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Tip ref
: EMHC21 |
Transmitter
Safety |
If you find you are sharing
a Frequency peg with another member at the field, and your
are not the person presently holding the Frequency peg, remove
your RF module or crystal from your TX. Its an added assurance
that you won't inadvertently shoot any one down !! keith
Helimad www.helimad.co.uk |
Tip ref
: EMHC20 |
Tail Drive
belt installation |
If you need to replace the
tail boom on a helicopter with a belt tail drive. Ensure that
you check you have put the twist in the belt the right way.
1) Check you have fitted the tail rotor baldes correctly.
Usually if the tail rotor hub is turned so that both blade
holders and rotorblades are horizontal, the rotorblade facing
the front of the helicopter should have Its leading edge (Widest
part) facing upward, and the rotorblade nearest the rear of
the helicopter should have the leading edge of the blade facing
downwards.
2) On a right hand rotation helicopter turning the rotor head
in a anti-clockwise direction will cause the tail rotor to
rotate clockwise. You need to turn it in the main rotor in
the opposite direction of rotation otherwise the tail rotor
will not turn due to the one way bearing in the main gear.
2) On a left hand rotation helicopter turning the rotor head
in a clockwise direction will cause the tail rotor to rotate
clockwise. You need to turn the main rotor in the opposite
direction of rotation otherwise the tail rotor will not turn
due to the one way bearing in the main gear. If you are unsure
please check your manual for your helicopter. Kim
Teoh
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Tip ref
: EMHC19 |
Fuel Filters |
Putting a fuel filter on
the fuel line that runs between the fuel tank and the carburetor
will stop your carburettor being contaminated with particles
of dirt, causing your engine to stop unexpectidly. If you
do fit a filter remember to clean it regularly, or the filter
itself will be the cause of the fuel shortage to your engine
with the same result engine stoppage when you don't want it.
Kim Teoh
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Tip ref
: EMHC18 |
Starting
a flooded engine |
| On the first flight of the day,
the engine may stop soon after the glow plug battery is removed.
This happens due to an excess of fuel in the engine, possibly
due to flooding. If this happens just pinch the fuel line with
your finger untill you hear the engine revs increase before
removing the glow plug battery. This will lean out the engine
and burn off the excess fuel and allow you to throttle up without
quitting. Kim Teoh |
Tip ref
: EMHC17 |
Lubrication
helps to stop wear |
| Add a drop of thin oil to the
following moving parts before the first flight. Swashplate ball,
Sliding washout unit, Tail shaft slider. This will assist in
keeping all parts moving freely and reduce wear. Kim
Teoh |
Tip ref
: EMHC16 |
How to check
correct tension for Raptor 30/50 drive belt |
| To check proper tail drive belt
tension on your Raptor 30 or 50 squeeze the belt either side
of the mainshaft drive pulley with your fingers. You should
only be able to get 1/8 inch inward deflection on both sides.
Kim Teoh |
Tip ref
: EMHC15 |
Always hold
your Rotor head when starting your helicopter and don't let
go untill you are past the flight line |
| This may sound obvious but if
you start your heli and your idle up switch is in the wrong
position your engine will run up to full speed, causing your
helicopter to take off uncontrolably and result in possible
injury to persons. |
Tip ref
: EMHC14 |
Always check
your helicopter for damage after any hard landing |
| Especially if you strike the
tail rotor on the ground. The helicopter may still fly after
damage caused by a hard landing. For example you might have
cracked a plastic linkage, or damaged a blade which could break
as you input normal rudder control with will result in an unexpected
crash. |
Tip ref
: EMHC13 |
Take care
when re-fueling your helicopter |
1)
Don't re-fuel immediatley after you finish your flight, your
helicopter engine, and exhaust will be very hot, and could possibly
cause ignition while fueling, (Wait untill it cools).
2)
This may sound obvious, but if your a smoker don't
smoke while re-fueling.
