Pratt Hobbies, Inc.
Rocketry Catalog
 Innovative Launch Systems and Accessories
for Model Hobbyists
www.pratt-hobbies.com


Doug Pratt's other hobby is narrating audiobooks!

 Check out some of his  narrations available on Audible.com!


- All Products
- Browse Categories


Home » Hybrid Rocket Motors » Contrail Hybrid Rocket Motors » Contrail Rockets 54mm Hybrid Rocket Motors

 Checkout

Contrail 54mm 48 inch Motor Hardware System

Details 

Contrail 54mm 48 inch long hybrid motor hardware system. Includes all four nozzles (slow, med/fast, XFast, XXFast), forward bulkhead and two injector assemblies (standard and XXFast).
Price: $380.00
Out of Stock

Contrail Rockets 54mm 48 Inch Motor Hardware Set

Details 

Contrail 54mm Motor Hardware with 48 inch length casing. Select Slow, Medium or X-Fast nozzle, and single port or three-port (X-Fast) injector.
:
:
Price: $255.00
Out of Stock

Contrail Rockets Complete 54mm Motor Hardware Set

Details 

Complete set of all 54mm components. Includes three casings, three nozzles, two injectors, all hardware.
Price: $535.00

Contrail 54mm J245 Reload Kit

Details 

One J245 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 28 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail Rockets 54mm 28 inch Motor Hardware Set

Details 

Contrail 54mm 28 inch long hybrid motor hardware set, with one nozzle speed. Select the nozzle speed required by the load you want to fire when you order the hardware set.
:
Price: $215.00
Out of Stock

Contrail 54mm J234 Reload Kit

Details 

One J234 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 36 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm K234 Reload Kit

Details 

One K234 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 48 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm K321 Reload Kit

Details 

One K321 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 48 in. 54mm casing with Medium nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm K555 Reload Kit

Details 

One K555 reload for Contrail 54mm hybrid motor. Includes injector orifices, fill lines, igniter. Requires 48 in. 54mm casing with X-Fast nozzle and three port injector.
Price: $54.00
Out of Stock

Contrail 54mm J292 Reload Kit

Details 

One J292 Sparky reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 28 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm J272 Reload Kit

Details 

One J272 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 36 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm K265 Reload Kit

Details 

One K265 Sparky reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 48 in. 54mm casing with Slow nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm J416 Sparky reload kit

Details 

One J416 Sparky reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 36 in. 54mm casing with Medium nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail Rockets 54mm 36 inch Motor Hardware Set

Details 

Contrail 54mm 36 inch long hybrid motor hardware set, with one nozzle speed. Select the nozzle speed required by the load you want to fire when you order the hardware set.
:
Price: $235.00
Out of Stock

Contrail 54mm 36 inch Motor System

Details 

Contrail 54mm 36 inch long hybrid motor hardware system. Includes all four nozzles (slow, med/fast, XFast, XXFast), forward bulkhead and two injector assemblies (standard and XXFast).
Price: $360.00
Out of Stock

 

Details 

Forward Bulkhead fits all lengths of Contrail 54mm motor casings. Seals N2O tank section of motor and provides fitting for vent tube.
Price: $50.00
Out of Stock

 

Details 

54mm, 28 inch long motor casing for Contrail hybrid motors. No internal parts or nozzles are included.
Price: $95.00

 

Details 

54mm, 36 inch long motor casing for Contrail hybrid motors. No internal parts or nozzles are included.
Price: $115.00
Out of Stock

 

Details 

54mm, 48 inch long motor casing for Contrail hybrid motors. No internal parts or nozzles are included.
Price: $135.00
Out of Stock

 

Details 

Graphite nozzle to fit Contrail Rockets 54mm motor hardware. Specify Slow, Med/Fast, XFast, or XXFast.
:
Price: $35.00
Out of Stock

Contrail 54mm Retention Bulkhead

Details 

The 54mm Retention Bulkhead is substituted for the standard forward closure that comes with Contrail 54mm hybrid rocket motors, and includes a vent like the standard closure. The Retention Bulkhead provides a strong, positive attachment point for your shock cord or motor retention system.
Price: $50.00
Out of Stock

Contrail 54mm Top Hat fitting

Details 

The 54mm "Top Hat" Retention Fitting fits between the standard forward closure that comes with Contrail 54mm hybrid rocket motors and the forward snap ring. The vent on the forward closure fits through a hole in the Top Hat. Installing the Top Hat gives you a strong, positive attachment point for your shock cord or motor retention system.
Price: $25.00
Out of Stock

Contrail 54mm J355 Reload Kit

Details 

One J355 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 28 in. 54mm casing with Medium nozzle and single port injector.
Price: $44.00

Contrail 54mm J358 Reload Kit

Details 

One J358 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 36 in. 54mm casing with Medium nozzle and single port injector.
Price: $44.00
Out of Stock

Contrail 54mm J642 Reload Kit

Details 

One J642 reload for Contrail 54mm hybrid motor. Includes injector orifice, fill line, igniter. Requires 36 in. 54mm casing with X-Fast nozzle and three- port injector.
Price: $54.00
Out of Stock

 

Details 

Graphite nozzles to fit Contrail Rockets 54mm motor hardware. Set includes Slow, Med/Fast, XFast, or XXFast.
Price: $135.00
Out of Stock

 

Details 

Single port injector for Contrail 54mm hybrid motors. Fits all casing lengths. Used with Slow, Med/Fast, and XFast nozzles.
Price: $45.00
Out of Stock

 

Details 

Three port injector for Contrail 54mm hybrid motors. Fits all casing lengths. Used with XFast nozzle only.
Price: $60.00
Out of Stock

Contrail 54mm 28in Motor System

Details 

Contrail 54mm 28 inch long hybrid motor hardware system. Includes all four nozzles (slow, med/fast, XFast, XXFast), forward bulkhead and two injector assemblies (standard and XXFast).
Price: $340.00
Out of Stock


   

Guy Help!
Are you clueless when it comes to finding gifts for your Significant Other? Welcome to the club. We found professional help, from a rocket wife who offers Avon products!

 

For the best in rocketry simulation software, building supplies, and excellent kits, we recommend
Apogee Components!

 

Pratt Hobbies
11556 Platten Rd
Lyndonville, NY 14098
571-221-5820

E-mail