Reedy Mr. Series Ultra Motors

[Dangeruss]

Introduced in 1990 for off-road applications Reedy's Mr. Series Ultra motors were manufactured in cooperation with Yokomo Co. ltd. The new motors featured a revised can design that contained higher strength "Ultra Torque" magnets, built-in brush heat sinks on the endbell and each motor included a conversion kit with new brushes and springs for on-road use. In total, 27 configurations would be released, each bearing a small decal on the can label identifying which model the motor was:

501 17x4 Mr. K's
502 16x3 Mr. R's
503 14x4 Mr. D's
504 13x4 Mr. C's
505 12x4 Mr. J's
506 13x3 Mr. E's
507 12x3 Mr. H's
508 14x3 Mr. A's
509 14x2 Mr. L's
510 11x3 Mr. T's
511 19x3 Mr. N's
512 13x2 Mr. M's
513 15x4 Mr. F's
514 15x3 Mr. B's
515 10x4 Mr. X's
516 12x2 Mr. S's
517 11x2 Mr. O's
518 11x4 Mr. G's
519 10x3 Mr. Y's
520 10x2 Mr. ?'s
521 16x2 Mr. Z's
522 12x1 Mr. !'s
523 15x2 Mr. Q's
524 12X2 Mr. BK's
000 10X4 Mr. I's
000 16X4 Mr. V's
000 11X3 Mr. W's

Part number/winding information courtesy of lowgear's "Ultimate Vintage Brushed Motor Reference Guide"
https://www.rc10talk.com/viewtopic.php?t=18586

[jcwrks]

I picked this Mr. H up from Mike Ebert several years ago. Hand tuned by Mike Reedy for one of his indoor races.

[Dangeruss]

I picked this Mr. H up from Mike Ebert several years ago. Hand tuned by Mike Reedy for one of his indoor races.

[Lavigna]

Peek-a-boo