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Clubman testing 7/2/23


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#1 rvec

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Posted 03 July 2023 - 02:02 PM

ClubmanTesting.jpg

 
Ron visited Electron Raceway on 7/2/2023 to do some testing of Clubman cars. I cracked out my Clubman rides as well so that we could compare a total of six cars (3 OSCAR based and 3 True Scale based cars). The test revealed that all of the cars, either OSCAR based or True Scale based cars ran fast lap times that were nearly identical. If you are not interested in reading about the details of the testing, cursor down for images of the Clubman cars tested.

True Scale Clubman class is ostensibly designed for short wheelbase, relatively narrow production sports cars. Competitors may select from one of many H-Bracket production chassis and use either Deathstar or ProSlot 16D power. For detailed rules, see the link below and cursor down to Clubman.
 
http://slotblog.net/...-updated-52623/

Some members already have short wheelbase chassis for the True Scale Can-Am/Gran Sport classes, so only a body swap and change in front and rear track is needed to compete in the Clubman class.

All members already have OSCAR based Can-Am chassis. The typical OSCAR chassis is scratch-built from brass and wire in an in-line configuration with O-ring front wheels and small diameter (.790 inch) rear wheels. In order to keep costs down, I will allow competitors to run their OSCAR based Can-Am chassis with a Clubman plastic or resin model body. Simply put, all that is needed is a body swap and change in front and rear track to compete.

The table below shows details of the cars tested.
 

LapTimes.jpg


To limit the variables, all tests were done on the black lane with Rich driving. Fast lap times posted were in a very narrow range no matter if the car was OSCAR or True Scale based. Richs Porsche 959 turned in the fastest time of 5.07 while Rons OSCAR based Corvette turned in the slowest fast lap time of 5.25 seconds. All of the other cars (both OSCAR and True Scale) turned fast laps of about 5.15 seconds. To be fair, Rons Corvette was the only car tested with a Deathstar motor and Ron indicated that the motor was not that strong. It is likely that the Corvettes time could be improved by installing a better Deathstar or Cheetah 4 motor. Also, Richs 959 was powered by a relatively strong ProSlot 16D, resulting in a better time than the rest. My conclusion is that neither OSCAR based or True Scale cars have an inherent advantage and that racing should be close and competitive. Below are images of the cars tested.
 

C_Oscar_Ron_Vette.jpg
 
Cl_Ron_911.jpg
 
RX3.jpg
 
C_Ron_959.jpg

 

Cl_Rich959.jpg
 
Cl_Rich_Viper.jpg
 
]


Rich Vecchio





#2 Bill from NH

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Posted 03 July 2023 - 07:38 PM

Rich, what motor is a Cheetah 4?  I recall the Plafit FK family having a Cheetah. Is this Cheetah 4 a later version? Locally, I haven't heard of the Cheetah 4.


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#3 rvec

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Posted 03 July 2023 - 08:52 PM

Bill,

  I could be mistaken but the next time I visit STR I will confirm


Rich Vecchio


#4 rvec

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Posted 04 July 2023 - 12:04 PM

The motor is a Plafit Cheetah 4.  Below is an image

 

Cheetah4motor.jpg


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Rich Vecchio


#5 Bill from NH

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Posted 04 July 2023 - 03:43 PM

Thanks Rich! Even at my age, I'm never too old to learn something new.  :laugh2:


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Bill Fernald
 
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#6 rvec

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Posted 15 July 2023 - 11:38 AM

Ron recently completed this OSCAR based Ferrari F40. The chassis had been used for a resin Daytona Prototype (we were thinking of developing a DP class but dropped the idea).  The car is powered by a Deathstar. In addition, Ron is in the process of swapping out the motor in the Corvette shown in the original post.  We plan on testing these cars in the near future.  Stay tuned.  Below is an image of the F40

 

 

Cl_Ron_F40.jpg


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