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Gangster Caddy 4.5"


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#101 Pablo

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Posted 19 February 2017 - 03:35 PM

Track test is complete and successful.  :dance3:
 
Only problem noted was the track staging optics can't "see" the white colored Jet Flag.
They say a Sharpie won't work, and neither will dyeing it. Weird :unknw:
 
To my surprise, the 50-year old Riggen rear tires worked fine.
 
- no handling or mechanical problems noted
- scoots on down the track
- motor runs cool
 
Thanks, Red!!! :)

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Paul Wolcott




#102 Samiam

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Posted 19 February 2017 - 04:08 PM

Any added gear whine from the idler?


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#103 Pablo

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Posted 19 February 2017 - 04:51 PM

Probably, but more like a mild groan rather than a whine.  :laugh2:

 

If I can manage to post the video, you can listen for yourself. Stand by...


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#104 hiline2

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Posted 20 February 2017 - 07:51 AM

Ok, you intrigued me! Have I missed a post on your "giant donut mounting cone"? An area I struggle with in the vintage tire department still!

 

Also, please run vintage, no glue, it is so messy!


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#105 hiline2

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Posted 20 February 2017 - 07:52 AM

Probably, but more like a mild groan rather than a whine :laugh2:  ...

 

Wouldn't expect anything less from a Big Block Caddy!


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#106 Pablo

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Posted 20 February 2017 - 10:18 AM

Paul, I can get you as big a donut cone as you want for free on the beach after Independence Day or New Years.

A byproduct of fireworks celebrations. What size do you need ?


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#107 bluecars

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Posted 21 February 2017 - 09:08 AM

First run was without glue. Got a little wheel hop but after that it was fine (glue at end of straightaway was enough to take care of the rest of the runs after most cleaned off). 

 

Runs super, sounds great, looks great and thanks to Pablo's big heart it belongs to me. Pablo is trying to get the video of some runs posted. I think he saw how bad I was at cutting the lights and figured I needed a lot more practice. LOL. After I get a little better I will post some times and MPH.

 

Thanks, Pablo! 

 

Also, Dallas was smiling ear to ear when he launched the first run. :D


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Robert "Red" Valantine :diablo: 


#108 CoastalAngler1

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Posted 21 February 2017 - 10:51 AM

Great story ending...

 

Thanks for the awesome post!


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#109 Pablo

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Posted 21 February 2017 - 04:03 PM

Thanks to Greg Wells for assisting me in posting the video - it was 10 times bigger than Slotblog allows.

 

Solution was simple - upload it to YouTube, then post a link to it.

 

Hope I did it right:

 


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Paul Wolcott

#110 Cheater

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Posted 21 February 2017 - 04:10 PM

Works for me, so I'd say you did...


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#111 havlicek

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Posted 21 February 2017 - 08:45 PM

Hey, that's PDC (pretty danged cool)!  :)


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#112 hiline2

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Posted 21 February 2017 - 10:45 PM

Paul, I can get you as big a donut cone as you want for free on the beach after Independence Day or New Years.

A byproduct of fireworks celebrations. What size do you need ?

AHHHHHHHHHHHHH ! I now I recall the photos ! thanks


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#113 havlicek

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Posted 22 February 2017 - 06:47 AM

What's the voltage here?  Is there a "standard" for drags?

 

-john


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#114 Pablo

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Posted 22 February 2017 - 09:47 AM

SDRA rules say 16.0 to 16.2. Red probably knows what it was in the test.


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#115 havlicek

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Posted 22 February 2017 - 02:15 PM

SDRA rules say 16.0 to 16.2. Red probably knows what it was in the test.

 

Hi Pablo,

 

     Goodness gracious great balls of fire.  I don't think the guy who wound that arm ever thought about it running at 16V.  ;)  Very cool video and car too...congrats!


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#116 Pablo

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Posted 22 February 2017 - 02:58 PM

Thanks John :)

 

It's all pretty simple in theory:

-hot motor revs much higher than a stock 36D, especially at 16 volts, therefore it needs different gearing

-biggest spur that still gives about 1/16" clearance with the approx. 1" OD wheels was a 43T

-final drive calculations using big wheels put me in the ballpark on pinion size

-mocked it up and it becomes obvious the only way to get the rear axle where I wanted it was an idler

 

There won't be any gear changing in this car, so I had to nail it first time.


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#117 bluecars

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Posted 22 February 2017 - 08:56 PM

It will get a better workout Sat. I should have plenty of Idle time.


Robert "Red" Valantine :diablo: 


#118 bluecars

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Posted 26 February 2017 - 03:45 PM

Stayed after our Dega Retro Race and did some runs.

