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Hi

slot it gears are NOT 32 pitch. They are a custom cut that mostly works with 48 pitch gears. The short version here is that "Pitch" is teeth/inch diameter! Thus a "48pitch" would have 48 teeth if 1" in diameter.

Real pre-metric stuff!

The market is mostly scaley and mostly 48pitch. Slot it started with the standard 9 tooth pinion/48 pitch, and sculpted a cool set of gears at the same diameter that would mesh! That is why the sidewinder gears are different, they are designed to the standard Fly 48 tooth pitch 11/37 gears!

Tires: personally for the last 5 years or so, I have only used Puma Paws. These are silicone tires. I prefer sillis because, in my experience, they work on a wide variety of surfaces, and dont have wear problems. I am lazy. I have NOT tried ortmans. Ortmans dont fit most of the cars I have. They cost a lot more here in the U.S., and I dont have a ready supplier. Will they work better? Dunno!

Now I realize that most of the world doesnt use sillies of any sort. AND most of you race with clubs, I believe, which specify tires. Puma only sells wholesale to shops so you cannot order direct. I know that a shop called "MRS Hobby" is owned by a nephew of the Puma Paws guys and usually has immediate access. The do mail order, but I am not sure about international mail order.

I suppose that if you want them, I could get them for you.

I hadn't thought about that.

Fate
 

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Senior Slot Car Mechanic
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QUOTE The market is mostly scaley and mostly 48pitch. Slot it started with the standard 9 tooth pinion/48 pitch, and sculpted a cool set of gears at the same diameter that would mesh! That is why the sidewinder gears are different, they are designed to the standard Fly 48 tooth pitch 11/37 gears!
Actually,I believe all the Euro Gears,Scaley etc are 1.5 Module Metric.These are somewhere in between 64 and 48 P.48 seeming much closer.

The Slot.It gears,with the"proper" ratios,I believe are the same,and then the tooth profile is modified so you can select different ratios while retaining the same shaft centres.Not good engineering practice,but,in the real world,it works,so you can't really argue with it.All in all a great solution to fixed axle/motor shaft spacing.
 

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Brian Ferguson
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Ooops... I said 32, didn't I?
I meant 48. Their inline pinions however are a different story and the pitch varies with each tooth-spec because the diameters are all the same. It only works at all because the tooth shapes are different and the range of sizes very limited. However, the pinion on Beejay's motor cannot be 64-pitch (HO spec) or the resultant mesh would be atrocious.
 

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Alan Tadd
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4,038 Posts
Discussion Starter · #24 ·
It's now finished, (more or less),



The body as kindly given to me by Graham is a Supershells one which depicted the car in 1961 trim, i.e. full wrap round windscreen, covered carb vents and covered engine compartment. The car I have attempted to model is the '62 variation which ran at Monaco and was driven by Phil Hill, I had to make a new windscreen, open out the engine compartment and make some carb trumpets.

I also cut out the original driver figure and cockpit area and put in a Fly boy, in the vain hope that in poor light he might be taken for Phil!. He is set at a jaunty angle which I copied from a photo I found of him. He may be changed to a Maxi-Model man at a later date. All the photo's I have are in Black and white, so I painted the helmet silver, any information on the correct colour would be appreciated. Again I've left seat belts off as I don't think they were fitted at this time, please correct me if I'm wrong. Decals are MRE.



Chassis is as described in original post and I am happy to report the Scalextrix MOTOGP motor and the Slot.it crown are still running very well (Whatever pitch the pinion may turn out to be). This is a great combination and I will use it again. The motor has enough power for me on my small temp. circuit

I'm still undecided about final type choice for the rears, but I think I'll go with the Prof's recommendation of these "Puma paws", (if I can hold of them, but I may try
Ortmans for use on my Sport track.

Regards

Alan
 

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Alan - The Ferrari is excellent and a lovely restoration from that very secondhand looking bodyshell earlier in the thread, the detailing and paint finish look spot on. Great work and a beautiful slotcar.

You're right about the seatbelts, they didn't use them in F1 until the end of the 60s when they gradually were introduced between 67 and 69 depending on the individual drivers personal wishes.

David
 

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Al Schwartz
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Very nice job, Alan, - but then I expected no less after seeing the restoration job on your Healey!

