fischer price motors

[Paul Marshall]

does anybody have the specs for the fishcer price motors or know where i can get them. specifically the amount of current they draw.

[Clark Gilbert]

You might want to look under the White Papers for something on motors....


maybe the "FIRST Motors, Etc. (spreadsheet)" on the first page could help....

[Joe Johnson]

From my memory, I think the stall current is somthing like 60 Amps. The free speed is 15K RPM. The stall torque is .3 N-m.

The spread sheet will have the true numbers, but the above numbers are prettty close.

Joe J.

[Ken Leung]

From the 2001 FIRST Robotics competition Manual, Robot Appendix: H Part specifications...

Can be found at http://www.usfirst.org/2001comp/Docs/
"The Robot - Part 4"

"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.

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)"

[Joe Ross]

The direct link to the spread sheet is: http://www.chiefdelphi.com/forums/pa...per&paperid=15

The fourth sheet has data for all the motors. The first three let you input the data about a specific motor and get plots for the power, efficiency, speed, etc with respect to torque.