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Pablo's IRRA® chassis archive


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#1 Pablo

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Posted 04 June 2014 - 01:11 PM

I haven't posted many photos of my IRRA® builds but decided I'd archive some of them here for historical purposes :).

 

Starting with my first F1 chassis design I made several copies of back in 2007:

 

DSC03587.JPG

 

DSC03570.JPG
 
My first Can-Am design, 2008:

 

DSC03614.JPG

 

DSC03617.JPG


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Paul Wolcott




#2 SlotStox#53

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Posted 04 June 2014 - 02:17 PM

Very nice, Pablo.  :good: That Can-Am certainly had some weighty pans!



#3 Pablo

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Posted 05 June 2014 - 11:58 AM

Square tube / piano wire sandwich rail F1, 2008.

 

DSC00204.JPG

 

DSC00209.JPG


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#4 Pablo

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Posted 13 June 2014 - 09:01 AM

More 2008:

 

DSC03675.JPG

 

DSC03673.JPG

 

DSC03676.JPG

 

DSC03677.JPG


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#5 Pablo

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Posted 13 June 2014 - 09:05 AM

2009 stocker:

 

DSC00727.JPG

 

DSC00738.JPG

 

2009 Tripod, Bill Worden parts:

 

DSC00957.JPG

 

DSC00994.JPG


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#6 Pablo

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Posted 13 June 2014 - 12:59 PM

2010:

 

DSC01583.JPG

 

DSC01585.JPG

 

DSC02676.JPG

 

DSC02677.JPG

 

2011:

 

DSC02922.JPG

 

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DSC03500.JPG

 

2012:

 

DSC04779.JPG

 

DSC04787.JPG

 

DSC04889.JPG

 

DSC05073.JPG

 

DSC05075.JPG

 

DSC05266.JPG

 

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2014:

 

IMG_0284.JPG

 

IMG_0276.JPG

 

IMG_0750.JPG

 

IMG_0760.JPG

 

IMG_1058.JPG

 

IMG_1059.JPG

 

That's all for now...  :D


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#7 Bill from NH

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Posted 13 June 2014 - 05:12 PM

How about indicating which chassis are about 4" and which ones are for stock cars? :to_become_senile:


Bill Fernald
 

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#8 Pablo

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Posted 13 June 2014 - 08:26 PM

Post #5, first and second pics are stockers.

Post #6, 11th and 12th pics are a stocker.

All 2014 pics are three Katz-inspired Pablo design stockers.

 

Everything else, of course, is, Can-Ams and F1a.   :)


Paul Wolcott

#9 Brinkley47

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Posted 13 June 2014 - 10:54 PM

Which ones are your fastest/favorite for each division?
Will Brinkley
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#10 Pablo

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Posted 14 June 2014 - 05:10 AM

Thanks for asking, Will :)  I race so infrequently I don't feel qualified to guess which ones are fastest.

But, some have become favorites, and most are still racing today.  

The post #3 square tube / piano wire sandwich F1 won some races;  I made several sisterships of it and some of them are still racing.  

The post #4 Can Am was always a reliable performer and I still have one of the sisterships in my box. The original, I believe, is still in the hands of Brian McPherson.

The post #5 Bill Worden parts tripod is my favorite Can Am, I TQed with it once at Viper Pit, and it's still my personal “Go-To” car.

The post #6 RGeo F1 kit worked great at one of the SANO’s on the King, I did real well with it. 

The very first 2014 Katz design stocker handled perfect right out of the gate, passed crash testing with flying colors, and the other 2 are exact copies.  I hope to make one for myself very soon.  :)

Any chassis that is flat, straight, balanced, fairly accurate, and strong can be tuned to handle well.  But some just have a little extra magic.  I built a couple that were losers also; the evil handlers all ended up in the junk pile and photos were deleted.  :D


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#11 SlotStox#53

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Posted 14 June 2014 - 08:16 PM

the evil handlers all ended up in the junk pile and photos were deleted.  :D


Or end up being attacked by the dremel and ending up in tiny pieces :laugh2:

Some nice looking cars in your IRRA stable Pablo :good: can see the progression of ideas /designs especially the square tube.

#12 Bill from NH

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Posted 14 June 2014 - 08:57 PM

Didn't an F1, that wasn't to the owner's liking, get sent to the mid- Alantic region when someone there offered to take it of your hands & rebuild it, before you could get the Dremel out? :)


Bill Fernald
 

Some people burn rubber. I burn oil.  :roflmao: 


#13 Pablo

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Posted 14 June 2014 - 09:13 PM

Bill, it had too much steel and wire, too stiff, and would deslot at odd times.  So I built Brian a complete new one with less wire.  You are right, before I could put the dremel to it, it was claimed by an east coast guy who rebuilt it with more flex and raced it with great success.  That chassis even had a name, but I forgot it.  :laugh2:


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#14 One_Track_Mind

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Posted 15 June 2014 - 03:58 AM

I still race that F1 from to time. It's a nice car...
Was it the 'brain storm' ? 8-)

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#15 One_Track_Mind

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Posted 15 June 2014 - 04:02 AM

More 2008: DSC03675.JPG
attachicon.gif
DSC03673.JPG
attachicon.gifDSC03676.JPG
attachicon.gifDSC03677.JPG


I have a can-am chassis that looks very much like this one...

