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Rental car ideas?


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#1 axman

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Posted 01 June 2019 - 11:10 AM

I know this is not a subject dear to most of you but I'm chasing ideas for what rental cars to buy for a track I'm setting up in a tourist attraction.

It's been a few years now since my last commercial venture and the dreaded Parma Whisperjet was the choice back then. Hated by all other racers they were like hitting a brick if you ran into one.. 

Surely in this age of technical advances there is a better choice? Appreciate any feedback.  
Kim Axton




#2 Eddie Fleming

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Posted 01 June 2019 - 11:46 AM

Talk to Mike Swiss or he will probably chime in on the subject.


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#3 Racer36

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Posted 01 June 2019 - 12:16 PM

The JK rental cars are near bulletproof. Get the Cheetah 21 chassis with Hawk 25 motors and your choice of bodies. Not too fast and tough as nails.
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#4 MSwiss

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Posted 01 June 2019 - 12:41 PM

Like I've always joked about Whisperjet rental cars, they might as well stamp on the roof "I don't ever want you to try slot racing again."

 

I use the JK C21 based rental cars, and before them, all steel JK C7 or Champion Turbo Flex.

 

The 1/8" axles and more important , the 48P spurs are the key why they are so reliable.

 

I don't use the Hawk 25 motor, mostly because on my King, they don't create enough back EMF, to trip the particular lap counter I have on that track.

 

Very, very few problems, but I both adjust the power way down, for most new people, and I have soft walls on both of my tracks.


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Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516


#5 Jay Guard

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Posted 01 June 2019 - 01:03 PM

I've never understood how any track owner would use Parma WhisperJet as a rental car, probably the worlds worst handling slot car that even expert drivers have a hard time keeping in the slot.  As Mike Swiss said it's the surest way to run off a potential new racer.

 

My recommendation for a rental would be to use a Slick 7 Asp chassis.  Just brace up the rear a bit and the rest of the chassis is nearly indestructible, and they handle fantastic, even better than a good flexi.  Add a Hawk 25 motor and a high downforce body like a Parma Caddy HD and you've got a tough, great handling car which is exactly what a newbie needs.


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#6 jimht

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Posted 01 June 2019 - 01:37 PM

Any chassis from Slick 7 are pretty much unavailable.
 
Just rent what you'd like to sell if you were selling.
 
Using an RTR like the JK Mike Swiss uses with a slower motor and some sort of thicker "scoop em up nose" body and 48 pitch gears is the way to go.
 
If one were to have the option of magnets for traction, as I do, a wing car chassis with a thicker LMP body, 3/32" axle, 48 pitch gears, and a slower motor makes a rental that is so light it's almost indestructible.

IMG_0149.JPG
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#7 Don Weaver

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Posted 01 June 2019 - 04:10 PM

My three cents:
 
Weight, or the lack thereof, is key to a non-destructible chassis. E=MC2 – low mass coupled with a relatively slow but fun speed will minimize damage. Heavy 'tanks' won't survive beginners since they don't know how to drive yet and the rentals aren't their cars. Or as they say, the 'drive it like you stole it' mentality. 
 
"Scale" looking cars that look somewhat realistic. Certainly no wing cars.
 
Copying Mike's ability to control the voltage is probably the single best thing that can be done to enhance the first time users enjoyment.


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#8 axman

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Posted 01 June 2019 - 06:17 PM

Agree re: the voltage thing, Don./. and I'm copying Mike's variable voltage idea. I agree the weight thing is a huge problem –  I had a track on the Gold coast at Grundy's in the '90s with 36D-powered WhisperjJets and they just killed the track. 

 

I also like Jim's idea of the low profile nose to 'scoop' other cars out of the way.

I was hoping someone had come up with something like an engineered Delrin chassis. Lightweight but strong and perhaps a motor with wheels attached to the shaft so no gears or belts... anyone?      


Kim Axton

#9 Bill from NH

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Posted 01 June 2019 - 07:51 PM

If you look closely at Jim's chassis, you'll notice it's more than just a plain wing chassis. It has some nice subtle features and I probably can't see them all. :laugh2:


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#10 Don Weaver

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Posted 01 June 2019 - 07:56 PM

Tracy Brown at SlotCars-R-Us - The Track in White House, TN, offered some 3D-printed chassis at one time. They just went out of business but may still have some available.

 

JK Products has a direct drive motor and maybe a chassis for it as I recall.

 

Don


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#11 MSwiss

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Posted 01 June 2019 - 07:59 PM

After doing the long-term testing on the Hawk 25, with its lockup brakes, I talked JK/Jerry Kulich into possibly developing a direct drive car.

He did, in 1/32. IMO, they are a bit light on brakes.

You can PM Nelson Swanberg on how well they work as a rental. IIRC, his home track, Downriver Speedway, uses them.

