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November-2022
cmulder's

"Throttle and muffler contraption"



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Post  rsv1cox Fri Oct 21, 2022 12:24 pm

Maybe with a question mark.

There are a lot of goodies in there including Cox engines, mostly Cox engines.

ebay goodness P1014380
ebay goodness P1014379

Only opened one, alluded to in another thread. Gotta wait, leaves to mow, grass to cut, birds to feed, etc, etc,
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Post  rsv1cox Sat Oct 22, 2022 2:13 pm

Postman (Postman Always Rings Twice (novel JM Cain 1934, Lana Turner 1946) returned today with the rest of it.

ebay goodness P1014399
ebay goodness P1014400

But I opened this yesterday:

ebay goodness P1014401
ebay goodness P1014402

Trash Mustang and Corvair, plus another vintage .010 and still looking for canopys/trurrets.  

Lindberg Avenger motorized.  I remember building one of these small do-it-yourself motors as a kid.  Nerviously checking the parts I found three armature laminations missing, recovered the shipping box and found the eighth, still two missing.  Still trying to figure those canopies/turrets.  Kit's are cheap, eaiser that looking for those things alone.  Must have been a kid putting it together.  I don't understand the speckled paint, but he did a great job on detailing the crewmen.

ebay goodness P1014408
ebay goodness P1014407


ebay goodness P1014403
ebay goodness P1014404

ebay goodness P1014406
ebay goodness P1014405
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Post  rdw777 Sat Oct 22, 2022 6:52 pm

Neat old motor kit with the Avenger Bob….I hope you find the missing laminates….. A little later tech but I’ve assembled motor kits for airplane use…. Interesting process…

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Post  cmulder Sat Oct 22, 2022 7:36 pm

Unless you insist on exact original there is no problem with making those 2 rotor laminations from plastic sheet.
This will keep the rotor dimentions as designed at the expence of a little performance loss.
If you change out the old ferrite magnet with a modern "rare earth" version you stlll end up with a motor much stronger then original.
You could then also change the copper wire to a thinner version and wind more turns on the rotor.
This will reduce the rpm and increase torque for a more scale look while running.
Also if you have thin bronze tube that fit snug around the axle then using that as a bearing will improve the lifespan of the motor.

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