RH1100
For starting American desiner he throw away middle gearbox for FH1100 tail rotor because this cost money. Then you must push tail boom up or keep it low and sell helicopter for also cutting grass - in Russia R22 is cosidered for this purpose hey hey ...
The langing system is also heavy for Robinson must make from tube aluminum and everything must not be heavy and all inside fittings become very cheap - then it can become Robinson 1100.