Using the old "eyeball caliper" on the pinion gear, I'm guessing that it is 48 dp or thereabouts - certainly not 64 which would explain why it works so well with the Slot-It crown. The same "precision instrument" leads me to suggest that you check your track measurements - you may have "shorted" yourself by going a bit narrow - the cars of that era had a 50-52" track measurement (and the track is more than half the wheelbase) and adding 1/4" for the tires, you could have an O/A width of around 1.875" or 48 mm and, in this minature world, every mm counts!

My guess is that the motor is a Mabuchi FK 050SH or variant - you can see the specs @

Mabuchi

It is dimensionally identical to the TMM that I have used

Whatever the specs, that gleaming red will look very good on the grid

EM
 

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That looks fantastic Alan!
Like I said before, you're way too modest. Even though it's before my time (I'm 34), I've always loved this car. I'm by no means an expert on these things, but I agree with EM, you may have some room to stretch out the "track" on this car. Anyway, a great job!

I'm happy to hear about the performance of the MotoGP motor as I'm waiting for a couple myself from GetSlotted. The added bonus is that I may be able to use the extra pinion that comes with these on one of the TMM motors I have.

Steve
 

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Alan

the car looks great..... The chassis has one thing to do... Run well... it's not how it looks it's how it runs..... and it is still a good looking chassis.... very nice job..

Chris
 

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I forgot to mention by the way that Phil Hill's crash helmet was white.

David
 

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Russell Sheldon
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That's a Supershells body? Nice work BJ, I reckon that you're going to blow away the competition with that!

David might have some mirrors for you too!


With kind regards

Russell
 

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QUOTE (David Lawson @ 13 Jul 2004, 10:53)I forgot to mention by the way that Phil Hill's crash helmet was white.

David
Hold that paint brush Alan!

Although Phil Hill drove the no.38 Ferrari at Monaco in 1961, in 1962 no.38 was driven by Lorenzo Bandini (Phil Hill was in no. 36 that year).

I think Lorenzo wore a silver helmet possibly with a black peak but perhaps someone could confirm - it's hard to make out from the pictures I have.

So, you have a choice! I think? Lorenzo or Phil!

Alan, I know I already said it but I can't get over how good that Supershells Ferrari looks. Totally yum! Really superb job
 

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Well spotted John you must have had your anorak on to spot the race number is Bandini's car, I didn't even know that Bandini had a race drive for Ferrari that early in his career - I think of him from about 64 onwards.

Just to confirm for Alan that Phil Hill's car did carry number 36 in 1962 and here is a picture of him in Casino Square during that race.



Phil did have a white crash helmet, here's a shot of him at the Nurburgring in 1961.



The Bandini car at Monaco in 1962 carried the race number 38 and as far as I can tell from the poor picture it was one colour - presumably silver but I agree with John that certainly by the mid 60s Bandini did have a black peak on the helmet. Note the aero screen on top of Bandini's windscreen.



David
 

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Is that Grah's Lotus 24 in the background there David?


I found a colour picture of Lorenzo Bandini in no.38 at the 1962 Monaco GP on this site:

Ferraris at Monaco

It does look like he is wearing a silver helmet (without peak) and there appears to be an emblem on the helmet too. Can't make it out - a Ferrari badge perhaps?
 

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Alan Tadd
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Discussion Starter · #39 ·
Thanks for the kind words Chaps and the excellent information, it looks like I have a lot more work to do.

The pictures you've provided are excellent, but it now means I have to stick a bit of clear plastic on the windshield as a fly screen, ditch the jolly fly driver or at least his head!, graft on a Maxi-models half helmet one, make some d*** mirrors, and worst of all throw poor old Phil Hill out of the car and install Lorenzo Bandini !!!. That will be the third driver good ole' No. 38 has had.........

You can see why it is so difficult to get these cars right, there is just too much conflicting information around, take a look at the site JP linked....In one picture the car is shown with an enormous "growth" behind the roll bar which must be a filtration system to prevent large rocks entering the engine and in another picture small covers over the carbs much as the 61 car.....My reference photos show trumpets......

At least the helmet looks silver, (peakless) and does appear to have a ferrai badge on it, but Bandini seems to be on his way to the beach rather than racing as he is wearing a polo shirt!.....Italian style I guess.

As regards the track, it is a little short of the width it should be, so I'll put it right before the event.

Regards

Alan
 

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Brian Ferguson
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QUOTE Thanks for the kind words Chaps and the excellent information, it looks like I have a lot more work to do.

Now you know why I just lounge around the pool with the Hawaiian Tropic girls!
 
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