I know these are missing something I think I have just been lookng at them too long. Any input please. Thanks.

"But I being poor, have only my dreams. I place my dreams at your feet. Tread softly, because you tread on my dreams." --William Yeats

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"But I being poor, have only my dreams. I place my dreams at your feet. Tread softly, because you tread on my dreams." --William Yeats

is'nt there supposed to be a small propellor in the tail section some where??

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right side vertical stabilizer - rotor ?????????

yup, tail rotor is needed or, you can use a coanda boom like the new Boeing MD 520's and 600's. They're fun to fly and work relatively well for what they are. If you want a comment on realism, ditch the split blades and stay with a solid blade. You may want to make the blades about 20% longer and move the rotor head just a bit more foreward. Also, a rod at the bottom rear of the tail cone (stinger) to absorbe the impact of a hotshot who flares too hard on landing as well as protecting the tail rotor (not to mention a good hand hold for ground handling of the machine). If you insist on split blades, then make them contra rotating which means one set higher than the other set. Not a good idea, but one that has been put into service before. hope this helps.

the problem that they hav is that thre is nothing to counter the torque of th main rotor. There are three ways this is done. 1. Have a tail rotor at a perpendiculr angle to the main rotor. Most helicopters use this method2. Have two main rotors the Marine Chinook helicopter is a main exampl of this. 3.Have counter rotating rotors. This is two rotors one above the other spinning in opposite directions. this method is used by a Russian Navy helicopter the helix. Without a counterto the torque the helicopter goes into autorotation and and a crash. If the rotor is unpowered it will not require the counter to the torque. This is in the Autogiros of the 1930's and Gyrocopters. You will then need a different form of propulsion. A strong force pulling forward and the rotors go on their own. These kind need a runway to take off and land. I am showing an exampl of a autogiro.

The wit of a misplaced ex-patriot.
I cheated on my metaphysics exam by looking into the soul of the person next to me.

Actually the rear of each copter has a jet vent I modelled after the notor system. I'l render a close up. Thanks.

"But I being poor, have only my dreams. I place my dreams at your feet. Tread softly, because you tread on my dreams." --William Yeats

WEll the thing you will need is somthing to counter the torque. Having a vent on the ends of th rotors won't do i Autogyro does nto need it because i has no power to it. The problem with an Autogyro is it neds forward momentum thus is no beter than a normal airplane but slower thus the have not been made since the 1930's. Put the rotors on over the other is a simpke soulution. I saw a demo of the Helix in Oklahoma it is an awsome machine. It can fly sidways backwards because of the way the torque is neutral. Cool looking models with a hard edge. Put them in a scene to show them off. Flying at treetop level or something. the Easy waywoudl be just to duplicate the rotor and place it just above the other for a working model. For just looks they are cool keep up the modeling. Working in aviation related buisness for 12 years takes its toll. sorry for all the data. I like building aircraft in Modeling programs also.

The wit of a misplaced ex-patriot.
I cheated on my metaphysics exam by looking into the soul of the person next to me.