Short Crank 3/4 Rotor Stationary Gears

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Old 08-27-12, 09:12 PM
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Mad Man

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Short Crank 3/4 Rotor Stationary Gears

Looking for some good pictures of short crank modified stationary gears. Would like to understand the machining on the housing/gear and carrier to hold them in the housings.

Thanks
Old 09-15-12, 12:34 PM
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2nd this.
Old 10-20-12, 02:57 AM
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Well? Is anyone going to show us???
Old 10-31-12, 10:54 AM
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Someone must have some info
Old 10-31-12, 12:16 PM
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a little searching...

https://www.rx7club.com/build-thread...-build-974831/
https://www.rx7club.com/old-school-o...roject-892879/

not sure what is so difficult about the search function and about 15 minutes time. those are the 2 best documented builds i have seen.

3 rotor isn't worth the effort when 3 rotors are readily available, somewhat. maybe if you were shooting for some astronomical numbers from the larger block.

Kiwi RE had pictures of their modified intermediate iron but their site is unavailable now.

Last edited by RotaryEvolution; 10-31-12 at 12:21 PM.
Old 11-01-12, 05:18 PM
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Will TIG for 20b

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I wouldn't even say "somewhat" available...I've been searching for months. Short crank 3 rotor seems like a good idea since you have your 12/13b irons machined for the center gear and then studs. All parts (minus the crank) would then be easily replaced.
Old 11-02-12, 10:42 AM
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have you posted a WTB for a 3 rotor? yes they may not be imported much but all the ones out there just didn't disappear from the face of the planet.
Old 11-02-12, 07:05 PM
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Here ya go-


Front view

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Rear view


Name:  DSC03412.jpg
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Old 11-02-12, 07:24 PM
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Thanks Logan. Is that a custom gear or is it a modified stock gear.
Old 11-04-12, 07:14 PM
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Modified stock gear essentially.
Old 11-04-12, 08:03 PM
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Will TIG for 20b

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Do you just use two 13b/12a rebuild kits with the short crank engines?

have you posted a WTB for a 3 rotor? yes they may not be imported much but all the ones out there just didn't disappear from the face of the planet.
Was told the disasters in Japan took out a lot of wrecking yards, not sure how many 20b's were affected?
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