2019-2020 Box stock Class Poll

[Deleted]

For what it is worth I am not in favor of excluding the Porsche.  As a slot car, I imagine it has the same workings as the other Cartrix F1 cars. 


It is a vintage F1 car.  It is a Cartrix open wheel car (the class description).  And, importantly to me, it is the only one I have.


Rear engine open wheel cars were present in the late 50's (e.g. Cooper T51).  A Porsche 718/2 single seat, open wheel car ran in the Monaco Gran Prix (Wolfgang Von Tripps) in 1959.  

[Tom Dolan]

The Porsche has the FF (slim line) motor in it and it is a bit faster than most of the other cars, so it may not be allowed. I tested the FF and early Cartrix motor against the S can and the are both a bit faster than the S can motor. Again, it's up to the committee as to which motors we can run.

Tom

[Deleted]

Jun 11, 2019 9:11:23 GMT -7 Tom Dolan said:

Jun 11, 2019 8:16:41 GMT -7 @tangmere said:

Now that Cartrix in the BSP class, I'd say I'm not in favor of picking a couple out of a bag to run. It is my experience that the wheels are too soft for repeatedly taking tires on and off and these cars wobble down the track enough as it is.

Why no just say everyone needs to run tire brand X instead?

The last time we did this it worked out fine-no broken wheels from taking the tires off after every race--the wheels are stronger than that. We used IG7005 and there were a great choice.

Tom

I didn't say broken, I said bent.

[Deleted]

Jun 11, 2019 14:11:22 GMT -7 Tom Dolan said:

The Porsche has the FF (slim line) motor in it and it is a bit faster than most of the other cars, so it may not be allowed. I tested the FF and early Cartrix motor against the S can and the are both a bit faster than the S can motor. Again, it's up to the committee as to which motors we can run.

Tom

I tried to find information on the Cartrix motors.  Some may be better motors, but all seem to have about the same RPM ratings except for the Supersqualo 555 and BRM P25 which have NC-1 type motors.  Maybe the latter are the ones you tested the FF against Tom?

The following from internet reviews.

Cartrix’s first GP Legend was the Merc 196. This had something called a ‘Sun’; motor in it.  The Mercedes W196 motor itself might appear a little odd but this style of motor is nothing new to Cartrix. I first saw this motor used in the Cartrix Champion RAID BMW Z3 and at that time I determined that Cartrix rated this Sun-Tech motor as 17,000 RPMs.  More detailed reviews indicate the Sun-Tech motor in early Cartrix F1 cars had 20K and 130 g.cm torque.  From photos these motors are easily distinguishable from the later S-can.
 
Next was the Ferrari 555 Supersqualo and the BRM P25. Both of these models have can drive ‘S’ can motors and the performance of an NC1. Considering the weight of the model, this proved adequate.

A review of the Lotus 16 suggested "it seems to have Scalextric/Fly type ‘S’ can performance!. The motor revs hard up to max which could easily be 18,000 rpm!!"
 

[Deleted]

Jun 11, 2019 13:40:45 GMT -7 @craig said:

For what it is worth I am not in favor of excluding the Porsche.  As a slot car, I imagine it has the same workings as the other Cartrix F1 cars. 


It is a vintage F1 car.  It is a Cartrix open wheel car (the class description).  And, importantly to me, it is the only one I have.


Rear engine open wheel cars were present in the late 50's (e.g. Cooper T51).  A Porsche 718/2 single seat, open wheel car ran in the Monaco Gran Prix (Wolfgang Von Tripps) in 1959.  

From an earlier post:

So, discussed thus far (less vintage) are:

1. 50s Cartrix F1 (BSP)
2. T/A U2 (unlimited but with 18K motor limit and no fat fendered cars such as the Fly 911, Alfa GTa)
3. Ninco Classics (motor TBD) and no Cobras
4. Fly Classics (tires and guide swap?)
5. Thunderslots (BSP)

Did I miss anything?

[Deleted]

Re-reading Jim's earlier post - "when we ran them the last time, there was some restriction on what cars we used and what motors could be used. That open wheel class, was only the F-1/ GP cars. We didn't allow the FF motor. We didn't allow the early car/s that had a faster motor either" - and conceding to Mark's preferences, I withdraw my request to allow the Porsche.  I'm guessing it wouldn't be allowed in the final rules anyway.

Sorry for the bother.  

[Daryl Payne]

We do consider the cost of new cars and appreciate that everyone's budget is differant. There have been many races for which I had to purchase a new car. There are some pretty nice classes being considered, and i do realize that some of these cars are kind of pricey. In fact even vintage cars may tend to be hard to find at a decent price.
The committee will consider all factors and try to come up with decent class picks. There some unwritten understandings about class selection. Most of the original members would like to have at least one open wheel car each year. And, at least one "true vintage" class each year. Another class, new, or new box kit, allows newbee's to find cars currently available, and hopefully at a reasonable cost. Bare in mind that the club rules defines vintage as a car with a prototype age of at least 30 years.
If there is a person who it totally unable to obtain a car due to cost, you can certainly borrow mine, or probably from some other club members.

[Deleted]

I have read in several places that Cartrix cars have plastic pinions that often are split or will split due to faulty design (splines that run the length of the pinion).  Cartrix pinions are commonly replaced with brass ones.  The rules for Box Stock lists "gear adjustment" as an approved change.  What does gear adjustment include?  Does it include replacement of the pinion?  Thanks.

[Tom Dolan]

It's up to the committee as to whether we can replace the pinion, but I'm not sure what "gear adjustment" is.

Tom

[Deleted]

Jun 18, 2019 8:32:15 GMT -7 @craig said:

I have read in several places that Cartrix cars have plastic pinions that often are split or will split due to faulty design (splines that run the length of the pinion).  Cartrix pinions are commonly replaced with brass ones.  The rules for Box Stock lists "gear adjustment" as an approved change.  What does gear adjustment include?  Does it include replacement of the pinion?  Thanks.

Craig,

I don't think I'd be incorrect in saying that you can replace the pinion on the Cartrix but it must be the same tooth count. I think gear adjustment means adjusting the lash where it it is possible to do so.

[Deleted]

Jun 18, 2019 16:14:26 GMT -7 @tangmere said:

Jun 18, 2019 8:32:15 GMT -7 @craig said:

I have read in several places that Cartrix cars have plastic pinions that often are split or will split due to faulty design (splines that run the length of the pinion).  Cartrix pinions are commonly replaced with brass ones.  The rules for Box Stock lists "gear adjustment" as an approved change.  What does gear adjustment include?  Does it include replacement of the pinion?  Thanks.

Craig,

I don't think I'd be incorrect in saying that you can replace the pinion on the Cartrix but it must be the same tooth count. I think gear adjustment means adjusting the lash where it it is possible to do so.

Thanks Mark.  I understand that some Cartrix cars were geared 8-27 (3.38) and some 9-25 (2.78).