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Backtrack "2 True" Heavy Duty Dual Tire Truer


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#31 MSwiss

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Posted 01 May 2013 - 11:12 AM

Geary is hoping to bring by a couple of the production models by this weekend.
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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.





#32 MSwiss

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Posted 12 May 2013 - 04:04 PM

Geary was at both Chicagoland Speedway and Chicagoland Raceway, today.

 

Chicagoland Speedway, to ride and drive in an open wheel style car.

 

Chicagoland Raceway, to drop by a couple of the "2 True", production tire truers.

 

They came out terrific.

 

Some pics and updated info will follow.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#33 MSwiss

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Posted 12 May 2013 - 04:17 PM

Here it is.

 

I'll be making multiple posts, showing all it's great features.

Attached Images

  • 100_9100.jpg
  • 100_9101.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#34 SlotStox#53

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Posted 12 May 2013 - 04:29 PM

It certainly did come out looking terrific Mike :)

Has a look of real sturdy build quality ,very nice alternative to a hudy. If I was in the market for a tire truer would definitely look closely at this one.

-Paul
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#35 MSwiss

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Posted 12 May 2013 - 04:30 PM

Ultra-heavy duty 3/8" drum shaft, along with the 1 1/2" large dia., truing drum, both firsts, for a

commercially available slot car tire truer. (AFAIK :) )

Attached Images

  • 100_9102.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#36 MSwiss

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Posted 12 May 2013 - 04:36 PM

Despite the ultra-heavy duty 3/8" shaft and bushings, easy access, oiling holes.

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  • 100_9106.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#37 MSwiss

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Posted 12 May 2013 - 04:42 PM

The pivot pin on the left, interacts with...........

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  • 100_9107.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#38 MSwiss

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Posted 12 May 2013 - 04:46 PM

..... the allen screw adjustment on the right, to dial in the same diameters

for both sides of the machine, in the process, creating virtually zero taper.

 

The truing carriage is pulled against that adjustment set screw by one of the pulleys.

Attached Images

  • 100_9105.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#39 MSwiss

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Posted 12 May 2013 - 05:10 PM

Quality knurled brass feed screw.

 

Beefy, vertical stop arrangement allows easy installation and removal

of  Allen bolt/lock assemblies for preset diameters.

 

Want to cut a bit oversize?

 

Just lay a shim on top of the horizontal section of the truing carriage, beneath the tip of the bolt.

 

Also, that large area to the left of the brass feed screw works well to "paddle" manually, with your left thumb or fore finger.

 

IE- to quickly true up an old pr. of tires to the largest diameter possible.

 

"Disable"/remove the stop screw.

 

1) feed the smaller appearing tire until you get a "solid" grind.

 

2) leave the brass feed screw alone, it becoming your hard stop.

 

3) paddle the tire away from the grinding wheel and switch off the machine.

 

4) install the the other tire.

 

5) paddle the tire away from grinding wheel and turn on the machine.

 

6) paddle the tire into the grinding wheel slowly, eventually letting it up against the brass feed screw.

Attached Images

  • 100_9110.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#40 MSwiss

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Posted 12 May 2013 - 06:03 PM

Pictured is the "2 True" next to an old  Lee Roberts/Wrightway truer.

 

Excluding the A/C power cord hanging off the base to the left, the 2 True is: 

5.5" deep

5.5" wide at the back , by the motor

4" wide at the front

3.25" tall

 

2 lbs, 8 oz.

 

The Wrightway is 1 lb., 5 oz.

 

Of course, keep in mind, you can leave your power supply at home when using the A/C motor

powered, 2 True.

Attached Images

  • 100_9099.jpg

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#41 MSwiss

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Posted 12 May 2013 - 06:18 PM

The 2 True will come "stock" with two fine grit drums.

 

A N/C option will be to mix drum coarseness, or for guys only using it to rough tires,

have two coarse drums.

 

I used the original prototype 2 True with two coarse drums, and it cut like butter, but left fine grooves in the rubber.

 

IMO, a practical way to go for guys who make their own tires, is to have a coarse drum on the left, and a fine drum on the right.

