LR-32 Miniature
Regen Biprop Motor

32 lb thrust Liquid Bi-Propellant Miniature Motor

Call for pricing - Available Spring 2003
 

Above you can see the prototype LR-32 nitrous oxide/alcohol regeneratively cooled motor.  The silver assembly at top is the combustion chamber and nozzle.  This is welded into the red unit you see with 1/4 NPT fittings attached.  Leftmost fitting is alcohol injection, rightmost fitting at 90 deg to motor is nitrous oxide injector.

Pen gives you scale of motor.
 

Here motor is shown with solenoid valve attached. 
Computer keyboard gives scale.