3)
Keep your face clear of your fuel pipes and filling points while
fueling. It has been known for pipes to come loose while filling
causing fuel to splash in your face (It is a good idea to keep
a bottle of water in your car handy just in case you need to
wash your eyes out). |
Tip ref
: EMHC12 |
Carrying
of your transmitter when also holding your helicopter |
 When
you have started your helicopter and are walking beyond the
flight line place your thumb on the top side of the collective
lever, this will ensure that the lever cannot inadvertantly
be pushed upward causing the engine to accelerate. As can be
seen in the picture opposite. |
Tip ref
: EMHC11 |
Be S.M.A.R.T
with your Transmitter |
| S........ |
Switch ON |
Radio ON - Reciever ON - Reciever OFF -
Radio OFF |
| M...... |
Meter in Green |
Check Heli and Radio Battery levels |
| A....... |
Aerial Extended |
Extend Aerial and Secure |
| R....... |
Rate Switches |
Check ALL radio switches are in the normal
position |
| T....... |
Trims |
Check ALL trims are in their correct positions |
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Tip ref
: EMHC10 |
Using Masking
Tape |
| If planning multi colour designs
on your model involving masking tape, do not be impatient, let
the basecoat harden off (not just dry) at least 24 hours. Masking
tape will mark paint that has not hardened, and you will not
be happy (Don't ask me how I know). M
Welham |
Tip ref
: EMHC09 |
Liquid Masking
Tape ! |
| Yes Liquid Masking Tape avaliable
from your local Halfords store. Just paint this product onto
the areas you want to mask off. Use it if you are good at painting/drawing
shapes, or you can use masking tape to mask the larger areas
and use the liquid to mask the intricate bits.Then after you
have finished and need to remove it just peel it off MAGIC.
M Welham |
Tip ref
: EMHC08 |
Recycle
your worn out Mousemats |
| Save them or steal
them from your workmates, (they will probably get a new one
as a sad gift this Christmas anyway). They are a good source
of neoprene to wrap around sensitive stuff. The neoprene can
usually be peeled off the plastic surface quite easily, also
if the plastic is left in place, it can be wrapped round battery
packs and with the plastic on the outside will spread the load
(reduce localised compression) when using zip ties to attach
your flight pack to the heli. M
Welham |
Tip
ref : EMHC07 |
Learning
to hover |
| When learning to hover
always point the nose of the helicopter into the wind. This
will help your tail stay in the same position untill you
learn to control the tail properly. |
Tip
ref : EMHC06 |
After
the Hover |
| Once you have mastered
the hover start to move your helicopter sideways in both directions
then progress into lazy eight manouvers. |
Tip ref
: EMHC05 |
Cleaning
Superglue |
| After using a bottle of Cyano
adhesive (Superglue), the tip usually gets cured glue all over
it. Remove the tip from the bottle and soak it in a closed jar
of acetone. Nail polish remover also works, as long as it's
the kind that contains acetone. After about an hour, the cured
Cyano will gel, and is easily peeled off the tip. |
Tip ref
: EMHC04 |
First Build
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| When building a
new helicopter out of the box. First get all the bits and check
that they are there. This will save time when you are looking
for parts which you think have been lost but in reality were
not there in the first place. |
Tip ref
: EMHC03 |
After your
first flight |
| After you have built
your pride and joy, and have given it a test flight, don't be
tempted to carry on flying. Take the time to give it a very
good check over, normally if anything is going to fall off it
will happen about the 2nd or 3rd flight. |
Tip ref
: EMHC02 |
Changing
transmitter settings |
| Before making any changes to
your transmitter settings, make a copy of the model which you
are going to change. Then if you find you have messed it all
up and can't remeber what you have done, you can always revert
back too an origonal good setup. Then try again. |
Tip ref
: EMHC01 |
Clutch
nut Tightning |
| If you remove the rear crankcase
cover from your engine you will expose the Crankshaft and Conrod,
Obtain a plastic toothbrush and place the handle end into the
engine so as to jam the crankshaft. This will allow you to get
more torque on your locking nut. DO NOT jam anything against
your conrod as you might damage it. You can get a tool for this
purpose from your model shop, which would be my personal choice. |
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