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Old 10-29-2014 | 05:52 PM
  #736  
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Those are nice and Ty uses them also because of his sponsorship.

Our goal is to go with standalone arms.

I guess we need to hear from those that posted here if they want sandwich stiffeners or dedicated arms. If they want CF sandwich solution, then I would say go with AVID.
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Old 10-29-2014 | 07:00 PM
  #737  
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Part of the reason Dirango arms break is because of their rigidity. It's also why their vehicles are so consistent performing vehicles and respond so noticeably well to changes. If you've held the D413 arms you'll know how rubbery flexible they are, hence he necessity for stiffeners.

What we need are arms that exude a touch more flexibility and THEN perhaps stiffeners as an option. In my personal opinion making it so the lower shock mount is captured for added strength and security would be of great benefit.
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Old 10-31-2014 | 10:11 PM
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I vote for sandwich design given the options possible. Could have two types of plastic and carbon fiber to have different levels of stiffness. Generally multiple materials gives for higher strength. I'd also like to see a material perhaps with long fibers used in the mold process to increase strength.
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Old 11-04-2014 | 10:44 AM
  #739  
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If you prefer sandwich way of stiffening or tuning, then we suggest Avid would be your better choice since they are already doing it.

The GRID suspension arm will be solid stiff arm with little flex. We want to maintain the sensitive handling properties but at the same time allow the arms to sacrifice themselves in the event of a severe crash to save the chassis.
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Old 11-04-2014 | 11:22 AM
  #740  
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A 5mm rear CF tower for the Tekno buggys and SCT would be a game changer. Try to retain the shock mount milling like they do on the front tower.
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Old 11-09-2014 | 07:46 AM
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Are you saying avid makes aftermarket DEX410 front arms in sandwich style?
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Old 11-09-2014 | 10:05 AM
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Originally Posted by 13Maschine
Are you saying avid makes aftermarket DEX410 front arms in sandwich style?
AVID is already in the business of making CF arm stiffeners, I am sure they will make it for the DEX410 if you contact them.
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Old 11-09-2014 | 11:39 AM
  #743  
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Originally Posted by Team Grid RC
We are experimenting with a new suspension arm design and if happy with the results, do a small production.

But we do need your input to develop the right suspension arms that will be intended for racing. We experience along with others being out of a heat just because we broke a suspension due to bad landing, catching the corner or crashing into another car on the track.

The goal is to produce system arms that can withstand more impact without breaking easily.

If you feel your suspension arms are fine, just ignore this post. If you are fed up with broken arms, lets discuss.
Count me in for b44.3 arms.
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Old 01-02-2015 | 01:25 PM
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Maybe you should make a bulkhead and arms using a crash back system like schumacher used to do in the 90's. I never broke an arm on my bosscat the whole time I ran it.

That would be an interesting project...
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Old 01-04-2015 | 03:25 PM
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Hi there, I picked up an RC8BE with the Grid RC mount already on it. This is the one without the extra bearing support.
I'm using a Turnigy 2000kV motor and have a question:
I can only get about 2/3rds of the pinion and spur interfaced. Any further and the set screw isn't over the motor shaft. The design of the mount doesn't allow traditional positioning of the pinion gear.
Any suggestions? What shaft length was the mount designed to use? I think the Trackstar motor may just be shorter than Grid's engineers intended.
Thanks in advance!
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Old 01-06-2015 | 08:16 PM
  #746  
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Originally Posted by DFMikey
Hi there, I picked up an RC8BE with the Grid RC mount already on it. This is the one without the extra bearing support.
I'm using a Turnigy 2000kV motor and have a question:
I can only get about 2/3rds of the pinion and spur interfaced. Any further and the set screw isn't over the motor shaft. The design of the mount doesn't allow traditional positioning of the pinion gear.
Any suggestions? What shaft length was the mount designed to use? I think the Trackstar motor may just be shorter than Grid's engineers intended.
Thanks in advance!
We did the design around the Tekin motors but many other motors also worked. Tekin has a 18mm shaft that extends from the can.

Which pinion brand are you using? We are using the Hot Bodies 67xxx short shank pinions.
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Old 01-07-2015 | 07:47 AM
  #747  
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Infiniity and Avid now have CF arm stiffeners and others may follow.

We have decided to put the arms project on hold as the CF stiffener could be the preferred path considering the ability to tune the stiffness to your liking with different thickness.
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Old 01-07-2015 | 05:56 PM
  #748  
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Originally Posted by Team Grid RC
Which pinion brand are you using? We are using the Hot Bodies 67xxx short shank pinions.
I am using a Robinson Racing pinion.
I'll measure the motor shaft as well as compare specifications between Robinson and HB pinions.
Thanks
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Old 06-13-2017 | 05:50 PM
  #749  
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Edited.
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