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Thread: cr-01 tipping over

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Old 09-17-2014, 02:06 PM   #1
Join Date: Jul 2014
Location: norway
Posts: 16
Default cr-01 tipping over

Added wheel wheel weights and done lots of upgrades.

But how do i lower it ? is it a easy way to do it ? ?
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Old 09-18-2014, 12:06 AM   #2
Rock Stacker
Join Date: Mar 2014
Location: Vancouver, British Columbia
Posts: 58
Default Re: cr-01 tipping over

You want the height out of a crawler/scaler. You could try a lighter battery. Lowering it would require different shock placement and using the barrel springs offered by tamiya.
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Old 09-18-2014, 02:06 AM   #3
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Join Date: Mar 2011
Location: Wales,UK
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Default Re: cr-01 tipping over

The barrel springs do lower it probably 10mm, but they only fit well into the kit plastic spring platforms, or the GPM alloy items, both of which use the bolt on side clamp. The barrel springs do not like the alloy platforms where you 'screw' the spring into the groove (3 racing for instance).

Dependent upon which hop-ups you have fitted you can add a fair bit of weight in the wrong area

- the alloy side frames are much heavier than the plastic items for instance and 100% of them sits above the axle line.
- ditto the alloy cross braces at the end of the chassis rails - these much be 50g heavier than the plastic items
- same with the central motor skid plate - alloy items are heavier than the plastic one
- I've not weighed it but a CR-Tuned motor feels heavier than a stock silver can 540 too
- then there's the body and any accessories - my roof rack probably weighs over 100g without anything added to it

As already mentioned, run a 2200mAh soft case lipo to save 100g+ over a hard case 4000mAh pack.

You could add weight to the axles themselves , or at the servo bed - at least this is non rotational mass, less wear on the drivetrain than just adding more weight at the wheels.

Last edited by Percymon; 09-18-2014 at 02:46 AM.
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Old 09-18-2014, 12:04 PM   #4
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Default Re: cr-01 tipping over

Good point Percymon - although not as asthetically pleasing perhaps, adding weight to the axles puts the weight nice and low and avoids the afore-mentioned wear and tear on the drivetrain associated with extra wheel weight.
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