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Article #122: RC Electric Airplanes: Whats All the Excitement About?

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Electric power for RC aircraft: planes, discharging can result in fire or
helicopters, ducted fan jets; is the explosion! (Battery manufacturers are
fastest growing aspect of this hobby now often including protection built into
sport. There are lots of reasons for the battery packs to minimize these
this, but perhaps two major developments dangers, but the rule is to read the
have created this gold-rush atmosphere. directions and be careful).
First, the recent bringing to market of When coupled with the many new
the Lithium Polymer battery - a inexpensive brushless motors and
refinement of the lithium-ion battery. controllers now available, modelers can
Second, the disappearance of many of the have fully aerobatic rc planes that will
traditional local RC flying sites under fly for 15-25 minutes(!) without
the pressure of real-estate development recharging! And, it is possible to buy
and population growth. such a plane and equip it for under $300
The radio control Lithium-Polymer (Li-Po) total! This is an exciting development,
battery is characterized by the use of a and as one hobby-shop owner put it to me,
solid, the polymer, which acts as the "this is putting the fun back into RC!"
electrolyte, like the acid in your car's Because of the inherent advantages to RC
battery. This development has made the electric airplanes; quiet, reliable,
lithium based battery relatively more clean and now long-flying and powerful,
stable, physically stronger and a little it really is possible and fun to fly in
easier to manufacture. the small schoolyard or park. You don't
The advantages to this battery for the have to seek out the RC flying field that
modeler are 50% or greater weight is an hour's drive away from home or work
reduction over nickel cadmium batteries, and you don't have to deal with neighbors
greatly increased power storage and who are incensed over the noise from glow
considerably longer shelf-life without or gas powered models.
auto-discharging. For more information on the developments
The disadvantages are that the LiPo and the basics of electric flight, please
battery must be carefully charged on a visit my site at
dedicated LiPo-capable charger, maximum Reprinting: you are welcome to reprint
discharge must be monitored and that this article, but it must be complete,
careless handling, charging, or unaltered and with original links intact.






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