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Author Topic: Clutchless Manual Tranny  (Read 2064 times)

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Online fabr

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Clutchless Manual Tranny
« on: May 16, 2010, 06:50:48 PM »
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Offline Enemy

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Re: Clutchless Manual Tranny
« Reply #1 on: May 16, 2010, 09:17:29 PM »
I have no clue on this, but is that anything like a Lenco tranny in the Pro-Stock cars Fabr?
Curious is all  ???
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Offline Enemy

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Re: Clutchless Manual Tranny
« Reply #2 on: May 16, 2010, 09:19:49 PM »
Damn that would be cool.   ;D ;D ;D ;D
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Online fabr

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Re: Clutchless Manual Tranny
« Reply #3 on: May 16, 2010, 09:22:08 PM »
Lencos are 2 spees planetaries stacked together to get whatever combination you want in a custom tranny. Way I take it is that this dude adapts an OEM tranny to function as an auto/manual.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline BDKW1

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Re: Clutchless Manual Tranny
« Reply #4 on: May 16, 2010, 10:04:59 PM »
I see a lot of drag in having multiple clutch packs. It would also make for longer shafts, more flex, high rotating mass.........The Wiesmann sprag tranny's are a way better set-up, just no decel braking........
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Offline Engineer

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Re: Clutchless Manual Tranny
« Reply #5 on: May 16, 2010, 10:08:52 PM »
Take a hell of a lot of adapting.

It is really just an automatic with a clutch for each gear.

A lenco is better IMO because as you shift each gear the clutch for that pack engages and removes the reduction of that pack and makes it 1:1.  With the Goatley, one pack has to disengage so the next can engage, so you either let it slip to neutral for a split second or you have two gears working against each other as the clutches trade.

A Liberty functions like a motorcycle tranny with dogs that grab the next gear forcing the lower gear to let go.  This is good because there is no power drain, but it smacks the motor really hard when it catches each gear.

It also seems like the goatley would be heavier overall.  Most OEM automatics and the lenco use multiple reductions, and as each is locked up to 1:1 you get closer to high.  The downside is all of the power is going through each stage either locked or unlocked.  If you have a failure you are walking.  With the goatley you may be able to limp home.  None of us have ever needed to do that.......
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Online fabr

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Re: Clutchless Manual Tranny
« Reply #6 on: May 17, 2010, 06:01:22 AM »
A lenco is better IF it can be used of course. A liberty is great for drag/road racing. The Goatly concept is sound. There's also a load of ideas that come to mind for adapting the idea to other uses also. Don't be so closed minded guys! LOL!!!!
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"
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