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Old 06-07-2009 | 07:42 AM
  #18  
psuguru
 
Joined: Aug 2007
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From: ChelmsfordEssex, UNITED KINGDOM
Default RE: Done with Nexstar Trainer - What Next?


ORIGINAL: amorak

Hey guys and gal,

stupid question - how do you steer these sport planes on the ground? My Nexstar has the tail servo conected to the 3rd front wheel, so it turns it when it turns the tail - But I dont see how you'd turn on the ground with these planes?
Ooh,
Why don't they put decent size wheels in these kits?

Anyway, most tail draggers use a tailwheel that is free to rotate and has a link tied to the rudder via elastic bands or springs. As the rudder moves over, it biases the tailwheel to come round with it. Once the model is turning, the wheel tends to come into line with the rudder, so the extra servo force is momentary, unless you are on rough ground, the wheels are small or the grass is long.