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View Poll Results: Should the new HFAY motor be compulsory? Please do not vote until you have used one.
Yes 8 72.73%
No 1 9.09%
Not Sure 1 9.09%
Dont care 1 9.09%
Voters: 11. You may not vote on this poll

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Old 2008.06.15, 05:42 PM   #1
UK, Stafford Mini Z Racer
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PN HFAY Motors - First Impresions!

ok, where shall i start?
Right, what i did.
I took 2 of my cars, one being my HFAY class car and the other my OPEN class car and ran them both on the dyno and the track, then changed the motors for the new PN HFAY class motor and did the same, to compare.
And got some interesting results, as follows.

1st Test.
HFAY car: Single stack 3010 FETS - stock motor. 8t Pinion gear.
Clocks 25kph on the dyno, runs smooth on the track with good top speed and a nice gradual acceleration making it a smooth run around the track.

Changed motor for PN HFAY motor.
Clocks 17kph on the dyno, lacks the same top speed on the track and is now considerably more punchy, especially when you consider this is running an 8t pinion gear, but the punch is quickly adapted to as the top speed is lacking.
On a smaller track i.e. HFAY track, this would probably be a good runner, though i believe stacked FETS would leave this standing.

2nd Test.
OPEN car: Single stack 4562 FETS - X Speed motor. 9t Pinion gear.
Clocks 33kph on the dyno, extremely fast to accelerate, maybe a little too fast for sensible driving! but pretty smooth with a bit of fancy finger work on the throttle, though can be ridiculasly punchy to the untrained finger making it an 'acquired' driving style.

Changed motor for PN HFAY motor.
Clocks 23kph on the dyno, VERY fast to reach top speed, literally, about 1 second to get to top speed, but again, because top speed is not THAT fast this is workable. A few minutes practice and the eager racer will have it mastered, on a track this size (running distance about 70 meters) though i think on a HFAY track this may make life hard. It is very punchy indeed and no amount of turning down the arc is going to help, my throttle is set to
-100% ARC and it still takes off like a rabbit with a rocket up its bum!

So theres the results! i find them interesting as i had heard the these motors were supposed to level out the playing field, so to speak.
I'd heard that it wouldn't matter what FETs you had in they would all run at about the same speed, obviously this isn't the case, one of the lads in our club put a PN HFAY motor in his 2.4 gHz car (which i understand has double stack 3010 FETs as standard) and the single stack 4562's left it standing.
I also ran my HFAY car with the PN HFAY motor and an 8t pinion, along side a car running single stack 3010s with a stock (ready set) motor on a 6t and they performed more or less the same, with a little smoother running from my car because of the 8t.

So it would seem that these motors ARE greatly affected by the FETs that you have fitted, and i forsee double stacked 4562's on the horizon making the HFAY lap times get a little silly!
The question i wonder is: Are these motors going to become mandatory, or are they going to be optional?
I feel that if people are allowed to keep running Ready Set motors, and have whatever FETs they like, it could get a little out of hand, a stock motor is obviously faster than these on top end, so if you run a double stack 4562 FETs, and a Ready Set motor, you should be the fastest thing on the track, rivaling most OPEN class cars.
I know obviously there is going to be an optimum speed for a HFAY track, but still, i can't help but feel this would be better if everyone was MADE to run the new PN HFAY motor.
I would call for it to become mandatory for entry in to the HFAY.

Let me know what you guys think of the new motor and how you feel about them?!
Racing a Limited Edition Lamborghini Murcielago.
No1 of only 3000 made.
'There can be only one'

Last edited by Neomax; 2008.06.15 at 06:18 PM.
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