Protech ZOOM 425 ccpm Specifications Page 65

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Kyosho Blade Balance
7.2.3. Paddle pitch gauge (optional)
This is very handy for ensuring your paddles are completely flat relative to each other. For non-
micro helicopters, the KSJ-624 paddle gauge works well.
KSJ paddle pitch gauge set
7.2.4. Prop balancer (optional)
In order to balance the rotor head, you need a prop balancer. The Du-bro "Tru-spin prop balan-
cer" works well because you can hang the rotor head over the edge of a table when balancing
he rotor head.
7.2.5. Tachometer
There are about three tachometers in wide use for helicopters.
The first is the Anderson Hobby tachometer. This is fairly cheap about $35) and works well on
the ECO/Logo, but it does NOT work on micro helis such as the Piccolo CP! It also drains bat-
teries quickly even when not turned on, so I recommend removing the battery when not in use.
The second is the X-cell optical tachometer. This is expensive(about $150) but works with al-
most any helicopter. It only reads to 1990 rpm, so it may not be suitable for micro helicopters
which typically need 2000+ rpm of headspeed.
The third is the Tera tachometer distributed by Thunder Tiger. This is a very nice digital tacho-
meter specifically for helicopters which will clip onto the tail boom for hands-free measuring of
Support Equipment
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