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JK Go-kart build (vs job search)


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#51 Pablo

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Posted 25 April 2016 - 11:03 AM

Ready for the body.

 

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Passes the drivetrain test with flying colors.

 

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Paul Wolcott




#52 Pablo

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Posted 25 April 2016 - 02:32 PM

One final step - a dot of glue on the end of the axle:

 

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Boop, second insert goes home and in perfect position. I don't even need to check it.

 

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Go-Kart is done.

 

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Time to get serious about a real job.  :bye:


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#53 bluecars

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Posted 25 April 2016 - 03:06 PM

Hoping you don't get one that will make you work on the first Sat. of the month. LOL!!!


Robert "Red" Valantine :diablo: 


#54 Pablo

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Posted 25 April 2016 - 03:19 PM

Good idea, Red. Also, one that doesn't have me commuting directly into the sun both coming and going.   ^_^


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#55 Pablo

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Posted 08 May 2016 - 06:38 PM

Job search: dead ^_^

Go-Kart track test: pretty good :)

 

Power and handling were excellent, but I plan to punch the flag further forward.

John Clow's TFlex with a Contender motor was much faster, and better handling.


Paul Wolcott

#56 Bobby Page

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Posted 12 May 2016 - 09:09 PM

did this one awhile back

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Wrecking Crew says - " Give them nothing, But take from them everything " 


#57 Pablo

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Posted 13 May 2016 - 04:53 AM

Looks like you win Concours again, Bobby :clapping: :good:


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#58 Pablo

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Posted 20 May 2016 - 10:11 AM

My solution to John Clow's Contender motor Go-Kart out-powering mine:

 

IMG_1642.JPG

 

Stock PS 4002B arm ("Puppy Dog") comes out and in goes a Havlicek #28 AWG arm.

The H comm is about 10 thou bigger than the stock arm so brush platforms needed to be hogged out just a hair.

Otherwise, perfect fit and an easy installation.

 

She drew 2.7 amps at 3 volts, dropped steadily as the brush faces conformed to the bigger comm, and stabilized at 2.0 amps.

Runs perfectly smooth and cool. Sounds powerful enough to beat a Contender :D :diablo:

Now the wheelbase needs to be punched out. Look out, John, I'm comin' for ya ! :victory:


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#59 Pablo

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Posted 20 May 2016 - 11:45 AM

The simplest solution to extending the wheelbase is swapping the existing Chicagoland tongue for a Slick 7.

Not that one is any better than the other - but the S7 is long and that's what I need.

 

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Should be an easy operation, but it all depends on what falls off when I apply enough heat to do it :laugh2:

The S7 is 10 thou thicker (taller) so the forward plumber wires cross connector will have to be changed.

 

Now, where did I put that doggone spare bottle of butane ? :)


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#60 Pablo

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Posted 20 May 2016 - 12:46 PM

Alligator clip party worked nice - nothing fell off except the tongue :D

 

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Paul Wolcott

#61 Dallas Jackson

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Posted 20 May 2016 - 01:42 PM

Pablo

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#62 Pablo

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Posted 20 May 2016 - 02:25 PM

Tongue swap complete. I got lucky and nothing else fell off :dance3:

 

IMG_1655.JPG


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#63 Bill from NH

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Posted 20 May 2016 - 04:25 PM

The front plumber cross connector could be replaced or you could grind a .010 groove for the old connector to fit in. Since the S7 tongue is not as wide, you could also use longer plumber hinge tubes for added strength. I come from the days when K&S piano wire was a nickel per foot, regardless of diameter. :)


Bill Fernald

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#64 Pablo

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Posted 20 May 2016 - 05:32 PM

Concur on both - good ideas, Bill  :good: But: 

-I chose to replace the .032 cross connector with a new .037 piece.

-The thought of making new (doubled) plumber hinge tubes occurred to me, and I chose not to. Heck, it's a Go-Kart, not a G7  :crazy:

 

She's in the tumbler.......


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#65 Pablo

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Posted 21 May 2016 - 03:44 PM

Wheel insert method worked fantastic, as planned.

No failure during track test, one insert popped right off upon axle disassembly, and a dot of new glue on the axle end for reassembly.

I'll be using this method on my vintage cars for sure.

 

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Paul Wolcott

#66 Pablo

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Posted 21 May 2016 - 05:09 PM

H arm in the stock PS 4002B setup is geared 7/35 with .675" OD wheels.

Center of rear axle to center of flag shaft is now 4 3/4" - same as a TFlex.

 

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Track test #2 should be interesting :D


Paul Wolcott

#67 Pablo

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Posted 02 July 2016 - 10:36 PM

Track test # 2 results:

-Lengthening the WB greatly improved the handling  :good:  Much, much better. It was out-handling the TFlex Go-Karts easily.

-H arm gave the PS 4002B motor the extra beans it needed to keep up with the "Go-Kart motor wars"  :D 

 

In multiple impromptu drag races down the straightaway against a G12 (box-stock) motor Kart, it was dead even every time.

 

Handling-wise, it walked off and left them behind. Mission accomplished. :good:


Paul Wolcott





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