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Dig Unit for crawlers

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Dig Unit for crawlers

Post by Jcdeme on Thu 20 Oct 2011 - 13:46

What's a dig?


RTECH wrote:Increasing ground clearance of your rig depends on wat type of rocks you are crawling. Large and smooth rocks don't need much clearance, best run on droop setting. Smaller , sharp edges rocks require more ground clearance.
Normally rock crawlers will get stuck on the lower links and belly. Increasing the tire size only helps a little. Best is to use bent links and increase the belly height ( something like the mantis chassis).
Increase the weight to the front . Rear should not be heavy as this could result in the rig being pull back when crawling uphill. When crawling downhill, if the rig rear is light, it will tends to lift up. This is where the dig comes into operation. When the dig is engage the front of the rig will force to pull the locked rear in which cause the rig to squat. You can see the rig is squating when the rear shock is compress. This prevent the rear of the rig from lifting up.

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Re: Dig Unit for crawlers

Post by boolean21 on Thu 20 Oct 2011 - 14:03

Jcdeme wrote:What's a dig?


RTECH wrote:Increasing ground clearance of your rig depends on wat type of rocks you are crawling. Large and smooth rocks don't need much clearance, best run on droop setting. Smaller , sharp edges rocks require more ground clearance.
Normally rock crawlers will get stuck on the lower links and belly. Increasing the tire size only helps a little. Best is to use bent links and increase the belly height ( something like the mantis chassis).
Increase the weight to the front . Rear should not be heavy as this could result in the rig being pull back when crawling uphill. When crawling downhill, if the rig rear is light, it will tends to lift up. This is where the dig comes into operation. When the dig is engage the front of the rig will force to pull the locked rear in which cause the rig to squat. You can see the rig is squating when the rear shock is compress. This prevent the rear of the rig from lifting up.

Hi bro,
simply put... a dig unit allows you to switch between 4x4, rear wheels free rolling, and rear wheels locked...
would require at least a 3ch tx with 2 position or 3 position third channel...
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Re: Dig Unit for crawlers

Post by Jcdeme on Thu 20 Oct 2011 - 14:34

wow.. sounds cool. Can the Tundra be mod for that? i'm already using the 3rd channel of my MT4 to do the gear shifting....

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Re: Dig Unit for crawlers

Post by boolean21 on Thu 20 Oct 2011 - 15:08

Jcdeme wrote:wow.. sounds cool. Can the Tundra be mod for that? i'm already using the 3rd channel of my MT4 to do the gear shifting....

i'm not sure whether there are any bolt on dig units for highlift....
if not, you might need to do some modifications to fit a dig...

the dig will give a smaller turning angle, and also, can act as handbrake when doing steep hill decents... Smile
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Re: Dig Unit for crawlers

Post by Jcdeme on Fri 21 Oct 2011 - 11:59

Thanks bro. Will keep a look out. Sounds like an interesting mod to do.

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