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Old 05-21-2003, 08:50 AM   #3481
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it does look cool! but the chubs just free the suspension up so much more. I am no expert on the pb cause I have only run it two or three race days so i could be wrong just opions
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Old 05-21-2003, 11:01 AM   #3482
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Quote:
Originally posted by RandyB
it does look cool! but the chubs just free the suspension up so much more. I am no expert on the pb cause I have only run it two or three race days so i could be wrong just opions
Can you please elaborate on how the c-hubs frees up suspension more than pillow-ball?
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Old 05-21-2003, 12:18 PM   #3483
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Devin,

A race enginner or race car designer will tell you that a suspension system must be as efficient as anything else on the car. By that I mean as little sticktion, binding, vibration, slop, weight, etc as possible.

The PB suspension system is less efficient than the C-Hub because it has captured pillow balls that are in a plastic socket with an aluminum cap to hold them in place and keep tension. Too little tension and youve got sloppy suspension. Too tight and its like having 300 wt oil in your shocks. Get it right or when its new and youve a got a very smooth suspension.
It is also heavier and thats never any good. Especially on a light weight electric car.

On a gas car-they work great and they appear to be much more durable than C-hub. IN gas racing durability is equally as important as efficiency in some ways. Also-the gas cars are a lot heavier so the weight is less of an issue.

Thse are my observations-right or wrong.
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Old 05-21-2003, 01:03 PM   #3484
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I'd have to say your right on the money Ray. PB's are great when you need durability in a 30-minute gas main, but they aren't the most efficient suspension choice for 5-minute electric race. Not to troll the board, but that reasoning further extends to belt driven cars like the T1. X-ray has done an amazing job of creating what I feel are the most efficient belts possible, but in the end they still give up efficiency compared to shaft driven cars. Is that efficiency enough to really matter? Probably not, for now, but I wouldn't be surprised to see Xray change drive trains in the near future. For that matter, I wouldn't be surprised if they released a special stiffened version of the T1R racer chassis in future T1 kits instead of the graphite plate. IMHO Xray looked too much to Serpent's gas cars for design ideas (PB's and Belts). I have no doubt that with some more experience and their unmatched attention to build quality that Xray will continue to improve their cars.
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Old 05-21-2003, 01:04 PM   #3485
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Ray..good answer. I never really thought of it that way. I have always tuned the pillow-ball suspension based on the instruction manual and have always had good results. (ie no slop and proper moving suspension parts...just don't over tighten) How much weight do you think you actually save by changing over? How is handling of C-hubs better than actually running with pillowball?

Thanks for bringing up nitro's too since the majority use pillowball suspension due to it's stronger.
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Old 05-21-2003, 07:19 PM   #3486
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Hello All

I will be attending the Reedy TC Race of Champions this memorial day weekend. I will be taking numerous pics of the racers and cars and post them under the same named thread. Check it out! I'll especially be spending time with the international Xray team and hopefully get some insight with the Hudy brothers.
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Old 05-22-2003, 05:24 AM   #3487
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wooo hoo cant wait to see em!
find out when we may see the new pullies etc.
thanks
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Old 05-22-2003, 06:53 AM   #3488
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Good luck Neal!
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Old 05-22-2003, 08:56 AM   #3489
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Default New Pulley

Here's the best I can do. This picture was sent to me:
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Old 05-22-2003, 09:22 AM   #3490
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Default Re: New Pulley

Quote:
Originally posted by Jimmy Fukuyama
Here's the best I can do. This picture was sent to me:
Jimmy...

Does the pulley kit come with pulleys for the one-way diff/spool?

What will the complete kit include...just curious...
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Old 05-22-2003, 09:32 AM   #3491
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Default Re: Re: New Pulley

Quote:
Originally posted by rc-zombies
Jimmy...

Does the pulley kit come with pulleys for the one-way diff/spool?

What will the complete kit include...just curious...
RC Zombie,

As you can see from the pic, it comes with I believe 4 pulleys which includes the front for one-way and spool. Check the pic again and it should be the lower left pulley.

Jimmy
PS. Here's a pic of the new front wire anti-roll bars.
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Old 05-22-2003, 09:57 AM   #3492
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HA! I coudn't wait and modifyed a set of rear bars for the front. If I had to do it again I would just wait for them to release them. The funny part is I haven't had a chance to test it out. The pully set looks interesting.
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Old 05-22-2003, 10:09 AM   #3493
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Default Re: Re: Re: New Pulley

Quote:
Originally posted by Jimmy Fukuyama
RC Zombie,

As you can see from the pic, it comes with I believe 4 pulleys which includes the front for one-way and spool. Check the pic again and it should be the lower left pulley.

Jimmy
PS. Here's a pic of the new front wire anti-roll bars.

Thanks Jimmy!
Can't wait to get them...along with the new wire front anti-roll bars...

How is Japan?
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Old 05-22-2003, 10:57 AM   #3494
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oh by the way I have decided to keep the xrays figure it would cost too much to replace and nobody knows the value unless you already have one.
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Old 05-22-2003, 11:06 AM   #3495
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Default Pulleys and new belt.

I run against some super fast stock drivers-all running TC3!!! The new rear belt and pulleys should go a long way to close the gap in speed out of mid to slow corners!!!
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