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Old 07-02-2016, 04:55 AM   #9271
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Questions??

Ok so I have just rebuilt my a700 - put carbon arms back on (removed them to put on my a800, but the alu ones don't seem to work as well on the a700) also put the new thinker drive shaft on and removed the bearing brace etc. Ive also removed the carbon top plate and installed a chassis stiffener.

My first question is, how many screws do i need for the stiffener? I currently have one at each end holding it in place - is this enough or do i need a center one as well?

Second Question - will a set of ceramic bearings make any difference to the 700? The standard awesomatix ones seem to be pretty good - anyone used ceramic with any benefits?

Cheers,
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Old 07-03-2016, 04:42 PM   #9272
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Ok so I have just rebuilt my a700 - put carbon arms back on (removed them to put on my a800, but the alu ones don't seem to work as well on the a700) also put the new thinker drive shaft on and removed the bearing brace etc. Ive also removed the carbon top plate and installed a chassis stiffener.

My first question is, how many screws do i need for the stiffener? I currently have one at each end holding it in place - is this enough or do i need a center one as well?

Second Question - will a set of ceramic bearings make any difference to the 700? The standard awesomatix ones seem to be pretty good - anyone used ceramic with any benefits?

Cheers,
I can't comment on the bearings. But with the stiffener, it's the same as the a800, more screws equals stiffer. I've never used only a single screw, but 2 is no problem. I'd suggest if you use a single screw, use a couple of grub screws to hold it in place.
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Old 07-04-2016, 01:22 AM   #9273
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I can't comment on the bearings. But with the stiffener, it's the same as the a800, more screws equals stiffer. I've never used only a single screw, but 2 is no problem. I'd suggest if you use a single screw, use a couple of grub screws to hold it in place.
Thanks Schwarta. I tried it out yesterday with two screws - one at each end. No issues, and seems to have a little more traction than it did with the carbon top plate. Race day this weekend, so i'm looking forward to seeing if its any faster setup like this

Cheers,
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Old 07-04-2016, 01:53 AM   #9274
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I am using ceramic bearings all through out and I can say that I can really feel the difference. I am using Avid ceramic bearings, BTW.
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Old 07-05-2016, 03:21 AM   #9275
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I am using ceramic bearings all through out and I can say that I can really feel the difference. I am using Avid ceramic bearings, BTW.
Awesome. I was looking at Acer as they do sets for the Awesomatix cars - but id prefer Avid as Ive used them in other cars and never had an issue. Anybody know what sizes the bearings needed are by chance?
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Old 07-05-2016, 04:21 AM   #9276
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Awesome. I was looking at Acer as they do sets for the Awesomatix cars - but id prefer Avid as Ive used them in other cars and never had an issue. Anybody know what sizes the bearings needed are by chance?
The hubs and gearbox bearings are 10x6x3.
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Old 07-05-2016, 03:18 PM   #9277
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Why put rubber sealed steel bearings on a $1000 Rc car ??? I only use Acer ceramic bearings.... Yes , there is a big difference...
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I am using ceramic bearings all through out and I can say that I can really feel the difference. I am using Avid ceramic bearings, BTW.
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Old 07-11-2016, 06:26 AM   #9278
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Picked up an old school A700L (I think) for $100 as a roller. Chucking my 13.5 gear in it, probably be more reliable than my Evo 2 (which is still mid rebuild, 21.5 which is my main class, has gone to my T4 for now)
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Old 07-11-2016, 02:10 PM   #9279
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The next step for the A700 in stock classes is drivetrain weight reduction from the all steel 83+gram drivetrain to a potential 32 gram aluminum 7075 drivetrain... I know it will not be as durable as steel, but 50+grams rotational mass loss is very big in stock racing, when you consider that most of the competition's drivetrain weighs around 78 to 90grams...
Just a thought guys....
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Old 07-11-2016, 02:47 PM   #9280
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The next step for the A700 in stock classes is drivetrain weight reduction from the all steel 83+gram drivetrain to a potential 32 gram aluminum 7075 drivetrain... I know it will not be as durable as steel, but 50+grams rotational mass loss is very big in stock racing, when you consider that most of the competition's drivetrain weighs around 78 to 90grams...
Just a thought guys....
got any links to these lightened parts?
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Old 07-11-2016, 03:19 PM   #9281
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Lightened aluminum parts are the way forward for the A700, and need to be manufactured either by Awesomatix or an aftermarket company... So far, no company has taken up the challenge. If you've heard different, don't hesitate to post the links....
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got any links to these lightened parts?
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Old 07-11-2016, 03:27 PM   #9282
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Lightened aluminum parts are the way forward for the A700, and need to be manufactured either by Awesomatix or an aftermarket company... So far, no company has taken up the challenge. If you've heard different, don't hesitate to post the links....
Why are you suggesting they buy parts that you know don't exist?
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Old 07-11-2016, 03:29 PM   #9283
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Why are you suggesting they buy parts that you know don't exist?
Cause he's a troll.
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Old 07-11-2016, 03:36 PM   #9284
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A manufacturer has to take up the challenge, and build the lightened aluminum parts in order to increase the performance of the A700. I never suggested that people should buy parts that have not been manufactured yet, I just suggested a way forward for the A700. Please read carefully, and understand first, before posting a reply....
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Old 07-11-2016, 04:59 PM   #9285
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My A700 and Evo 2 both come in at around 1300 grams RTR so I am already having to add 50 grams of ballast, lightening drivetrain parts would be counter-productive for me.

I would like to see a stronger version of P11, seems that they wear out and eventually slip over the pin which causes slop in that diff pinion area, and can bind up the whole assembly. Seen it on a couple of cars myself. Maybe an alloy tube? Most cars which have bearing spacers in the hubs use an alloy one.
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