Protech ZOOM 425 ccpm Spécifications télécharger pdf (Page 93)

10.1.13. Canopy painting

Do not paint the canopy a dark color. You will need to focus on the canopy while learning to

hover, so be sure to paint it a bright color or leave it white.

Also, some kind of decals are recommended to make it easier to see the orientation of the can-

opy at long distances.

10.1.14. Tail servo

Do not use rubber servo grommets when mounting the tail servo because this will cause tail

wag when used with a heading hold gyro.

10.1.15. Mounting component

For micro helis: you can mount a gyro or tail servo on the tailboom by using either a cable clip

or cable tie mounting plate. If you use a cable tie mounting plate, you may need to use two

tiewraps to secure the mounting plate to the tail boom and/or use some hot glue to prevent the

mounting plate from sliding on the tail boom.

10.1.16. Ball in swashplate

For FP micro helicopters: many micro helicopters do not include a swiveling ball in the swash-

plate to minimize slop. This makes the helicopter very difficult to hover.

There are upgrade kits which allow you to install a ball-in-swash on most micro helicopters.

These are highly recommended. Like90 sells one, so does Pierre Hollister. See links section

for URLs.

For even better control, you should put a small piece of fuel tubing above and below the

swashplate ball to prevent the swashplate from moving up and down.

10.1.17. Removing CA glued joints

If you need to weaken the CA glue to remove a part, you can use acetone. Most regular finger-

nail polish removers contains acetone but the odorless types do not contain acetone and will

not work. You will need to soak the glue in acetone for a while which will weaken the glue, then

you should be able to remove the part.

10.2. Specific tips for LMH Corona only

• Many Corona kits seem to have missing parts. If you are missing a part and you bought the

kit directly from Lite Machines, call them and explain your situation. If you bought from a re-

tailer and not Lite Machines, then talk to your retailer about the missing parts. You may

want to finish most of the model before reporting missing parts so you don't need to call

multiple times.

• The general consensus on the Ezone regarding the Fusion-7 motor is it's not very good.

People have reported the motor dying after as few as 5-10 flights. The Kyosho Atomic

Force seems to be the best alternative brushed motor. It is available from Tower Hobbies.

• Make sure there is enough room between the two cyclic servos for the servo arms to rotate

freely without hitting the other servo. If the servo arm rubs against the other servo, your

front/back cyclic control will be sluggish and hovering will be very difficult.

• The manual recommends using one 4 dot blade grip and one 6 dot blade grip, but the heli

is more stable and easier to hover if you use two 4 dot blade grips because the headspeed

Helicopter Construction

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Protech ZOOM 425 ccpm Spécifications Page 93