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Skewed Russkit 22 arm


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#1 Dallas Racer

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Posted 17 November 2017 - 02:35 PM

Look how skewed the arm is in this eBay auction. That's not factory, is it?

 

https://www.ebay.com...ZMAAOSwPzhZ8-Ix

 

Russkit.jpg

 

 


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#2 Ramcatlarry

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Posted 17 November 2017 - 04:47 PM

Not likely.  Nice Porsche F-1 body.  Wish the body off photo was there to see if the motor has been apart.


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#3 havlicek

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Posted 17 November 2017 - 05:05 PM

I can say definitively NO.  I don't know what the heck this motor is all about, but as a Russkit "22" (*the far less desirable of the two Russkit "16" sized motors...the "23" being the one to get), they were only sold with regular straight lams, as was the "23".  More, the lams have been "polished" which again is not how the factory sold these.  The motor has been messed with by someone who either didn't have a clue, or who didn't give a dang...or both.


John Havlicek

#4 Bill from NH

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Posted 17 November 2017 - 05:33 PM

I agree with John that the motor has been messed with. I had some Russkit 22 lams rotate on the shaft when I was drilling for static balancing, but I didn't end up with a skewed arm.,


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#5 Tex

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Posted 17 November 2017 - 08:00 PM

I remember reading here on Slotblog about other motors with skewed lams. It was mentioned that some train motors had skewed lams presumably to effect smoother acceleration/decelleration.


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#6 Uncle Fred

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Posted 17 November 2017 - 08:05 PM

I think Globe motors had arms like that.  I tried that with some rewinds but no effect was noticed.


Fred Correnti

#7 Dallas Racer

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Posted 17 November 2017 - 09:14 PM

I didn't think that was stock, but I'm not that knowledgeable about vintage slots.

 

I remember John talking about skewed arms and trains in one of his threads. Probably the thread you read, Richard. That they have less cogging at low RPM, which would be beneficial for trains. That obviously doesn't serve much purpose for us.

 

Earily today I googled skewed arms and found train motors with flywheels. The flywheels are to give them momentum so the trains takes longer to stop, which is more realistic. Pretty cool!

 

Look how much skew this motor has (and the flywheels). You would think at some point too much skew would make it not run.

 

kato-new-2620.jpg

 

 


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#8 Old Pilot

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Posted 18 November 2017 - 05:26 AM

Seems to be a correct Ranalli Porsche F1, difficult to find body in good conditions. Best idea is to put a black 16d and do something or not with the russkit motor.


Jesus de la Peņa

#9 Dave Crevie

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Posted 18 November 2017 - 02:11 PM

I would say that someone tried to advance the timing by locking the arm with a screwdriver jambed in through the

side hole and turning the shaft with a pair of pliers. A common trick, even back then. Tied coms and epoxied arms

ended that. 



#10 havlicek

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Posted 18 November 2017 - 04:29 PM

BTW, it was Barney Poynor who clued me in to trying skewed-lams on slot car motors.  He had pictures of some pretty radical arms done that way by one of the well-known winders.  While they're a little more difficult to wind, there do seem to be advantages for slots.  ***As with a lot of these things, all it would take is for one hot-shoe to win a race with a skewed-lam arm loaded in the chamber and people would be clamoring for them :)


John Havlicek





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