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-   -   pic: 222 TIGERTRONS TEASER (http://www.chiefdelphi.com/forums/showthread.php?t=33339)

team222badbrad 24-01-2005 16:40
pic: 222 TIGERTRONS TEASER
 

Max Lobovsky 24-01-2005 16:41
Re: pic: 222 TIGERTRONS TEASER
 
Of course we are supposed to think 5 speed based on your previous design, but I think there maybe a problem with that. 5 speed with pneumatics would require at least three cylinders per shifter which sounds like a bad idea. It's possible they are using a servo instead.

abeD 24-01-2005 16:55
Re: pic: 222 TIGERTRONS TEASER
 
Hmmm...5 speeds or maybe 3 speeds with neutral positions??

Stephen Kowski 24-01-2005 17:05
Re: pic: 222 TIGERTRONS TEASER
 
Quote:
Originally Posted by Max Lobovsky
Of course we are supposed to think 5 speed based on your previous design, but I think there maybe a problem with that. 5 speed with pneumatics would require at least three cylinders per shifter which sounds like a bad idea. It's possible they are using a servo instead.
not neccessarily...the way they have it set up it it would/would have been feasible to use incremental control on their pnuematics....but either way i think this is either a joke, or not a useful component due to the game.....

MikeDubreuil 24-01-2005 17:36
Re: pic: 222 TIGERTRONS TEASER
 
It's also possible that the gearbox isn't shifted with pneumatics. It could be done with a threaded lead screw and a motor. Integrate a revolution sensor and it would work well.

henryBsick 24-01-2005 18:11
Re: pic: 222 TIGERTRONS TEASER
 
Quote:
Originally Posted by Max Lobovsky
Of course we are supposed to think 5 speed based on your previous design, but I think there maybe a problem with that. 5 speed with pneumatics would require at least three cylinders per shifter which sounds like a bad idea. It's possible they are using a servo instead.
After tinkering around with our 3 speeds from last year, we realized that it took almost no effort at all to move the shifting rod in and out to engage the gears by way of the balls. ;)

Tom Bottiglieri 24-01-2005 18:24
Re: pic: 222 TIGERTRONS TEASER
 
I expect the same 3 general speeds as last year, with an added high torque super low speed, and a "crazy kill anything in its path" high speed.

tkwetzel 24-01-2005 19:00
Re: pic: 222 TIGERTRONS TEASER
 
I think we will see 3 speeds from them again this year. I think 5 is a bit ambitious and very unnecessary. But if you do have a strong 5-speed in competition, good job and kudos to you.

Max Lobovsky 24-01-2005 19:07
Re: pic: 222 TIGERTRONS TEASER
 
Quote:
Originally Posted by Henry_222
After tinkering around with our 3 speeds from last year, we realized that it took almost no effort at all to move the shifting rod in and out to engage the gears by way of the balls. ;)
Servo it is.

russell 25-01-2005 00:04
Re: pic: 222 TIGERTRONS TEASER
 
I would think that three speeds should be more than sufficient this year. High speed for sprinting, medium for meneuvering, and low speed for pushing other bots around. Then again our team is about 300 years away from every making any kind of gearbox, or even modifying the stuff we have to even get two speeds.

team222badbrad 25-01-2005 11:56
Re: pic: 222 TIGERTRONS TEASER
 
Anyone every shift a manual quad or motorcycle?

Besides those electronic ones... ;)

camtunkpa 26-01-2005 08:30
Re: pic: 222 TIGERTRONS TEASER
 
Well everyone's been sorta correct....our transmission does have something to do the numbers 3 & 5. As far as that goes you're all gonna hafta wait and see exactly what it is. Brad, good post about the quad/motorcycle shifter.... ;)

team222badbrad 26-01-2005 11:10
Re: pic: 222 TIGERTRONS TEASER
 
Hmmm I can't remember the last time I subtracted...

petek 26-01-2005 12:32
Re: pic: 222 TIGERTRONS TEASER
 
I guess that no one reads white papers around here!

BTW, I think this is one really neat solution - my compliments!

BoyWithCape195 26-01-2005 13:29
Re: pic: 222 TIGERTRONS TEASER
 
Quote:
Originally Posted by petek
I guess that no one reads white papers around here!

BTW, I think this is one really neat solution - my compliments!

If you look at it more carefully, that is their 2004 transmission with 3 ball bearing "slots", but in the picture above, there are 5 of these "slots"

petek 26-01-2005 14:28
Re: pic: 222 TIGERTRONS TEASER
 
Quote:
Originally Posted by BoyWithCape195
If you look at it more carefully, that is their 2004 transmission with 3 ball bearing "slots", but in the picture above, there are 5 of these "slots"
And it also shows how a small pushrod is indexed through to sequentially engage the balls.

team222badbrad 22-02-2005 19:39
Re: pic: 222 TIGERTRONS TEASER
 
1 Attachment(s)
Looks like we fooled you all!

This year we only have a two speed shift on the fly just like last years except without the third speed.


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