 

You could cut oversize, using the method I mentioned before in post #39, putting a shim temporarily in place under the dia. stop screw,

rough cut on the left size , move the tire to the right size, remove the shim, and cut to preset (final) dia. that corresponds to your screw combo.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#42 Mike K

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Posted 12 May 2013 - 06:19 PM

Nice work by Geary, as always! Mike, when do they ship?
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Mike Kravitz
 
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#43 MSwiss

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Posted 12 May 2013 - 06:46 PM

The unit comes set up for 3/32" tires.

 

It uses a stepped down 1/8" axle that rides in 1/8" bushings.

 

The 2 True is adjusted , using 2 identical size jig wheels.

 

It should be real close each time, but like the Hudy, getting it perfect will be the responsibility of the purchaser.

 

The design of the adjustment system should make it as painless as economically possible.

 

Cutting 1/8" tires is a matter of switching to a 1/8" axle.

 

A possible option, I will run by Geary ASAP, will be an axle  that is stepped down to 3/32" only on one side,

so you can cut either size tire, without changing axles, albeit, only one at a time.

 

The price is now officially $300 retail.

 

Higher than the original rough estimate, partially because of higher parts costs than expected,

but mostly due to increasing the profit margin to raceways, to make it substantially more than

the pitiful one on Hudy tire truers.

 

These first two are going out to the first guys who ordered them.

 

I have quite a long list of guys who expressed interest/ordered them.

 

Please contact me to confirm if you still want them, and if you have any special drum or axle requests.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#44 stemmy

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Posted 12 May 2013 - 07:13 PM

How much are these.
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Blair Stem

#45 MSwiss

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Posted 12 May 2013 - 07:23 PM

See post #43. (the one above yours)


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#46 John Streisguth

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Posted 12 May 2013 - 09:09 PM

Wow, what a nice piece of workmanship.  Top notch!


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#47 MSwiss

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Posted 12 May 2013 - 10:13 PM

 

 

A possible option, I will run by Geary ASAP, will be an axle  that is stepped down to 3/32" only on one side,

so you can cut either size tire, without changing axles, albeit, only one at a time.

 

 

Geary confirmed that he would be happy to do a 3/32"/1/8", combo axle, and if ordered ahead of time, would be no additional charge.

 

Spares axles of both types will be available, along with spare drums.

 

Price TBD.

 

 

Wow, what a nice piece of workmanship.  Top notch!

I'm sure Geary will appreciate the kind words.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#48 MSwiss

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Posted 13 May 2013 - 04:27 PM

I got a good question late, last night, asking some info I meant to provide, but forgot.

 

The capacity of the machine.

 

As is, it will go from smaller than you'll ever need for Eurosport, .580"-, to about 1.360".

 

On the slight chance you would need smaller (for some sort of small dia. front wheel ??), you would install a smaller O ring,

to pull the truing carriage in closer.

 

You might need a longer bolt for your stop.

 

For larger, you could get 1.5" + by removing material from the top of the base, under the truing carriage.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#49 Ralph Thorne

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Posted 13 May 2013 - 06:31 PM

What speed does this cut at?
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#50 MSwiss

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Posted 13 May 2013 - 07:03 PM

I couldn't quote an RPM, but it's on the slower side, which is easier to get away with,

with the large dia. drums.

 

You certainly aren't getting any over expansion, like you do when you zing up a Hudy.

 

I should of posted a video of grinding a tire while I had a prototype in my possession.

 

I can still fire up the production model I didn't ship today, waiting for some further info from the customer,

to possibly give you an idea.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#51 Dennis David

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Posted 13 May 2013 - 07:17 PM

I can't wait to get mine. It looks even better than I expected.
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Dennis David
    
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#52 MSwiss

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Posted 13 May 2013 - 09:42 PM

A few more updates.

 

The below axle options will be available N/C, if pre-ordered, to come installed in the machine.

 

3/32" both sides (stock-if not specified)

 

1/8" both sides

 

2 MM both sides

 

3/32" one side & 1/8" other side

 

3/32" one side & 2 MM other side

 

Also, if someone needs more than a 1.360" max. capacity, it will be available on special order. $10 extra, retail.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#53 MSwiss

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Posted 13 May 2013 - 10:02 PM

What speed does this cut at?

