MegaTech R/C Real World Helicopter Series Instrukcja Użytkownika Pobierz pdf (Strona 10)

TIPS & TRICKS

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MIRRORING

SERVOS

Split elevators can

cause problems if you

connect two servos through a Y-harness. Servos of

the same brand rotate in the same direction, and

this can result in differing geometry between sides.

This, in turn, produces unequal force and control-

surface reaction. An easy way to avoid this is to use

comparable servos from different brands that

rotate in opposite directions. Of course, the servos

should have roughly the same speed and torque

characteristics, but most standard servos are

enough alike to work.

Thomas Smith, Aberdeen, MD

Cut to 1/4"

SPOTLESS FUEL TANKS

A dirty fuel tank can lead to less than

immaculate performance and reliability,

but it can be a chore to get a cleaning

tool inside a tank. To make that easier, trim the bristles of a 6-inch acid brush to

about 1/4 inch. Bend the brush tip to approximately 45 degrees to create your own

tank scrubber. Pour an ounce or two of alcohol into the tank, swish it around, and

let it sit for 15 minutes. Then, use your scrubber to clean the residue from inside

the tank. If you need a sharper angle to reach a corner, bend the brush tip more.

For really stubborn spots, cut the bristles slightly shorter to get more scrubbing

action.

William Pote, Hobe Sound, FL

KEEP YOUR COOL

With electric power growing by leaps

and bounds, here's a simple cooler box

that you can build to get more flight

time and take better care of your bat-

teries. Cut a piece of 1/4-inch foam-

board into two pairs of matching sides

to make four sides of a box. Epoxy the

box together, but leave two opposite ends open.

At one end, insert a 12V fan from RadioShack

(item no. RS 273 243B; $10). Place your

charger on top of the cooler box (secure it

with rubber bands, if desired) and con-

nect the leads from the fan and the

charger to a 12V source. Then, place

your pack in the open end of the

box to cool it down before and during

charging. This way, you won't abuse your packs

by charging them while they're still hot, and you won't

have to wait as long before recharging.

Jack Hillyer, Seattle, WA

GRAB-MAGNET FOR SMALL PARTS

Little parts such as screws, pins, etc. can be difficult to retrieve one at a

time from containers, and if you fish around with your fingers, you

sometimes find the sharp end first—ouch! Next time, cut a strip from a

flexible refrigerator magnet to fit into the container. The magnet will

collect the parts from the bottom of the container, thereby making it easy

for you to retrieve whichever part you need quickly and easily.

Kenneth Kent, Florence, OR

18 MODEL AIRPLANE NEWS

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