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Recrimped Big Mama braid


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#1 MSwiss

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Posted 01 July 2019 - 12:14 PM

Unfortunately, most know that there is a problem with racer favorite, Big Mama braid, with it pulling out of the clip.

As far as I can tell, it's about 30%.

I have went ahead and recrimped/dimpled what I have in stock.

I don't have any instumention to scientifically test it, but IMO, it's probably now a little better than normal.

But without any instumention to scientifically test it, I'm just going to sell it at $1.60 pr. and guys can tug on it, at their leisure, to make sure they won't have a problem.

I'll post a pic of what they now look like, when I get to the raceway, a little later, once it's on the car.

$1.60 pr. - regardless of quantity

 

$1.60 pr. - if you want to crimp or tin it , yourself.


Mike Swiss
 
Inventor of the Low CG guide flag 4/20/18
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave., Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516





#2 jimht

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Posted 01 July 2019 - 02:19 PM

If you just soldered it you could charge extra.  :D 

 


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#3 airhead

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Posted 01 July 2019 - 02:33 PM

  Hit it with a hammer!!!


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#4 Don Weaver

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Posted 01 July 2019 - 04:08 PM

jimht has it right.  A little flux and solder solves the pull out problem and improves the conductivity at the same time.

 

Don


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#5 Rotorranch

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Posted 01 July 2019 - 04:50 PM

Parma had the same issue back in the mid 2000's. I'd just recrimp all braid with my pocket pliers.

 

Rotor


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#6 MSwiss

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Posted 02 July 2019 - 10:02 PM

If you just soldered it you could charge extra.  :D 
 

I remember watching Dick Pelletier, at an Elmsford race, doing "busy work", when he wasn't racing, soldering his braid.
 
He's pretty good with an iron. LOL
 
I'm OK too, but don't have the time.
 

  Hit it with a hammer!!!

I am using a hammer.
 

jimht has it right.  A little flux and solder solves the pull out problem and improves the conductivity at the same time.
 
Don

Like I mentioned to Jim, I don't have the time. Plus there is clean-up, chance of over tinning, etc.
I don't think "improves the conductivity" is the right term. Maybe lowers the resistance a minuscule. But not where you would see a performance gain, or everyone running at the front of the pack would be doing it.
 

Parma had the same issue back in the mid 2000's. I'd just recrimp all braid with my pocket pliers.
 
Rotor

Then not a problem for you.
 
Bottom line, it's an issue. I don't see Parma doing anything about all the braid out there, and I don't feel right selling it at full price.

20190702_220639.jpg
You can seethe dimpling, plus the marks on the braid, where I grabbed it with serrated jaw pliers, while holding the front of the clip, with another pair of pliers, and pulling on it.

20190702_220705.jpg

Marks on the other side of the braid, from my "torture test".


Mike Swiss
 
Inventor of the Low CG guide flag 4/20/18
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave., Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516


#7 NSwanberg

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Posted 03 July 2019 - 07:01 PM

Speaking of soldering, was Prime braid soldered by hand by someone with infinite patience or was the soldering incorporated in the manufacturing process? Does anybody know?


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#8 MSwiss

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Posted 03 July 2019 - 07:24 PM

IIRC, Prime's vendor had the optional Ungar X-2000 auto-solder attachment, on their slot car braid making machine.

Mike Swiss
 
Inventor of the Low CG guide flag 4/20/18
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave., Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516






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