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Old 11-05-2002, 12:34 PM   #1141
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well the HPI forum is gone...

taken from HPI's site

November 5, 2002.
We are in the process of changing to a new support system. Our goal is to help answer questions about HPI cars in an organized and easy to use format. The new system will not be an unlimited forum like we had in the past, it will be an interactive FAQ system. For those times when you want to chat with your buddies, we are hoping to have a live chat room to take care of those needs. If you are having forum withdrawals, see our LINKS section for a list of alternative forums that are just like our old forum.

We are on our way to Japan for the HPI Challenge World Finals, so the launch of the new support system will be delayed until after we return next week. If you have a question about an HPI product, please give our Customer Service department a call.

Thanks for your patience,
HPI Staff
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Old 11-05-2002, 06:52 PM   #1142
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Default 1way cups

Thad: I have not had a problem with the current cups but i noticed that the cvd bone is barely inside the cup. I am comparing this with my old pro2 where the bone settles halfway through the cup. Also, i noticed that the HB/Ova Pro3 diff have corrected this issue by making the cup longer, hence the bone is effectively more recessed inside the cup.
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Old 11-06-2002, 09:45 AM   #1143
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Default Pro3 questions

Am I to understand that there is now a new style of oneway diff for the front of the Pro3?
Which one is better?
Have any of you guys found a clip-on motor heatsink that will fit the stock Pro3 chassis. I already have the aluminum motor mount but am looking for a little more protection when running taller gearing.

Thanks,
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Old 11-06-2002, 09:55 AM   #1144
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Default Re: Pro3 questions

Quote:
Originally posted by popsracer
Am I to understand that there is now a new style of oneway diff for the front of the Pro3?
Which one is better?
Have any of you guys found a clip-on motor heatsink that will fit the stock Pro3 chassis. I already have the aluminum motor mount but am looking for a little more protection when running taller gearing.

Thanks,

Hi!! There is no way you can place a heat sink on the motor!

What i did: made the hole for the motor on the underside of the chassis bigger, placed an alumiun rear brace (looks more airy)and aded alum motor mount to add a little heat dessipation!

The alum motor mount from Jet is better in removig heat since its a 3 piece unit.

Lem
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Old 11-06-2002, 10:04 AM   #1145
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Default Pro3 Heatsinks

Lem2;

I really don't want to cut any of the chassis away. I already have the HPI aluminum motor mount and counter shaft mount.

I do pretty good with the car in sportman stock where ever I race it (usually top 3). Just looking for that slight edge over the competition.
SOMEWHERE I read that somebody got a small heatsink that fit, but I didn't write the information down. Did the Aluminum rear brace help the car in any way or is it just eye candy.

Thanks,

Last edited by popsracer; 11-06-2002 at 10:09 AM.
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Old 11-06-2002, 10:16 AM   #1146
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Default Another question

What motor are any of you racing in stock class? AND what final drive ratio are you running with that motor.
I am running a P2K2 with a 6.99 final drive. (spur~pinion x 2.25)

Thanks,
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Old 11-06-2002, 10:28 AM   #1147
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Default Hi

I only race stock class and i am still a novice driver.

I also use p2k2 pro and use a 78spur (48p) and a 26Tpinion

still depends on the track though, i sometimes go as high as 27t

pinion or go down to 24.

I tried placing a trinity heat sink on the Pro 3, i can squeeze it in but I have to cut some portion of the top brace, which caused additional flex, wanted to do it with the aluminum brace but, i might be just throwing money away!!


I use aluminum upper bulkhead support so i will do away with the plastic dif covers, the air seems to flow freely when i started to use them, It just like hara's car.


Lem

here's hara's car: http://isweb24.infoseek.co.jp/area/k...pro3/index.htm

Last edited by lem2; 11-06-2002 at 10:48 AM.
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Old 11-06-2002, 10:57 AM   #1148
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Default Hara's car

I have met Hara twice and Unimo once. Very nice and willing to share any information with you. I didn't have a Pro3 at the time though.
I really like the diffs on Hara's car. Probally not avalible in the US, right. Looks like he's running a raised roll center in the front. What do you think?
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Old 11-06-2002, 11:08 AM   #1149
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Default Re: Hara's car

Quote:
Originally posted by popsracer
I have met Hara twice and Unimo once. Very nice and willing to share any information with you. I didn't have a Pro3 at the time though.
I really like the diffs on Hara's car. Probally not avalible in the US, right. Looks like he's running a raised roll center in the front. What do you think?
I met both of them too.. very nice and helpfull racers. They help me tune my Pro3. Most of the HB stuff Hara uses is available in the US. contact Ricky's Rc Car. they most of everything except for the Delrin Diff. and Tower Hobbies has HB parts as well.
Yes Hara is using the new 1mm up suspension arm mounts in the front. I just got mine a few weeks ago..also let you adjust kick-up angle. Also got the HB 2.5deg rear mounts as well.
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Old 11-06-2002, 11:12 AM   #1150
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Default Popsracer

Hi!!! Yep parts in Hara's car are hard to find!!!


But i have them!!!! Got them at www.rainbowten.co.jp or at shopping.rcmodel.hk they are fast and relatively cheap!!!


Hope that helps!!!

the square arm mounts and kick up is cheaper than HB. but they are made by the same company (hehehehehehe)
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Old 11-06-2002, 11:18 AM   #1151
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Default

They are only a few dollar difference....at least with the HB parts you get tuning instructions..on the Square all you get is the part in a bag...and square won't be selling the new arm mounts..1mm and 2mm up front arm mounts,
2.5, 3.0, and 3.5 deg rear arm mounts.
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Old 11-06-2002, 11:25 AM   #1152
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Default rc-zombies

Quote:
Originally posted by rc-zombies
They are only a few dollar difference....at least with the HB parts you get tuning instructions..on the Square all you get is the part in a bag...and square won't be selling the new arm mounts..1mm and 2mm up front arm mounts,
2.5, 3.0, and 3.5 deg rear arm mounts.

Hi!! what will be the benefit of the new arms mounts?

sorry for my ignoramous question--thanks
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Old 11-06-2002, 11:32 AM   #1153
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The new arm mounts let you adjust roll center and kick-up angles.
Hara is currently racing with the 1mm higher mounts in front with 0 deg. angle.
and using the 2.5 rear toe-in blocks 0.5deg. angle...
This is what he used in the 2002 JMRCA.
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Old 11-06-2002, 05:27 PM   #1154
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A non-HPI sponsored forum has been set-up
for HPI users. Hope everyone here will join it...

http://forums.rcinfo.co.uk/
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Old 11-07-2002, 07:04 AM   #1155
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Quote:
Originally posted by Thad Garner

purplepro3,

It will have a different cup to accept the smaller one-way bearing.



-What problem are you guys having with the current one-way cup?
i guess my question is answered. look at how the cvd bone fits in this photo. it is deeper in the cup
Attached Images
File Type: jpg 72436 cup.jpg (99.8 KB, 78 views)
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