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How to set up a no-bar car


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#1 Kit Henry

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Posted 08 February 2018 - 03:01 PM

What is the trick to setting up a no bar car ?

Is it weight ratio front to rear ?

 

Suggestions please ?

 

Kit Henry

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#2 Dominator

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Posted 08 February 2018 - 06:17 PM

Kit, do you mean a car with no bite bar?

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

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Posted 08 February 2018 - 06:20 PM

Kit,

You might want to go here and ask that question....

http://dc-punk.freeforums.net/


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#4 Matt Sheldon

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Posted 08 February 2018 - 06:43 PM

Slip joint or hard tail, Kit?

 

On a slip joint you want the rear body mount forward of the pivot. Weight ratio is definitely front to back. Typically .300 - .435 tires as .500+ is too much bite.


Matt Sheldon

#5 macman

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Posted 16 April 2018 - 03:39 AM

Basically, you have to put enough weight in the front to keep the car from jumping out of the slot, or even bouncing.


Ben Kernan
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#6 Dallas Racer

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Posted 16 April 2018 - 09:25 AM

What is a slip joint chassis/car? 


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#7 MSwiss

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Posted 16 April 2018 - 09:41 PM

The below shows one pretty well.

I don't typically think they use a hardware hinge. Lol


http://slotblog.net/...lot-s16d-motor/

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#8 Foamy

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Posted 20 April 2018 - 11:48 AM

Here is a new ESR Sidewinder chassis under a Vette body. . .

 

nobar_vette.jpg


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#9 MSwiss

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Posted 20 April 2018 - 12:02 PM

Thanks for posting, Foam.

In a pass, is there any fore-aft movement, or is there just a bit of flex, limited by the hinge?

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 G7 main appearances
Eight-time G7 King track single lap world record holder

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


#10 macman

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Posted 02 May 2018 - 08:11 PM

--3:26:16LWB slip.jpg

just a bit of flex... built this a couple of years ago, works like a charm, Boss 490, 208 grams, GMC extended cab dually body, .705 in 1/8

 


Ben Kernan
Formerly of SARN

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#11 Foamy

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Posted 03 May 2018 - 11:37 AM

No fore and aft movement. These things run mainly on a no glue program so it is all about chassis flex. Moving the center body mount front to back

changes the bite the car has.


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Dennis Hill
 
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preferably one with a really awesome musical number for no apparent reason."

#12 MSwiss

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Posted 03 May 2018 - 11:55 AM

Big thanks for the reply.

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 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


#13 Dallas Racer

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Posted 03 May 2018 - 11:56 AM

I found this: http://visionsraceca...-comp-dragsters

 

Our chassis is designed to flex, which helps transfer weight to the rear wheels.There is a slip-joint adjustment on the front of the car to control the amount of chassis flex.

This allows you to tune the car for the optimum setting for each track.

 

jr-comp-slip-joint.jpg


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#14 Dallas Racer

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Posted 03 May 2018 - 12:00 PM

This might be taking the flex thing a little too far.  :D

 

r0_199_3888_2394_w1200_h678_fmax.jpg


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