
Age : 48
Location : Neenah, WI
Re: "O" ring wheels
THANKS just gave me an idea I need a 1/2" tail wheel and would have to drive 30 miles to get it , if I can find something 7/16" round and make two pieces of thin ply and sandwich an o-ring in or on there ill have one cheap wheel as my labor is cheap!
getback- Top Poster
-
Posts : 10114
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: "O" ring wheels
Ian... I LIKE those wheels! I'll bet that the O-ring tire stretches onto the rim.. nice and tight too! Now you can make pairs of different sizes.. and tailwheels too!
Please see my question in your 3-D printing thread. Thanks,
Roddie
Please see my question in your 3-D printing thread. Thanks,
Roddie
Re: "O" ring wheels
I like it Ian. Do you take custom orders?
Cribbs74- Moderator
-
Posts : 11895
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: "O" ring wheels
Jason_WI wrote:Thise are kinda like the wheels that they use on the GWS slow stick. Nice and a good use of on hand parts. Do you have the STL for the wheels?
Hi Jason,
Check your mail.
ian1954- Diamond Member
- Posts : 2688
Join date : 2011-11-16
Age : 69
Location : England
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