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Old 03-06-2008, 10:50 AM   #871
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HPI Pro4 and Cyclone arms and uprights etc... work and work well.
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Old 03-06-2008, 11:16 AM   #872
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Quote:
Originally Posted by razzor View Post
HPI Pro4 and Cyclone arms and uprights etc... work and work well.
They do work well, the only reason Josh used the xray parts was because he thought they were more reliable than the HPI parts.
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Old 03-06-2008, 01:02 PM   #873
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i would think they are... i have not had good luck with HPI steering blocks in the past.

although, i havent had the same problems on the TOP car. only breakage i have had on it was the rear hub, but nothing out of the ordinary.

i think he used the Xray parts because he was comfortable with their geometry and probably work better with the foam tires...
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Old 03-06-2008, 01:43 PM   #874
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Actually, if you read Josh's post in here he said he was faster with the HPI parts.
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Old 03-06-2008, 04:52 PM   #875
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could be... i didnt remember reading his post. the HPI setup has been good inb the past for me on rubber tires, tho. i dont run foam much at all...

im thinking there might be a TOP designed suspension on the horizon tho... im sticking with the std set till then, personally.
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Old 03-06-2008, 05:04 PM   #876
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I've run both rubber and foam with the HPI set-up. I can't complain at all. If TOP come out with their own suspension, I'll be more than happy to use it.

Of note, the Xray T2 steering knuckles fit on the HPI suspension. In my experience, they are weaker.
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Old 03-06-2008, 11:15 PM   #877
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Ive been running 2 chassis and lately 3 and in over a year i have only broken the plastic upper bulk head bracket that holds the shock tower.
evrything else holds up well to the punishment it takes.
We run 6 cell, outdoors on asphalt.
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Old 03-11-2008, 01:40 AM   #878
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hey, does anyone know where I can find a spring lb's chart for the top springs or just the standard ones that come in the box?
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Old 03-11-2008, 03:18 AM   #879
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Try Rod at RC Shop.

www.rcshop.com.au
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Old 03-11-2008, 05:14 AM   #880
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http://www.top-racing.jp/showProduct...&ProductID=135
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Old 03-11-2008, 06:12 AM   #881
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Quote:
Originally Posted by Jamesalex View Post
hey, does anyone know where I can find a spring lb's chart for the top springs or just the standard ones that come in the box?
Sorry but can't be bothered goin and gettin my sheet out of the garage at the moment but I do remember that kits springs are 15.2lbs rear (more coils) and 15.8lbs front (less coils). Also it should be noted that the spring rates are not in order of the springs as confirmed by my spring dyno. I'll post the rates both converted and actual when I get a chance.

As it stands I have changed springs away from kit springs 2 times since I have had this chassis. I wouldn't bother with option springs unless you race on low grip. Just tune with the swaybars. I run between 1.2-1.6mm with kit springs and always have plenty of speed.
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Old 03-11-2008, 06:31 AM   #882
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Here is the list of option and kit springs:

PS-S14500 Racing Spring 1.4x5.00 22.5mm 332gf/mm
PS-S14525 Racing Spring 1.4x5.25 22.5mm 308gf/mm
PS-S14550 Racing Spring 1.4x5.50 22.5mm 288gf/mm possible std kit spring
PS-S14575 Racing Spring 1.4x5.75 22.5mm 270gf/mm
PS-S14600 Racing Spring 1.4x6.00 22.5mm 254gf/mm
PS-S14625 Racing Spring 1.4x6.25 22.5mm 240gf/mm
PS-S15525 Racing Spring 1.5x5.25 22.5mm 437gf/mm
PS-S15550 Racing Spring 1.5x5.50 22.5mm 406gf/mm
PS-S15575 Racing Spring 1.5x5.75 22.5mm 379gf/mm
PS-S15600 Racing Spring 1.5x6.00 22.5mm 348gf/mm
PS-S15625 Racing Spring 1.5x6.25 22.5mm 341gf/mm
PS-S15650 Racing Spring 1.5x6.50 22.5mm 316gf/mm
PS-S14450 Racing Spring 1.4x4.50 22.5mm 392gf/mm
PS-S14475 Racing Spring 1.4x4.75 22.5mm 359gf/mm possible std kit spring

