< style="word-spacing: 1; line-height: 100%; text-indent: 0; margin-top: -7; margin-bottom: -3">RCScrapyard ► Hints and Setup Tips: FREE RC Classifieds: Buy and Sell Radio Control gear◄ Cheap, low priced bargains on new, used, second hand, preowned ► Radio Controlled (RC) model cars ► boats ► ships ► airplanes (planes) ► helicopters ► tanks ► hovercraft ► parts, equipment and spares. ► R/C Model Lights (Landing Lights, Head Lights, Break Lights, Side Lights) For USA, Australia, Canada and Espana Sales click below.

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Established 1999

Lights for RC Model Cars, Boats and Airplanes

For Sale in the UK

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Also For Sale:
RC Buggies
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Also For Sale:
Radio Gear
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El Motors
Comm Lathes
Ball Bearings
AMB Lap Counters
Body Shells
Tyres
Wheels
Shock Absorbers

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Hints and Tips

Battery Charging

Ni-Cad (Nickel Cadmium)

1/  All Ni-Cad Batteries have to be Discharged soon after use. This is to avoid the dreaded "Memory" effect that on subsequent re-charges can cause a momentary drop in performance during a race. A simple discharger can be made from a car 12v bulb.

2/  Try to time your charge to complete just before a race. This will ensure maximum punch and duration. If a Ni-Cad is left to cool after a charge this advantage dissipates.

3/  The higher the charge current the more Punch the Ni-Cad battery will have (up to around 8 amps), however, the downside to this is a reduction in duration and effective battery life.

4/  Ni-Cad Batteries should be left to cool for about an hour after use before recharging. This will increase the effective life of the battery.

Ni-Mh (Nickel Metal Hydride)

1/  Never charge Ni-Mh batteries at a current higher than 4.5 amps. Although these batteries can give a higher voltage than Ni-Cad Batteries, they are much more sensitive and easy to damage if charged too quickly.

2/  Charging methods Ni-Mh batteries can also be detrimental. The best I found was the "Slope" method. Avoid "Pulse" charging as this tends to effect crystal formation detrimentally and (it seems to kill them off) thus reduces duration over time.

3/  If using a temperature cut off charger on Ni-Mh batteries set to no more than 40 Degrees Centigrade. Any higher than this can damage the crystals.

4/  It is not necessary to discharge Ni-Mh Batteries. Unlike Ni-Cad batteries they do not develop a memory. Also, if they are totally discharged they sometimes will not charge straight after and need to be coaxed with a 10 minute trickle charge.

5/  Ni Mh Batteries can be recharged shortly after use without any discernable detrimental effects.

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