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Kurtis Indy Roadster Proxy rules - first draft


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#1 MSwiss

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Posted 22 January 2013 - 10:44 PM

Proxy racers,

Feel free to post on all the pertinent points on car specs, I inevitably missed. :)

 

All parts that come in the kit must be used, and for their intended purpose, unless noted below.

Parts include;
C/R .010" lexan Kurtis Indy body
One only stock, JK Falcon II motor (may not be squeezed, timing or bearings may not be adjusted/modified)
One only JK D321 "straight" motor bracket. (see below)
C/R .042" spring steel guide tongue (see below)
Protrack #400 3/32" axle fronts (see below)
Protrack N241 1/8" axle rears (see below)
ARP 48 P 8T solder on pinion (must remain stock)
Parma 48P 30T King crown gear (must remain stock)
Parma 70222 Blade guide (one only and blade not shortened)
Koford M418 1/8" rear axle (may be shortened and flats installed, maximum of 3, maximum of .375" wide)
1 pair only, Champion 709 3/16" dia. x 1/8" ID, rear oilite bushings ( 1/4" dia. equivalent)
C/R 2MM motor screws ( or equivalent size,  American or Metric machine size, or self-tapping)

Chassis deign is unlimited except;

1-Stock bracket must be used, with FII motor screwed into the bracket, in the stock position.
With the large dia. tires, the bracket may be angled down.
The only brass that can be removed is from reaming of the bearing holes, either to 7/32",
for an axle tube, or 1/4", for direct installation of 1/4" OD bushings.

2-One C/R guide tongue must be used, either stock or trimmed.
No additional  guide tongues may be used.

Max chassis width is 1.400". (note body tapers in front)

No part of chassis or guide shoe may be seen from above, other than axle tubes/axle spacers, axle tube bracing, axle bracing,  rear bushings and wheel keepers.
None of the above can extend more than .172" from the C/L of the F & R axles.
Axle uprights must not  be visible from above.
IE-no A arm style chassis

Front wheels may rotate independently on a fixed or rotating front axle.

Metal on the front wheels must remain stock. IE-bushings can not be installed.

Front wheels may rotate in an axle tube or in bushings.

Front wheel set screws may be removed.

Ball bearings are prohibited in the whole car.

3.875" wheelbase, + or - .032"

No guide lead restrictions, other than guide may not be seen from above.

Chassis and body must retain .050" clearance, front to rear, measured "retro style" with, guide NOT on block.

1.000 minimum dia. on front and rear tires.

Fronts- .375" minimum width

Rears- .375" minimum width, ..575" maximum width

F & R maximum overall width- 3.125"  

Body must be painted, with a minimum of 3 numbers.

Body must  be trimmed at cut line, + or -, .032"

Body must installed on chassis with the axles in the approx. stock mounting position,
as indicated by the mold marks in the body. C/L of front axle can not be any further back than
1.180" from furthest forward part of body.

No minimum weight required, but 100+ G recommended.


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.





#2 macman

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Posted 23 January 2013 - 12:55 AM

Mike; how much of the above spec parts come with the kit?
Ben Kernan
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#3 slotcarone

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Posted 23 January 2013 - 08:03 AM

:) Mike the rules look good and seem to cover the basics but the part about the axle tube bracing being allowed to be visible makes sense but then it says axle uprights must not be visible from above. This sounds contradictory to me--aren't the bracing and the uprights the same thing?


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#4 JohnnySlotcar

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Posted 23 January 2013 - 08:35 AM

What about front wheel drive?


John Austin

#5 Paul Jurczyszyn

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Posted 23 January 2013 - 11:55 AM

I think what Mike means is looking from above you can't see upright outside the body shell.
Paul
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#6 gascarnut

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Posted 23 January 2013 - 12:16 PM

F & R maximum track width- 3.125"


Presumably, this is intended to be the maximum overall width, and not the track width?

Track width is measured from centerline of one wheel to centerline of the opposite wheel.

Dennis Samson
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Life is scratchbuilt

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#7 MSwiss

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Posted 23 January 2013 - 12:51 PM

Presumably, this is intended to be the maximum overall width, and not the track width?

Track width is measured from centerline of one wheel to centerline of the opposite wheel.

Thanks for pointing that out .

 

Must be a common slot car mistake.

 

A few different slot car org. use that term on their "Simplified Specification Reference".


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#8 MSwiss

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Posted 23 January 2013 - 12:56 PM

What about front wheel drive?

Sure.

If want your car to be undrivable. 

 

Those front tires are awfully hard.


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#9 MSwiss

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Posted 23 January 2013 - 01:04 PM

:) Mike the rules look good and seem to cover the basics but the part about the axle tube bracing being allowed to be visible makes sense but then it says axle uprights must not be visible from above. This sounds contradictory to me--aren't the bracing and the uprights the same thing?

No the uprights are what axle is attached to, and are vertical, whether it be a bent up piece of brass or piano wire.

 

Bracing would be horizontal.

 

As the last line of that paragraph states, it 's to prevent A arm style front ends.

 

IOW, the attachment points of the axle or axle tubes, to the chassis,  must originate from inside the body.


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#10 MSwiss

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Posted 23 January 2013 - 01:13 PM

Mike; how much of the above spec parts come with the kit?

Everything but the minor parts such as lead wire, lead wire clips, braid, guide nuts, guide washers, and axle spacers.

http://slotblog.net/...goland-raceway/


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#11 Dave Crevie

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Posted 23 January 2013 - 03:45 PM

Is using a cut down guide shoe advisable with so much front clearance? Even if the guide tongue is

soldered to the bottom of the front piece, it has to clear the .050 track height. That means to use a

cut down shoe, you have to stack up a lot of washers. 



#12 MSwiss

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Posted 23 January 2013 - 04:08 PM

Good point.

 

I'll switch to the non cut-down in the kit.


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#13 Gator Bob

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Posted 09 February 2013 - 08:32 PM

Solid rules.  :good:


Bob Israelite

#14 Gator Bob

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Posted 20 February 2013 - 06:03 PM

Can axle be threaded?


Bob Israelite

#15 MSwiss

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Posted 20 February 2013 - 06:07 PM

I assume you mean the front.

 

Yes, the BRP style, 3/32" front axle with threads, and locknuts on the end, can be used.


Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#16 CoastalAngler1

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Posted 01 July 2014 - 02:24 PM

MSwiss - May I procure a kit?


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#17 MSwiss

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Posted 01 July 2014 - 02:52 PM

I ordered more bodies yesterday from the guy pulling them.

I'll have to see if Dave Crevie will cast more of the resin parts.
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Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990)

Eight-time G7 King track single lap world record holder (pointless era - LOL)
 
Chicagoland Raceway
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. Make checks out to Chicagoland Woodworking, Inc.


#18 CoastalAngler1

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Posted 01 July 2014 - 04:16 PM

Thanks MSwiss, keep me posted...  I'll keep looking.  :victory:

:dash2:


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Charlie McCullough

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#19 Dave Crevie

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Posted 14 July 2014 - 05:08 PM

I will cast more detail sets. Hope to have them done this weekend.



#20 Pablo

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Posted 14 July 2014 - 09:59 PM

Thanks, Dave !! :D


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