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RAVIN Aircraft Manufacturers. Undercarriage Specifications

 Under Carriage Specifications

The old Comanche was known for undercarriage problems due to bad or poor maintenance and also a very intricate system, especially the gear emergency extension.  What I have come up with is the following.  The pushpull cables were removed and the typical Beachcraft Pushrod Bellcrank system was implemented.  The electrical motor actuator has been replaced with a linear hydraulic actuator system.  This reduces the intricacy of the emergency gear extension.  3x Gastruts of approximately 40 psi were also used to increase independent overcentre pressures, whereas old Comanches had two tiny springs on the two main gears.  The trunion system is very much a standard Piper system, except for upper trunions which are completely made of hydraulic tubing and welding.  This is all done in-house.

 

   

 

 

 

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