Thread: Fischer Price Motor help needed
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Unread 06-23-2002, 10:07 PM
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#0047 (ChiefDelphi)
  
Join Date: May 2001
Location: Pontiac, MI
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rules and chiefdelphi.com to the rescue!!!
Posted by Joe Johnson.   [PICTURE: SAME | NEW | HELP]


Engineer on team #47, Chief Delphi, from Pontiac Central High School and Delphi Automotive Systems.

Posted on 10/27/99 5:42 PM MST


In Reply to: Fischer Price Motor help needed posted by Andy Grady on 10/27/99 4:21 PM MST:



Andy,

I am sure I have all this at the office. But... I think it was in last year's rules also (good old appendix H as I recall). As to problems with the motors/gearboxes, I know that a lot of teams had problems, but not all teams. One team basically replaced them after X rounds because they knew that after (X+1) rounds a gear would strip. Also, as I recall, some team posted on our old forum (link below) a Boston Gear that they modified to give them the long life they needed.

Try to rules from 1999 and our 'old forums' If you still have trouble let me know, I will try to re-post some of the info I have.

Joe J.

P.S. I found some info in the old rules Team Update #2:

FISHER-PRICE MOTOR INFORMATION
The following are approximate performance data for the Fisher-Price motor/gearbox
sets supplied in the kits. The motor used is a Mabuchi model RS-550PF-6534.
Teams wishing to obtain spare Fisher-Price motors, gearboxes, and switches should
purchase the Xtreme Machine model of Fisher-Price Powerwheels vehicles and remove
the motors, gearboxes, and switches.
Motor no-load speed 15,000 RPM
Motor stall current 57 A
Motor stall torque 0.363 N-m
Gearbox ratio 147:1
No-load speed w/gearbox 100 RPM (estimated)
Stall torque w/gearbox 34.7 N-m (estimated)
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