With these modules you can easily construct a mobile platform that is exactly
the length and width you need.
Each unit
includes a 10.1" length of the 3/8" extruded square tubing.
The tube houses a two-stage chain-and-sprocket speed reducer and a 4" wheel.
It bolts right up to our E-150 motor or either of our S28 Magmotors. This unit
is even easier to use than a motor with a built-in gear head because our modular
drive unit also includes a wheel. Just bolt it in place, plug it in, and go!
You can
easily mount these modules into your robot by drilling and tapping some 1/4-20
screw holes right into the 3/8" aluminum wall. Four screws
should be enough to mount it to a base plate or frame. You can also mount your
armor or other components directly to the module using more tapped holes. We
left the hole locations up to you so that you would have maximum flexibility
in mounting.
The extrusions
are symmetrical so your motor can be mounted on either side. We call these "Type-A" and "Type-B".
For a four-wheel drive robot, you would typically need two of each type.
Just choose the types that you need on our order form. You can always reconfigure
them if you change your mind.
Like all
our kits, no chain tensioners are used in the modular drive units. The chains
are so short, and the axle locations are machined to such tight tolerances,
that chain tensioners are not required. Some chains start out slightly on
the tight side but they loosen up once the chains are broken in. This is
one of our key cost-cutting features in all our kits. We reduced the parts
count and the cost with no impact on the ruggedness. We tried to heed the
advice of Antoine de Saint-Exupery when he said "You know you've achieved perfection
in design, not when you have nothing more to add, but when you have nothing
more to take away." But we made sure to temper our enthusiasm for that
philosophy with Albert Einstein's advice: "Everything should be made as
simple as possible, but not simpler."
Specifications:
Ships fully assembled with 5.6:1 or high speed
3.4:1 reduction ratio
4" wheel included
Height: 4.0"
Length: 10.5"
Weight Bare: 5.1 Lbs.
Weight with E-150 motor: 8.5 Lbs
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Battlekit Single Drive Module A
Ampflow E-150 motor
S28-150 Magmotor
S28-400 Magmotor
4 Inch BattleKit Robot Wheel