my first head ache was motor blowout..so i done this job more cautiously.then i added a kort
nozzle, nothing scientific, but a piece of pvc pipe that shrouds the prop, and the angle
of the pipe fixed as a little high at stearn.after this setup, the final result is amazing..
the speed was increased to a higher level, and the draining ampereage is mere 700 Ma.all it
works on a 4.8 volt NiCd 500 Ma battery pack.previously was running on 7.2 volts 2800, and
1800 Ma . So friends, its my kind request that you can also try some thing like this,
and you will amaze while your craft performs.and never forget to fix a kort nozzle on the
prop of your crafts. the result is astonising.for a great reff: i am adding a short video
of my reworked craft here, its all running at 4.8 volts, 500 ma, and its reduction was
1:5, along with 3 cm propeller.total time was 40 minutes on a single charge.So NEVER MISS
THIS VIDEO...YOU CAN SIMPLY SEE HOW FAST AND POWERFUL IT IS......
http://www.youtube.com/watch?v=kKh6NGzlXJg