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#16 Pablo

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Posted 15 June 2014 - 04:03 AM

"I still race that F1 from to time. It's a nice car..."

He means the new one  :)

"I have a can-am chassis that looks very much like this one..."

Is it a Pablo chassis ?  Maybe a sistership I built for you ? How does it handle ?

 

Out of all these chassis, I can only remember one or possibly two solder joints breaking, as I tend to overbuild them. 

Got a phone call yesterday from the owner of the latest 2014 Katz/Pablo stocker, he said it handled super right out of the box as delivered.

Doesn't surprise me, as this was the third one, but it is still music to my ears :dance3:  :D  


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#17 One_Track_Mind

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Posted 15 June 2014 - 04:58 AM

ImageUploadedByTapatalk1402826229.036112.jpg

Looks just like the one you pictured above!!
Minus, the angles on the pans, which looks like they might have been on this one?

Yes, I did mean the 2nd F1 chassis.
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#18 John Streisguth

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Posted 15 June 2014 - 05:46 AM

Hey Pablo, that one that was rebuilt is the "Junkyard Dog"... took me to a podium at the Southern Shootout a few years ago.  :D

 

junkyard dog.jpg

 


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#19 Pablo

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Posted 15 June 2014 - 06:51 AM

Ah, it is all coming back to me now :D

Brian got a completely new F1;  the evil handling F1 was going to get chopped into little pieces but Streisguth adopted it.  He rebuilt and re-invented it as the "Junkyard Dog".

That Cam Am is, indeed, the one pictured in post # 4, yep, you can see where it got changed from body clip tabs to pin tubes inside pieces of square tubing. The solder residue where the tabs were is still there  :laugh2:  A telltale clue  :)  Looks like it had a few other minor changes done to it.  A workhorse  :good: If the handling ever starts going bad, check the brass tongue, in a hard wallshot it may bend.  Bend it back, or change to steel.


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#20 One_Track_Mind

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Posted 15 June 2014 - 08:13 AM

Hi Pablo,
Only changes I ever made was the motor. Anything else you might see was done with your 'mini-torch'  :-)


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#21 Pablo

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Posted 22 July 2014 - 08:26 AM

Old school Can-Am, wheelbase 4.0", guide lead 13/16", weight 65 grams, front axle PCH, BB's Pro Slot, Chicagoland Versabracket plus Brackagra brace, pans .025" with .025" tilt, rails .063", front hinge wires .063", rear hinge wires .055".

 

Track test 2 August.

 

IMG_1480.JPG

 

IMG_1493.JPG

 

IMG_1503.JPG

 

IMG_1508.JPG

 

IMG_1513.JPG


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#22 SlotStox#53

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Posted 22 July 2014 - 08:44 AM

Very nice build Pablo :good:

Nice to see old Skool pans :)

#23 Pablo

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Posted 26 July 2014 - 07:27 PM

Thanks, Paul.  Total race ready weight is 117G.


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#24 Pablo

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Posted 07 August 2014 - 08:58 AM

Track test results:  Slapped a junk IRRA Ferrari practice body on 'er and drove it hard, Handles fine and it's faster than my Tripod Can Am.  Greg Gilbert and Steve Harrington both drove it and loved it.

It is built up into a completed IRRA legal car, JK Hawk Retro motor broken broken in and ready to race with all brand new top shelf parts, sans body. It's for sale if anybody wants it, $200 plus shipping, tracking, and insurance.  If not, this will be my new personal Can Am.


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#25 SlotStox#53

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Posted 07 August 2014 - 09:32 AM

Great to hear such an old skool design still kicks major tail in the sea of tripods etc.. :good:

Pablo frames guaranteed to haul the beans :D

#26 Pablo

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Posted 22 November 2016 - 05:34 PM

:laugh2:  Thanks Paul, and speaking of hauling beans, more weight in an IRRA® stock car never hurts.

My ol' 2009 Bill Worden/Rob Hanson tripod chassis needed freshening up so I built a ground zero 15 thou shaker platform for it.

 

IMG_3783.JPG

 

.063 tubing governed with .020 piano wire. Some fore and aft movement, slight wiggle, slight lift, and zero droop.

No solid connection between the rails. Champion 7 gram weight attached via double sided wing car tape

 

IMG_3775.JPG


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#27 old & gray

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Posted 23 November 2016 - 07:40 PM

Nice builds Pablo, but no Snake Bites?


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#28 Pablo

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Posted 24 November 2016 - 09:55 AM

Red Valantine still races his Snakebite Can Am chassis competitively but they are tricky to tune and that line sort of drifted off into history :)


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#29 Pablo

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Posted 29 November 2016 - 04:55 PM

Track test results with new shaker platform and weight: excellent, much improved.

 

IMG_3812.JPG

 

New Outisight Daytona Charger body with Champion interior. Total weight: 132 g

 

IMG_3804.JPG

 

 


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#30 Jencar17

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Posted 29 November 2016 - 05:36 PM

:D :victory: :good: :victory: :good: :victory: :good: :)


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#31 Pablo

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Posted 07 March 2017 - 07:29 PM

John Clow's stock car chassis from 2014 recently returned to The Wolcott Ranch for a tune up.

 

-new rear axle tubes with new VXB ball bearings

-new front axle for new ARP BB front wheels

-addition of a 15 thou shaker weight platform

-revised pan down stop wires

-new pan hinge tubes

 

IMG_5213.JPG

 

 


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