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TIP OF THE WEEK
written and animated by Hoel Ibardolaza & their respective contributors

"TIP OF THE WEEK"
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1st week / Sept 2005

You may sometimes find that a small landing wheel can make your plane tip over during landing or is not be capable of ROG takeoffs on rough terrain.

A simple way to create a larger wheel is as follows:
1. find a plastic bottle cap with larger diameter
2. slice to your desired thickness (make four of these)
3. glue the pairs together with CA glue (notice the inside should be hollow)
4. mark the center of the circle and find a durable tube for landing rod to fit, bore a hole and insert the tube -make sure this is done center and perfectly in both sides of the disc, or else your wheel will waggle during ROG)
5. you may glue the sides of the tube in contact with disc and insert landing rod. secure wheel by putting a stopper or wound a galvanized iron wire at the tip to prevent wheel from sliding off during take off or landing.

2nd week / August 2005

Always avoid any obstruction during takeoff but give enough space for turning the plane. It is better to plan a flight route before every flight and always give margin of error incase your plane misbehaves in the air.

1st week / August 2005



Choosing a flying spot is important. if posible choose a wide headwind space for launching your airplane. once plane has already picked up height, make it fly in spiral direction until you achieve a good altitude then attempt landing it infront of you and not from the back or from an area with high obstruction. fly plane always infront against the direction of the wind and dont let it go away from you - an rc plane is not a kite - it is supposed to go straight against the wind. it will be very difficult to make airplane go back if it is already drifted by high and strong winds. in this case strength of wind is always a factor.

4th week / July 2005



It is important that your plane is balanced during flight. a tail heavy plane will be difficult to control and may cause sudden dives. it is therefore advisable to adjust the positioning of the internal parts inorder to achieve perfect plane balance. first find the center of gravity by suspending airplane by its wing -3/4 from the leading edge.

3rd week / July 2005



Identifying the internal components of an rc electric plane will help the hobbyist to easily troubleshoot hardware and electronic problems that may occur in later period of the hobby. It will also help in familiarizing parts when assemblying your own rc plane from an ARF (almost ready to fly) kit.

note: when selecting a receiver and transmitter, make sure you have compatible TX/RX crystals that will function on receiver and transmitter brand of your choice or else your plane wont function even if you have same operating frequency. also propeller dimension should match motor speed to avoid burning your motor magnet wire or worst the ESC (electronic speed controller).

2nd week / June 2005



Notice that positioning of the hooks on control horn holes have different response rate on plane.
placing the hook nearer the control surface gives a faster and higher angle movement and vice versa. for beginners, it is advise that you position the hooks away from the control surface, this gives you slower response, wider turns and a not so tighter steer or abrupt rise and fall which could sometimes result to sways and spiraling and crashing. however during ground training, it is advisable for a beginner to position hook of rudder near the surface for plane to steer quickly. beginner can later reposition hook of rudder farther away from surface when already atempting to fly plane.

3rd week / May 2005



For most slow flier planes gaining altitude during take offs is a critical part. Never pull elevator up or add too much power or else plane will come to a stall and nose dive. Do a "going up the stairs" climb rather than a steep full throttle.
plane can also gain altitude by flying it in a spiral direction - going against and floating with the wind, at no time your plane can reach greater heights.

1st week / May 2005



A brushed motor employs a carbon brush for electricity to flow through the motor for an electromagnetic reaction. the carbon brush is the most susceptible part of the brushed motor to wear and tear as friction occurs during spinning of the commutator. often when the motor already exhibits degradation of RPM (for double prop planes you will notice the airplane turning to one direction where the RPM of the two motors is no longer synchronized - for single prop plane, it can no longer take off from the ground - this is the case when you know that the batteries are in top condition and through time, the carbon brush will surely wear off).

Opening the motor casing, you will notice that grindings and pulvurized carbon is all over. the degraded carbon brush can be replaced with equal size from an old motor with still in top shape carbon brush, after the replacement, motor gets back to its original performance.

1st week / April 2005

contributor: Jim McVey, U.S.A


Loosing an airplane due to strong winds, servo malfunction etc... is not uncommon to this hobby.
Placing an owner's label on your airplane may sound funny but it can better help bring back a lost plane than being sorry for ignoring this little tip.

4th week / March 2005

NOTE: This is a very quick charger. it can fully charge most batteries within 4 mins. never leave the battery that is being charged unattended. when the battery that is being charged gets warm, this is an indication that it is already fully charged, therefore you must remove it immediately from the charger to avoid overcharging and before it cause any damage.

CIRCUIT Description:

The Lead Battery is the main source of power for charging any rc battery. the resistor act as current limiter and to produce a constant current source that is needed by the battery in order for them to charge. You can use motorcycle battery but make sure it is spillproof or simply low maintenance type... Charge the Lead battery a day before flight schedule. if the Lead battery is fully charged, it can give you more than 50 charging times before it drains off.

Charging the Lead battery:

What you need is a simple ac/dc adaptor that has an operating voltage of 12 volts or 13 volts at 500mA. Connect the positive lead of the adaptor to the positive terminal of the battery and negative of the adpator to the negative battery terminal... charging time at 500 ma is about 4Hours, please be reminded that when charging main battery, please charge outdoor only or with proper ventillation. This type of battery specially the lead acid type produce a hydrogen gases when charging and please stay away from open flames

Always observe manufacturers battery charging enviroments and warnings including safety hazards.

Tip of the week contributor/writer: jay@callworx.com

1st week / March 2005


LATEST TENSIL STRENGTH PROP REPAIRING MATERIAL
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PROP MOUNT FLEXIBILITY GUARDS PROP AND MOTORS
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