Servo - February 2009

• Design philosophy: Tourinho was
built in a few weeks since we only
had less than a month between
RoboGames 2006 and the hobby-
weight class debut in Brazilian
competitions. We aimed to scale
down Touro's best features, use
readily available materials and
some scrap. Along the last two
years, several improvements were
made in order to keep it up
with the competition, such as
increasing the drum diameter,
overvolting the weapon motor,
and reinforcing the armor.

featherweight Hulk, after disabling its ICE-powered vertical spinning bar. SV

Tourinho vs. Agressor — Robocore Winter

Challenge 2006 finals.

• Builder’s bragging opportunity: Tourinho won all the Brazilian hobbyweight competitions since its debut in 2006. Paired up with his fellow hobbyweight wedge Puminha, Tourinho won by knock-out a fight against the

Photo courtesy of RioBotz

PARTS IS PARTS:

Screwdrivers: Straight up

r with a twist

● by Nick Martin

Both screwdrivers.

This month, we are reviewing two cordless screwdrivers from Bosch. While they share many similar features, they each have special strengths and uses.

PS20/GWR Screwdriver:

Street price around $130

This is the conventionally shaped driver of the pair. It has all the usual features of a small cordless driver and adds a few features of its own. The 10.8V pack uses lithium-ion cells, which outlast NiMh cells and appear to deliver more current too — I was