Go to Post i do not TOUCH the robot. i don't even press the load button or the reset button. nooo touchy. but i like it better like that, this way, when something goes wrong, i can wholly blame the electronics ppl - nehalita [more]
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View Poll Results: Chiaphua Motors: Good or Bad Addition?
Good 40 88.89%
Bad 5 11.11%
Voters: 45. You may not vote on this poll

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  #1   Spotlight this post!  
Unread 12-06-2002, 16:43
D.J. Fluck
 
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Chiaphua Motors: Good or Bad to 2002 Kit Of Parts?

Just curious, what did everyone think of the Chiaphua (AKA Atwood Mobile, Chalupa [sorry, team joke]) motor this year, Good or Bad?
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Unread 12-06-2002, 19:00
Andy A. Andy A. is offline
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I thought they were great... We had to drop them from our drive due to weight (they are hefty), but I still love to just hook them up to a battery and enjoy trying to hold onto them when they torque. They have some serious potential, much better then the van door motors

The one quibble is probably that funky gear on the shaft and the cluster... If only every motor were as easy as the drill motor...

-Andy A.
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Unread 12-06-2002, 21:25
Ian W. Ian W. is offline
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i loved those motors. gave us huge speed and power. heck, teamed up with the drill motors, we were almost unstoppable (yes, almost ). if they don't have them next year, i would be saddened, because those motors rock.
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Unread 12-06-2002, 21:54
D.J. Fluck
 
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Quote:
Originally posted by Ian W.
i loved those motors. gave us huge speed and power. heck, teamed up with the drill motors, we were almost unstoppable (yes, almost ). if they don't have them next year, i would be saddened, because those motors rock.
Yes you are right...but what if you went one step foward and added Fisher Price Motors to the assembly?
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Unread 12-06-2002, 22:51
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Chalupas are god!!!!!
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Unread 12-06-2002, 23:29
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So apparently it hangs......
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Thats quite impressive. Is the window motor for changing gears?
and how did you overcome the problem of popping breakers..espcially with treads.??


Chris
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Unread 12-06-2002, 23:54
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Shift on the Fly Gearbox...

Chris,

Yes,

The window lift motor was for shifting. We used it for our regionals. Then we switched to a non-pnuematic pump shifting system. All we did was fill up the accumulators before each match and they would enable us to shift more than we needed to for a certain amount of shifts...

Actually in the very beggining we did pop breakers because we were way too fast...then we geared down, and still had some problems under tuff pulling matches...So we figured out how to cool down the circut breaker with that "cold spray" stuff and that seemed to help a lot...

I dont have any photos of it yet, but i have this CAD pic...

http://www.theforumisdown.com/upload...a_asm_pneu.JPG

{edit} Copy and paste that URL
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  #8   Spotlight this post!  
Unread 13-06-2002, 01:50
D.J. Fluck
 
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That shifter was designed before nats, but it was built and mounted in a little over 2 hours on the Thursday of Nats
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Unread 13-06-2002, 13:48
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Interesting design. Care to explain any of it?
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Unread 13-06-2002, 14:09
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White paper is in the works

Jeff,

I'm working on a white paper which describes this design in detail (prints and all)... it should be done by Aug. 1st.

Actually, this design is alot like your team's gear shifting desgin. The way our gears engage and disengage is a bit different, and they were able to do this on the fly, but the overall concept is the same. We eventually got smart and actuated the shifter mechanism via pneumatics as DJ and Clark mentioned above.

Andy B.
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Unread 13-06-2002, 16:23
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Cool beans. I'll be eagerly awaiting your white paper. I'm interested to see how this drive of your works.
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Unread 13-06-2002, 16:38
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Re: White paper is in the works

Quote:
Originally posted by Andy Baker

I'm working on a white paper which describes this design in detail (prints and all)... it should be done by Aug. 1st.

Actually, this design is alot like your team's gear shifting desgin. The way our gears engage and disengage is a bit different, and they were able to do this on the fly, but the overall concept is the same. We eventually got smart and actuated the shifter mechanism via pneumatics as DJ and Clark mentioned above.

Andy B.
I am anxiously awaiting your white paper, and also seeing the machine in person. I really want to see how you did the shift on the fly. We've trashed entirely too many Bosch trannys. Fortunately none in competition. At least we've gotten pretty good at rebuilding them.

ChrisH
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Unread 13-06-2002, 20:28
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Would the "bad" voter care to explain why they did so? I'm not harassing you about this or anything, but I'd be interested to know why you don't like the Chiaphuas.
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Unread 13-06-2002, 20:58
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wasnt me

It wasnt me that voted for that, but i think i can see where the person is coming from....

If u dont have the resources to build something really "mechanical" to use these motors (gearboxes, etc.) then it stretches the "unfairness" (is that a good word?) of the competition in some sense...


---------------------------------------------------------------------------------

Back to the gearbox.

Here are some more pics (sorry you've gotta copy and paste the url the once "really cool" place i used to upload this pictures to has banned places like this from viewing the pictures)


http://www.theforumisdown.com/upload...602/tranny.JPG

http://www.theforumisdown.com/upload...2/DSCF0559.JPG

I may go over to our shop sometime soon so i can finally get some pictures of the pneumatic shifting.
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Last edited by Clark Gilbert : 13-06-2002 at 21:06.
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Unread 15-06-2002, 22:47
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They don't have as much power as the Drill Motors as FIRST has given us in the last couple of years.
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