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JK Hawk 7 or Pro Slot 4002FK


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#1 gatormark

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Posted 10 August 2017 - 08:17 PM

Which is faster?
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#2 Kevin Donovan

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Posted 10 August 2017 - 08:32 PM

If you're comparing the PS-4002FK vs. JK Hawk 7, the Pro Slot motor is usually faster.



#3 Ramcatlarry

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Posted 10 August 2017 - 09:01 PM

Especially on tracks that have voltages over 13.5 and exceptional heavy wiring. The larger 36D brushes help make more power.


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#4 Jason Holmes

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Posted 10 August 2017 - 09:20 PM

P/S bad fast and a ton of brakes.

 

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#5 gatormark

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Posted 11 August 2017 - 05:13 AM

Then why does everyone run Hawk 7 in their race series?


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#6 Pablo

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Posted 11 August 2017 - 08:15 AM

Not sure which PS motor you mean. PS has a LOT of different motors.


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#7 Eddie Fleming

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Posted 11 August 2017 - 08:26 AM

Then why does everyone run Hawk 7 in their race series?

 

Because the Hawk 7 is a sealed motor you can put in a car and it will run well almost every time. No what springs or what brushes or blueprinting the brush hoods.


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#8 Dan Ebert

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Posted 11 August 2017 - 09:51 AM

You should be comparing the Hawk 6 and the Pro Slot FK.    The Hawk 7 is not a good match-up to the FK.  Two different types of motors.


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#9 Danny Zona

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Posted 11 August 2017 - 10:29 AM

I will say in FL the Hawk 6 or Hawk 7 is used in GTP.

Pretty close in speed from my understanding.

When I raced GPF wing cars I was faster with a Hawk 7 over the Hawk 6.

That was a long time ago though.


Test, test, test and go test some more.
You're never fast enough!!! 💯

Can I please have 10 more minutes of practice? I know I've had all day but I need more...😉

#10 Les Boyd

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Posted 11 August 2017 - 10:38 AM

Are you sure that the PS is faster than the Hawk 7... the Retro Hawk, yes the PS FK is faster, but I think the Hawk 7 is faster than the PS FK. 

 

And as stated the Hawk 7 is sealed and there is no need to replace the brushes and springs or blueprint the brush hoods. That makes the Hawk 7 much cheaper to use.


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#11 gc4895

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Posted 11 August 2017 - 10:46 AM

From the JK website, both the Hawk 6 (Neo magnets) and Hawk 7 (sealed motor) are rated at 48,000 rpm, though JK notes the Hawk 7 as "approximately 48,000). Anyone know the RPM rating of the Pro Slot FK?
Mark Bauer

#12 Danny Zona

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Posted 11 August 2017 - 10:48 AM

I believe Hawk 7 is faster then the Pro Slot FK.

I haven't used a Pro Slot FK in a while though.


Test, test, test and go test some more.
You're never fast enough!!! 💯

Can I please have 10 more minutes of practice? I know I've had all day but I need more...😉

#13 Danny Zona

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Posted 11 August 2017 - 10:55 AM

Not sure which PS motor you mean. PS has a LOT of different motors.


It would help clear things up. Most series run the HR JK. Hawk 7 is only used in GTP in FL.
Test, test, test and go test some more.
You're never fast enough!!! 💯

Can I please have 10 more minutes of practice? I know I've had all day but I need more...😉

#14 Pablo

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Posted 11 August 2017 - 11:14 AM

This is funny. We still aren't sure exactly which PS motor the OP is even talking about :laugh2:


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#15 MSwiss

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Posted 11 August 2017 - 11:48 AM

Pablo,

I threw caution to the wind and edited the title to the Pro Slot Mini that is easily their biggest current minimotor seller.


Mike Swiss
 
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Make checks out to Chicagoland Woodworking, Inc.


#16 Ramcatlarry

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Posted 11 August 2017 - 12:52 PM

PS 4000 shell supports an entire line of motors same as the larger "C" can system.  Go to Mabuchi website for design specs.  The "FK-130" can is actually the  sealed can with internal brushes and the "FC-130" is the snap-in style of the PS 4000 mini .


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#17 Racer36

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Posted 11 August 2017 - 01:33 PM

Title line says PS 4002FK.....that narrows it down pretty good.


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#18 Danny Zona

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Posted 11 August 2017 - 01:49 PM

Title line says PS 4002FK.....that narrows it down pretty good.

Im pretty sure it was edited. ☺
Test, test, test and go test some more.
You're never fast enough!!! 💯

Can I please have 10 more minutes of practice? I know I've had all day but I need more...😉

#19 bluecars

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Posted 11 August 2017 - 02:19 PM

The PS 4002FK has the same specs as the JK HR except stack length and PS has external brushes and springs. Never seen a PS 4002FK as fast as a JK H7.


Robert "Red" Valantine :diablo: 


#20 MSwiss

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Posted 11 August 2017 - 02:39 PM

Lap times should be similar, and as alluded to, will probably depend on power.

I think, in this area, the 4002FK is more popular.

Regardless, I think the OP was wondering more why one motor was used more regionally, than another, not if one was a few hundredths faster than the other.

I think he got his answer.

I'm going to close this thread unless he PM's me and has more questions, and wants me to reopen it.

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-time G7 King track single lap world record holder
17B West Ogden AveWestmont, 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
Make checks out to Chicagoland Woodworking, Inc.






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