My tree light reaction times need a lot of work LOL

The Caddy is very consistent even if I'm not.

 

Runs    REACTION TIME           MPH            TIMES
#1              .581                          40.97             1.265
#2              .560                          41.73             1.273
#3              .662                          41.27             1.255
#3              .573                          40.97             1.248
#4              .569                          40.30             1.248
#5              .528                          40.39             1.256
#6              .599                          40.39             1.255
#7               Red Lt                     40.78              1.235
#8              .559                          40.39             1.233

 

When I get a LOT better at this I will post more.

OOPS! Having so much fun I forgot to find out the voltage.


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#119 Pablo

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Posted 26 February 2017 - 04:08 PM

Cool, Red, thanks for the report :good: Don't beat yourself up too much on my account.

All I ever expected from the car was good, trouble-free performance and it seems to work fine :sun_bespectacled:


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#120 bluecars

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Posted 23 April 2017 - 12:01 PM

Caddy still trouble free an pretty consistent. made more runs yesterday at Dega.
 React time        MPH          ET
    .550                40.30       1.288
    .520                39.92       1.351
    .530                40.30       1.284
    .526                39.73       1.253
    .506                40.01       1.290
    .513                40.01       1.290
    .553                39.73       1.267
Still learning different modes of gluing and working on my reaction times.
Thanks again PABLO! :D


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#121 Pablo

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Posted 23 April 2017 - 12:32 PM

Thanks for the report, Red, and you're welcome :D


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#122 SlotStox#53

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Posted 23 April 2017 - 07:31 PM

Sweet times and consistency :D

#123 Pablo

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Posted 10 May 2017 - 05:45 PM

Red brought the (well tested and broken in) car to the races last Saturday to show it off, and allow me to check my work.

I felt like a proud father :D Just like he told me, zero damage, zero problems :good:

I reckon I did "OK" for my first drag car build, but you be the judge.

 

Red brought a small notebook with all the times the car recorded, and said it was really consistent.

I can't comment on drag racing, but I was thrilled about trouble-free performance.

 

The "H" motor obviously was a home run, as usual  :sun_bespectacled:


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#124 Bill from NH

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Posted 10 May 2017 - 07:04 PM

Has Red tried any gearing changes to see how they effect times & consistency? Or has he always run it with the same ratio as when it was built?


Bill Fernald
 

My wife says I don't pay enough attention to her, or something like that.  :unknw:


#125 bluecars

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Posted 11 May 2017 - 06:12 AM

No gear changes Bill. If you look at the gear train design I think you'll see it's not really possible. I'm not a serious drag racer so faster times are not a factor. Just working for consistent  reaction times, MPH and ETs. Reaction time is the only thing not consistent. LOL


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#126 Bill from NH

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Posted 11 May 2017 - 07:15 AM

Thanks Red, I had forgotten this was the car with the idler gear. 


Bill Fernald
 

My wife says I don't pay enough attention to her, or something like that.  :unknw:


#127 CoastalAngler1

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Posted 11 May 2017 - 08:01 AM

I wish I were there to help you Red - consistency is all about doing the same exact thing at the staging line...and figuring how to get the car to launch the same each time.

 

If the car launches abruptly - more glue...launch is mellow - just roll out the leftover glue in the rears - roll the same number of times and count them - try 5 and roll exactly same each time and stage same each time. 

 

All you need to do is find what the car likes in terms of glue and staging position.  I would also try lightly gluing the tires with clear drag glue, place the guide in the groove and as soon as second light stages, set the rear carefully and gently. (called staging shallow)  two light taps on the roof for luck (and to plant the rears).  Let her rip.  The ET should be more consistent.  Also, just run the car 5 times into the stop glue before measuring test times, and clean in between - then let motor cool between all the test runs - Good Luck!

 

ALWAYS clean the staging area for each run - don't run on top of the same gunk - as it builds up times change a LOT.


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#128 bluecars

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Posted 11 May 2017 - 04:29 PM

Sounds like a lot of trouble just to have a little fun during lunch breakat Dega race. Come on up and give me some lessons. LOL :sarcastic_hand: 


Robert "Red" Valantine :diablo: 


#129 Pablo

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Posted 11 May 2017 - 05:07 PM

Sounds like some lost sight of what the car "is", a vintage style drag hooptie.

Red understands it.  Keep it clean, protect from rust, and don't let the speed-crazed guys influence you

 

sweet-cicily-5336178925.jpeg

 

If somebody wants me to build them a modern drag car, you know where to find me :D


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#130 CoastalAngler1

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Posted 12 May 2017 - 07:40 AM

:laugh2:  - I'd win the bracket race with that caddy -  :clapping:  


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