Kit spring p/n

P950-475 4.75 windings
P950-550 5.5 windings
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Old 03-11-2008, 07:40 AM   #883
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Thanks for the info guys, on another note how much flex,twist,tweak what ever you call it do you get in the chassis I have a carpet flex and standard 2mm chassis an they seem to twist very easy unlike the xray use too any ideas on this?
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Old 03-11-2008, 02:54 PM   #884
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Quote:
Originally Posted by razzor View Post
Here is the list of option and kit springs:

PS-S14500 Racing Spring 1.4x5.00 22.5mm 332gf/mm
PS-S14525 Racing Spring 1.4x5.25 22.5mm 308gf/mm
PS-S14550 Racing Spring 1.4x5.50 22.5mm 288gf/mm possible std kit spring
PS-S14575 Racing Spring 1.4x5.75 22.5mm 270gf/mm
PS-S14600 Racing Spring 1.4x6.00 22.5mm 254gf/mm
PS-S14625 Racing Spring 1.4x6.25 22.5mm 240gf/mm
PS-S15525 Racing Spring 1.5x5.25 22.5mm 437gf/mm
PS-S15550 Racing Spring 1.5x5.50 22.5mm 406gf/mm
PS-S15575 Racing Spring 1.5x5.75 22.5mm 379gf/mm
PS-S15600 Racing Spring 1.5x6.00 22.5mm 348gf/mm
PS-S15625 Racing Spring 1.5x6.25 22.5mm 341gf/mm
PS-S15650 Racing Spring 1.5x6.50 22.5mm 316gf/mm
PS-S14450 Racing Spring 1.4x4.50 22.5mm 392gf/mm
PS-S14475 Racing Spring 1.4x4.75 22.5mm 359gf/mm possible std kit spring

Kit spring p/n

P950-475 4.75 windings
P950-550 5.5 windings
I used this spring converter to convert all of the spring rates to imperial:
http://www.hraefn.net/projects/spring_rates.php
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Old 03-12-2008, 01:05 AM   #885
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Ok guys... Here is the spring list with both converted and "actual" rates
1.4x4.75 22.5mm 359gf/mm = ??.?lbs / 15.8lbs
1.4x5.00 22.5mm 332gf/mm = 18.6lbs / 17.1lbs
1.4x5.25 22.5mm 308gf/mm = 17.2lbs / 15.7lbs
1.4x5.50 22.5mm 288gf/mm = 16.1lbs / 16.0lbs
1.4x5.75 22.5mm 270gf/mm = 15.1lbs / 15.0lbs
1.4x6.00 22.5mm 254gf/mm = 14.2lbs / 14.4lbs
1.4x6.25 22.5mm 240gf/mm = 13.4lbs / 12.1lbs
1.5x5.25 22.5mm 437gf/mm = 24.5lbs / 19.9lbs
1.5x5.50 22.5mm 406gf/mm = 22.7lbs / 17.2lbs
1.5x5.75 22.5mm 379gf/mm = 21.2lbs / 18.4lbs
1.5x6.00 22.5mm 348gf/mm = 19.4lbs / 17.9lbs
1.5x6.25 22.5mm 341gf/mm = 19.1lbs / 16.5lbs
1.5x6.50 22.5mm 316gf/mm = 17.7lbs / 16.2lbs

All the actual rates where done on an integy spring dyno using an empty tamiya shock to mount and tested over 10mm of travel. The results I got where repeatable so the number are correct. Interestingly I got 15.2lbs actual reading from my kit springs which rate as 15lbs even from the spring kit. Must make sure I don't mix them up!
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