Ralph,

 

Here's at least something.

Attached Files


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#54 welslotcar

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Posted 14 May 2013 - 12:13 AM

Will the axle options be available separately, and if so, will they be user-installable?


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Bill Leone

#55 MSwiss

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Posted 14 May 2013 - 10:01 PM

Will the axle options be available separately, and if so, will they be user-installable?

Yes, they will be available. Price TBD.

 

Yes, they are user-installable.

 

According to my attached video, it takes about 30 seconds.

 

I did cheat and filmed myself taking out a double 1/8" axle (really just a stock 1/8" axle) and re-installing

the "stock", double 3/32" axle that had to go back on, before it was shipped out today, to Pacific Slot Car Raceways.

 

Having an axle with a smaller dia., ground down end, made it easier to "find" and feed it through the 1/8"

bushings and 1/8" hole in pulley.

 

BTW, while it looks like a standard tire wrench that I was using, it had a 1/16th" Allen tip in the handle.

Attached Files


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#56 welslotcar

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Posted 15 May 2013 - 06:08 AM

Yes, they will be available. Price TBD.

 

Yes, they are user-installable.

 

According to my attached video, it takes about 30 seconds.

 

I did cheat and filmed myself taking out a double 1/8" axle (really just a stock 1/8" axle) and re-installing

the "stock", double 3/32" axle that had to go back on, before it was shipped out today, to Pacific Slot Car Raceways.

 

Having an axle with a smaller dia., ground down end, made it easier to "find" and feed it through the 1/8"

bushings and 1/8" hole in pulley.

 

BTW, while it looks like a standard tire wrench that I was using, it had a 1/16th" Allen tip in the handle.

 

Thanks for the good news.


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Bill Leone

#57 kvanpelt

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Posted 15 May 2013 - 10:28 AM

Would a spring fit under the knurled knob to allow hands free truing?
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Kevin VanPelt

#58 MSwiss

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Posted 15 May 2013 - 11:32 AM

In lieu of hands, what do you go with, mental telepathy ? LOL

 

We can talk about it tomorrow.


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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#59 MSwiss

MSwiss

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Posted 24 May 2013 - 08:09 PM

Guys have been PM'ing me, a bit skeptical if it will really cut 2 tires the same size, or lamenting how the original one

from years ago, from someone else, didn't.

 

Haruki Kan, who bought 2 for his raceway, was nice enough to let me get his dirty/rubbery, testing them out.

 

I wanted to see how close they are from Geary and how easy they would be to adjust.

 

The first one I checked was about .005"-.006" off.

 

The second one was about .003"-.004" off.

 

You need a 5/32" Allen wrench to loosen the carriage screws and a regular .050 tire wrench

for the adjustment set screw.

 

The first one took about 3-4 tries to correct it.

 

The second one, with having a little better feel , with the adjustment screw, took 2-3  tries.

 

They now are both as close as you can get them, considering without a laser mic, measuring a tire,

 

will get you (or at least me) a measurement that will vary, a .001" or so, each time you do it.

 

Below are pics of the 3 pr. of tires I cut after adjustments were made.

 

Earlier this evening, I  measured them in front of a customer, using a device of Ray Prices,

shown below, (I drop them through digital calipers, myself)

 

Along with agreeing on the accuracy of the size, he commented how nice the quality of the finish was.

 

The below tires are 2 different pr. of Koford SSW wonder and 1 pr. of JK  untreated, natural.

 

I've shipped the first ones to raceways that have ordered them.

 

Geary said he should have a whole slew, in approx. the next 10 days, to cover all my

orders from individuals.

Attached Images

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Mike Swiss
IRRA™ Components Committee Chairman
Eight-time G7 King track single lap World Record holder
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)
 
Chicagoland Raceway
2255 Maple Ave
Downers Grove, IL 60515
(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
Make checks out to Chicagoland Woodworking, Inc.


#60 Dominator

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Posted 25 May 2013 - 04:05 PM

Look pretty good to me.


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A motor is only as fast as the chassis it's in.

 

Dominic Luongo






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