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Author Topic: Small Helix Gears by  (Read 2301 times)

Offline Ken K

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Small Helix Gears by
« on: September 23, 2014, 05:43:58 AM »
 I have the plans for a small engine, but it has a side shaft , and I can not find the  2 to 1, left hand, helix gears in a small size. Would like the gears to be smaller then .4" in diameter. Can any one help me ?
Ken K
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Offline gbritnell

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Re: Small Helix Gears by
« Reply #1 on: September 23, 2014, 01:05:57 PM »
Hi Ken,
If you feel adventurous you could always make your own. Chuck Fellows has a thread on making just such gears and he along with Marv Klotz came up with a spreadsheet that will give you the required numbers. I have made my own and was very happy to have accomplished yet another gear making project.
gbritnell
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Offline Jo

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Re: Small Helix Gears by
« Reply #2 on: September 23, 2014, 01:22:11 PM »
Ken what sizes are you looking for?

Pairs of 64DP gears are available off the shelf 10/20 teeth = 0.221"/0.442"

Jo
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Offline Jasonb

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Re: Small Helix Gears by
« Reply #3 on: September 23, 2014, 01:30:51 PM »
The L/H are special order from HPC Jo.

Ken did you want equal dia gears? with different helix angles on the two to give the 2:1?
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