 

jk1.jpg

 

jk.car.jpg

 


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Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516


#12 Don Weaver

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Posted 01 June 2019 - 08:07 PM

That's right, Mike. I forgot they were 1/32... Sorry, Kim, but anyway the motors do exist.

 

Don


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#13 Tim Neja

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Posted 01 June 2019 - 09:34 PM

I wonder what Bob Scott runs for his rental cars?? He's down at the SD Fair right now running cars for hours at a time.  He could have some insight!!


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#14 axman

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Posted 02 June 2019 - 01:06 AM

Good feedback, guys. Thanks, Mike, for the pic and contact.   

 

I like the idea of no gears. The track hire will be looked after by staff that have no clue for repairs / maintenance. That will be me, no doubt with several call-outs a week! 


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#15 NSwanberg

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Posted 02 June 2019 - 04:00 AM

E=1/2mvv

 

JB is still using the WhisperJets. He maintains a rental car cannot have gears. He has been experimenting with the PM 25,000 rpm ball bearing motors and his customers seem to like it much more. Slower is more fun and easier on the track and cars. He has sourced some virtually indestructible drive belts for his rental fleet. It might be time for an IROC rental car race!

 

Seems to me Lucky Bob has the right formula for rentals. Old steel wing car frames with JK H7s. He maintains they are easy to drive and so light they do not hurt much when driven out of the slot by new racers and the wings act like parachutes!

 

Swiss' tower of power looks like a must to me. Some HO guys have found and fabricated individual power supplies for each lane at a much lower cost.

 

power.jpg


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#16 slotcarone

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Posted 02 June 2019 - 06:52 AM

Years ago Jim at Hudson Valley Raceway built a fleet of rental cars out of old stock Champion or maybe JK (old age!!)  stainless flexi chassis and they were indestructible. With 48 pitch gears, never any problems with them. Biggest issue is finding the right motor for the correct amount of speed on your particuler track/power set-up.


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#17 MSwiss

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Posted 02 June 2019 - 02:11 PM

Mike,

 

That's why I made the effort to do the adjustable power, on each lane.

The motor doesn't matter. The point is to slow them down, and more important, make them even.

To whip the kids into a frenzy, so they will rebook, like the below twins, who had their party by me last year.

Or the party yesterday, where the kids had been at so many parties here in the past, they were both announcing and running the keyboard for me.

One woman kidded me that I should provide some sort of punch card, as it was Brady's fifth party that he attended by me.

20190602_131025.jpg


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Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

17B West Ogden Ave Westmont, IL 60559, (708) 203-8003, mikeswiss86@hotmail.com (also my PayPal address)

Note: Send all USPS packages and mail to: 5858 Chase Ave., Downers Grove, IL 60516


#18 slotcarone

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Posted 02 June 2019 - 03:34 PM

That's awesome, Mike! Keep 'em coming back!


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#19 axman

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Posted 02 June 2019 - 04:24 PM

As Mike says, motor size is not that important when you can simply change track voltage.
 
I used to stick a whole lot of diodes in the rental cars to slow them down but now power supplies are getting so  much cheaper. I bought eight of these... I tried it on my Hudy and it works a treat.  Puts out 5 amps, is self-regulating. and only costs about $10 US. Available from HERE.
 
I just updated above seller information. Has power suppliers in various voltages and plugs. See post below.

s-l640.jpg
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#20 NSwanberg

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Posted 03 June 2019 - 04:49 AM

Downunder do you run at 110v or 220v?
 
I cannot find the input voltage requirements?

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#21 Gill A

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Posted 03 June 2019 - 05:54 AM

220 volts.

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#22 axman

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Posted 03 June 2019 - 07:02 AM

I cannot find the input voltage requirements?


Self regulates; there is no switching required. It operates on both voltages. You can order it with a 2 pin USA plug or Euro round pin.

There are a few on eBay selling the same item. That seller has change his product slightly.

Check out THIS ONE.

ps.jpg
Kim Axton

#23 axman

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Posted 03 June 2019 - 07:19 AM

If one were to have the option of magnets for traction, as I do, a wing car chassis with a thicker LMP body, 3/32 axle, 48 pitch gears and a slower motor makes a rental that is so light it's almost indestructible.


Pretty impressive, Jim. If I still had my King or Slingshot that chassis would be a great 'hire car' intro to real slot car racing. Trying to figure out the guide... it does pivot slightly?
Kim Axton

#24 jimht

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Posted 03 June 2019 - 02:30 PM

The guide has normal movement; the rubber band keeps it centered.

 

The lead wires rarely break anywhere near the guide, usually outlast several gear sets and motors.

 

I sell an RTR car with an LMP body with normal pin tube mounts and up to a Hawk7 motor that is raced as a basic class called Group F LMP.

 

Lap times and totals slightly better than USRA Group F Wing on my 180' Engleman.


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#25 Rotorranch

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Posted 03 June 2019 - 04:58 PM

What's the dohickey on the guide, and are they available? I know what it does, but what does it look like?

 

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