New Tamiya TRF 415 Version !

[Mastermind]

Anyone knows anything or have some details about this ?

[Maxxed Ross]

Yeah that's the new experimental 416 that's not due out for at least several months. One of my team mates knows a guy who is involved in testing it. Looks like it could be even better than the 415! [8D]

[stulec52]

not exactly....

http://www.rctech.net/forum/showthread.php?t=73541

[Hazy75]

TRF and TB are the two kit that Tamiya provide.What is the advantage and disadvantage of belt and shaft driven kit?

[minijosh]

Oh no, not that question again. I'm leaving before people start throwing controllers at each other.

[Hazy75]

Originally posted by minijosh

Oh no, not that question again. I'm leaving before people start throwing controllers at each other.

[/quote

Did i say something wrong?[:I]

[stulec52]

no, nothing wrong, it's just come up and went round and round before

[gozone]

I would say taht the benefits of belt drive vs. shaftdrive are these, but put very short..

The beltdriven cars don´t seem to be as hard on the diffs and gears as the SD-versions, perhaps due to the "sloppy" clutch-type effect provided by the time it takes for the belts to "set" when accelerating, providing less stress for the gears and diffs. The shaftdrive cars often accelerates more straight and "aggressively" than the belt cars, and are not so "touchy" when it comes to outdoor racing as the beltcars, simply because of the missing belts, not being stripped by small pebbles and sand. These are my own personal points of view, and since i have not yet got my EVO IV, but only have the 415, i make the conclusion concerning straightline acceleration and the aggressivity on my previous cars being the whole Schumacher SST series from 97 to Axis 2, versus the change from Axis 2 to my first TC3. (Beltdrive to shaftdrive)..

Now i am racing my TRF 415 (soon with "speed-secret" parts from a friend, who is a part of Tamiya World Team), in my local club, and it is doing really well, but i have also got a need to try out the evo IV even though i have been advised NOT to buy it. But when have i ever listened to anybody´s advice??. LOL.

My advice to you would be, if you are new to Touringcar racing, you should go to the club where you plan to race your car, and ask for free valuable advice for the racers driving there.

Anyway, should you choose not to go in a club, a 415 will never let you down!. It runs fantastic right out of the box, with the standard manual-setup provided, however, if you are going to race it on carpet, you might be better off without the rear stabilizer, plus i am running mine with white springs in front, and yellow in the back, and the 3-hole shockpistons all around..

Good luck on your choosing, and have fun racing..

Cheers.

Michael

[Wireless]

Belts are more efficient than shafts simply because the direction of rotation is constant throughout the drivetrain. Shaft drives have the direction of rotation changed 90° at two points in the drivetrain and wherever this happens, significant losses occur.

Shafts drives are easier to install and set up and require less maintenance though.

[stulec52]

quote:Originally posted by Wireless

Belts are more efficient than shafts simply because the direction of rotation is constant throughout the drivetrain. Shaft drives have the direction of rotation changed 90° at two points in the drivetrain and wherever this happens, significant losses occur.

Shafts drives are easier to install and set up and require less maintenance though.

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But shafts could be considered more efficient due to smaller rotating mass. or that most modern designs use 2 belts, therefore more drag.

Also, the last big touring car race, the Reedy, was won by a shaft driven car.

[Wireless]

Belts are more efficient as a transmission method there's much less loss through friction. They do, however have more inertia so they take more energy to speed up and slow down. You pay your money and take your pick I guess. Long open track, take a belt drive, twisty track, take a shaft drive.

As an aside, it's no accident that every single high performance motorbike uses a chain drive and not a shaft. There's definite benefits to maintaining the direction of rotation.

[stulec52]

quote:Originally posted by Wireless

As an aside, it's no accident that every single high performance motorbike uses a chain drive and not a shaft. There's definite benefits to maintaining the direction of rotation.

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That's kind of like comparing apples to oranges isn't it?

I mean a 2 wheeled full sized bike vs a 4 wheel drive 10th scale car.

Anyone who has ever driven an HPI pro 3 will tell you belt driven is not always the answer.

Anyway, we are getting way off the original topic now, my main problem with the car pictured is that this is just what Tamiya does now at the high end, brings out car after car after car. The regular racer just cannot keep up.

[XanderP]

How do you stick down the bats on the 416? Is it the same on all high end tourers? (Im more into offroad.)