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Mura can pins


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#1 blue&orange

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Posted 31 May 2018 - 08:19 PM

Having just waged a successful 12 minute battle against an old Mura B can motor, I offer for your consideration that one of the worst inventions in slot racing was those blasted Mura can pins. Even when constructing a period-correct '60s-'70s car, I refuse to reuse them. 

 

Thank you, Koford, for those button-head screws.


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#2 MSwiss

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Posted 31 May 2018 - 08:30 PM

Nail clippers usually work, but yes, a pain.


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#3 mark1

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Posted 31 May 2018 - 09:21 PM

I like Mura motors. Don't like those rivets one bit though. I have a good pair of small pliers that grab pretty nice. Give it a twist and the little &*%$))# comes out.


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#4 zipper

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Posted 01 June 2018 - 02:11 AM

Small and sharp wire cutters work well.
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#5 havlicek

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Posted 01 June 2018 - 05:27 AM

If you're careful and nail clippers don't work, you can cut a shallow slot in them and use a screwdriver to "press & turn" them out.  You may just get them to back out enough to grab them with the nail clipper, or you may get them all the way out (yes, they do have a sort of very shallow "spiral thread").  

 

There's also the risk of marring the outside of the can when grinding the slot. Oh... the pins will also ruin the nail clippers.  :)

It's both a wonder and a blessing that moderrn "sealed" motors don't use these things.  :D


John Havlicek

#6 Bill from NH

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Posted 01 June 2018 - 05:48 AM

I've never come across a slot racer who actually liked pintabs. I still have my nail clippers with jagged cutters from the '70s. :)


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#7 Pablo

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Posted 01 June 2018 - 06:33 AM

You call them "can pins."

 

I can't print what I call them.  :diablo: :dash2: :crazy:


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#8 Phil Hackett

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Posted 01 June 2018 - 09:30 AM

The good side of the pin tabs is they were fast and easy for Mura to assemble motors! (I just had to put *one* good reason for them.)


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#9 Champion 507

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Posted 01 June 2018 - 11:37 PM

Look what I have.   :laugh2:

 

m1.jpg


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#10 Bill from NH

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Posted 02 June 2018 - 06:11 AM

Doug, your pintabs look black. Is it the photo or has their plating tarnished? You don't use these on your drag motors, do you?

 

:)


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#11 Champion 507

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Posted 06 June 2018 - 01:38 AM

Yes Bill, they are black. I use them only when I am restoring a vintage Mura c-can motor and I want to duplicate the motor's originality.

 

Even though there is a package missing from this card, it was gone before I got this. This card was in a lot of 80's parts, mostly motor parts, I got on ebay maybe 5-8 years ago? Obviously, I haven't used these either. I have others I have removed from motors over the years in a parts box, and I won't run out of those any time soon.


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#12 Bill from NH

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Posted 06 June 2018 - 06:51 AM

The ones I had were plated, but I always threw them away. :laugh2: I think I have a Mura B-can motor I got in trade that uses them. Those ones I'll hang on too.


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#13 Mark Johnson

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Posted 01 September 2018 - 11:16 PM

the ones that I took out were fluted . turn left while pulling .



#14 Kim Lander

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Posted 02 September 2018 - 10:24 AM

Over the years I have used a pair of nippers that I bought along with other small bench tools,,,works like a charm...they look sorta like a pair od wire cutters with the nipping part out to the front. wish I knew how to post a picture of them but not too good on computers.



#15 Racer36

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Posted 02 September 2018 - 12:54 PM

Curse buttons...

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#16 havlicek

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Posted 03 September 2018 - 05:09 AM

Over the years I have used a pair of nippers that I bought along with other small bench tools,,,works like a charm...they look sorta like a pair od wire cutters with the nipping part out to the front. wish I knew how to post a picture of them but not too good on computers.

 

 

Sound like "end nippers" or "end cutters", as opposed to "diagonal cutters"...both electrician basic tools, and available in small sizes too...sometimes very small.  Here's a link to the bigger ones

https://www.zoro.com...eature-product?gclid=CjwKCAjwt7PcBRBbEiwAfwfVGNflwbrfAZ461dRTaco_ZTbnhGhyKT2UUa6PRPg7UCgpyvMhNvhKqBoCU0cQAvD_BwE&gclsrc=aw.ds

 

Here's a smaller one:

https://www.riogrand...-cutters/111261

 

The "pin tabs" are made from a hard steel, and will destroy the (*also hard steel) cutting edge of even good cutters unless you're REALLY careful.  Cheap fingernail clippers are "easier" to throw away than $20-30 hand tools, but whatever works for someone is the best tool!


John Havlicek





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