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Go Back   TinyRC.com > 1/43 and Smaller > Kyosho dNaNo > Kyosho dNaNo Tracks

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  #1  
Old 08-14-2009, 03:26 AM
lornecherry lornecherry is offline
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Preview of the new Porta-Trax ... your opinions and thoughts please.

Here are some preliminary pictures of a new Porta-Trax system I've developed for our d'nano in-school leagues.

This project draws on the many tests that we conducted on running surfaces, infield materials, and improvement to/adaptation of, the Porta-Trax rail system. The new track system will be used in our Canadian school racing leagues, beginning 2010. That market called for the development of portable, roll-up tracks with a 10 minute setup time; and since none existed, this project was born to see if that was feasible, and if the d'nano itself was a good candidate for the school league. Eight months later, the answer is "yes" and "yes" to both those questions.

Depending on interest, this system may be sold as a ready-to-run, as a kit or as an 'open system', in that you would be able to buy the track components you wanted separately... for example, the base, the rail systems or infield system. The system is expandable, and the entire infield layout is easily changed in less than 10 minutes. (The 10 minute setup goal is possible with an oval, this design would take 15-20 minutes).

This particular track uses a completely seamless base and is 14'x6', but any size or shape can be built using this system, including multi-level or even exact replicas of full-scale race tracks. (I've always wanted to build Germany's Nürburgring)

The pictures below are of the very first prototype, constructed to test the base material -- this is still very much work-in-progress. (The rail system, although elegant, needs to be simplified, and there will be some changes to the infield material and the adjustable corner run-off strips).

I also need to get the material costs way down, as the rails system and infield designs are expensive.
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The goal was to build a portable track system for home use (and our school leagues) with the same scale detail as the d'nano, while offering the very best racing experience by letting the d'nano use all its speed and handling. This particular layout, with its banked corners coming off the main straight is very fast (beyond my driving skills) and is designed to reward a carefully chosen racing line, just as in full-scale racing. To slow things down with the same layout, I simply add to the warning ramps that change the racing line, as shown in the bottom picture.

Another major difference between this system and other tracks is the variable radius corners and sweeping chicanes that narrow into a "chute", just like an Indy Car or FIA course ... you have to pick your spots to pass. Lane widths are 22 inches on the main straight, narrowing to as little as 15 inches in portions of the chicanes. Templates would be made available for other widths and course designs -- useful if the HPI 1/32 class catches on. By making the system 'open' and thus allowing hobbyists to purchase the raw materials, I'm sure it would only be a matter of time before many interesting designs were built using the system.

The rails have considerable 'give' so that cars will not be damaged, cars will not get stuck on rails (but riding the rails will slow you down)

The whole system is completely portable and rolls-up for easy storage.

Let me know what you think...






Last edited by lornecherry; 08-14-2009 at 09:49 AM.
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  #2  
Old 08-14-2009, 09:56 AM
cosmicsoul cosmicsoul is offline
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Wow!

Man this is so cool! It looks really nice and well made. I wonder what the cost of one of these units would be, I am very interested. I wonder how this surface compares to the one being used at the Hobby Town locations.

The thing that I like about RCP is that is sort of the standard for Mini-z racing in the US. Even though there are variations in tracks across the country more traction, less traction you can easily adjust.

Anyway don't mean to take away from your creation, your work and attention to detail are very impressive that is mostly what I wanted to say. Great job!

Jay
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  #3  
Old 08-14-2009, 11:02 AM
patrick38 patrick38 is offline
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wow nice looking track you made there .i like the way you can make the track by using the flex gide rails
is the track raised from the ground ??
keep up the good work patrick
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  #4  
Old 08-14-2009, 03:44 PM
lornecherry lornecherry is offline
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Quote:
I wonder what the cost of one of these units would be, I am very interested. I wonder how this surface compares to the one being used at the Hobby Town locations.
Let me address the pricing and marketing of such a product, (as I see it). As my full-time job is an NPD consultant (new product development) and I've taught marketing at the univeristy level, a lot of thought was given to that aspect, as I built this system. Suffice to say that I'm wary of even entering the small scale R/C market in the first place, especially up here in Canada, where every Mini-Z track or Mini-Z hobbyshop in my province is now closed. (If R/C helicopters needed tracks, then that would be an attracitve growth market).

At best, this is probably a break-even project -- my justification being not business, but rather that I very much enjoy the creative and engineering aspects of track design. And although the cottage-type industry is antithetical to what I know, there's an otherwise unattainable smile when you create something by hand that other people enjoy -- even if its a time and money sink. (that line is well-rehearsed, as I continually try to convince my wife of the logic).
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Firstly, I have no intentions of postioning this product against RCP ...the market is much too small for that, and reaching CM (critical mass) would be very difficult with the end result probably hurting everyone in this small market. Besides, John is nice guy -- we are much more likely to cooperate than compete and I can assure you that we are searching for some common ground that will make sense to market.

Rather, and considering the costs, this track system will probably be postioned up-market with respect to pricing. The professional entertainment/party market is where this type of track system will be most successful. I am already working with a few entertainment suppliers to add lighting, sound, scale buildings, etc. And I also hope to bring over some high-end slot car hobbyists -- once they've experienced a properly prepared d'nano on this track they will switch.

On the other side of the market, the DIY (do-it-yourself) aspect that the Porta-Trax system has the potential to offer, should attract new hobbyists to this scale, and that is good for all market players and Kyosho. I can't set or even guess pricing, but I will say that the track in the pictures above cost about $180 - $200 in raw materials. Hopefully, I can design less cost into the rail and infield systems, as that stuff is expensive for the industrial grades used.
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Finally, exposing this track to thousands of 12-17 year olds through the school leagues will also increase the overall market.

In marketing, there are two ways to enter a market -- by competing against existing products or by growing the overall market -- our strategy is based primarily on the later. I can't disclose any more of the marketing or distribution plan at this point, but try to invision this track system as opening up new markets for the d'nano, or perhaps the HPI 1/32, should Kyosho falters in their NA strategy.
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OK, enough with the market position soliloquy; let me address your other questions:

Traction is a mid-level coefficient; probably a little less than RCP and in-line with generic EVA tiles. You can invoke throttle-induced oversteer (track-speak for a controlled slide) but tail-out, snap oversteer is rare, even with stock rears. (Trust me when I say that I did not even begin to design the track aspect until I was 100% sure of the realism and usability of the running surface.) You do need to upgrade the front tires to about 20-35 degrees, as the stock Kyosho tires feel like they've been injected with a high dose of Viagra.
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The track in the pictures is indeed laying flat on the floor; only the portion nearest the camera is banked to test high speed handling and turn-in. I do not want to disclose our leg system at this time, but yes, you will be able to quickly raise the track off the floor.


Last edited by lornecherry; 08-14-2009 at 11:05 PM.
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  #5  
Old 08-14-2009, 04:42 PM
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Namuna Namuna is offline
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Hi Lorne,

Very enticing progress you're making. I had a few questions:

1. How is the surface material at Keeping clean? How much and what type or routine maintenance is required?
2. From rolled-up to layed-out, does it lay flat? Lumps? Bumps, bubbles?
3. How do the infields, rail system, etc... adhere to the surface?

Thanks.
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  #6  
Old 08-14-2009, 08:51 PM
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MrNanoTrax MrNanoTrax is offline
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very nice looking track bro.... looks like it was built with dNaNo in mind
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