Pratt Hobbies, Inc.
Rocketry Catalog
 Innovative Launch Systems and Accessories
for Model Hobbyists
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Sky Ripper Reload 3-Pack, polypropylene

Details 

This 3-pack includes all parts needed to fly any of the SkyRipper 38mm motors (H, I or J) three times. Polypropylene grains produce higher thrust than PVC.
Price: $42.00
Out of Stock

B6-4 25-pack Rocket Motors

Details 

Bulk pack of 25 Quest B6-4 rocket motors with igniters. An excellent value for any large group launch.

NOTE: Model rocket motors must be shipped separately. Please either plan for more time for a ground shipment via US Mail, or request faster (more expensive) delivery.

List Price: $75.00
Price: $62.00
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.
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Price: $255.00
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.
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Price: $235.00
Out of Stock

Sky Ripper 29/125 G Motor Casing Set

Details 

The Sky Ripper 29/125 G Motor Casing Set includes casing, nozzle, injector, end closure and hardware.
Price: $65.00
Out of Stock

Sky Ripper 29/75 G Motor Casing Set

Details 

The Sky Ripper 29/75 G is the smallest hybrid motor currently on the market.
Price: $60.50
Out of Stock

Fill Hose Extension

Details 

If you need more fill hose to connect to your hybrid motor, this 5-foot extension kit will do the job. One end connects to the Module 2 Valve Manifold or similar fill system with 1/8 NPT female connector. The other end accepts the different sized push-to-connect connectors supplied with the ULS-M2 to fit different fill hoses.
Price: $28.95

Sky Ripper 38mm J Motor Casing Set

Details 

The 38/580 Motor Casing Set includes one motor tube, nozzle, injector, forward closure, thrust ring and internal snap rings.
Price: $144.00
Out of Stock

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

Sky Ripper 38mm H Motor Casing Set

Details 

The 38/220 Motor Casing Set includes one motor tube, nozzle, injector, forward closure, thrust ring and internal snap rings.
Price: $133.50
Out of Stock

Sky Ripper 29/185 H Motor Casing Set

Details 

The Sky Ripper 29/185 H Motor Casing Set includes casing, nozzle, injector, end closure and hardware.
Price: $70.00
Out of Stock

SkyRipper Reload 3-pack, PVC

Details 

This 3-pack includes all parts needed to fly any of the SkyRipper 38mm motors (H, I or J) three times. PVC grains produce lower thrust but more smoke.
Price: $36.00
Out of Stock

Sky Ripper 38mm H-I-J Motor Casing Set

Details 

This set includes 3 motor casings and all internal hardware for the 38mm diameter SkyRipper H, I and J motors.
Price: $226.50
Out of Stock

Rocket Scientist T-Shirt

Details 

The famous "As a Matter of Fact, I AM A Rocket Scientist" T-shirts! High quality 50/50 cotton/synthetic shirts, screen printed with our tasteful logo.
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List Price: $14.95
Price: $12.00

SL2 Kevlar Yarn, Custom length

Details 

SL2 Kevlar Yarn is suitable for shock cords on lightweight models. This is what we use in our kits. Flameproof Kevlar will not burn through like elastic shock cord. We will cut any length you need at the same price as the pre-cut package. Simply order the number of feet you need.
Price: $0.15

 

Details 

12 volt battery for the MB-12 MicroBeacon.
Price: $1.79

MicroBeacon

Details 

The MicroBeacon helps you find your model in the tall grass! Requires 12v battery, our MBB-12 or Duracell #21/23.

Price: $12.00

 

Details 

Three-pack of Quest motors for our K-100 Booster Stage. Igniters included.

NOTE: Model rocket motors must be shipped separately. Please either plan for more time for a ground shipment via US Mail, or request faster (more expensive) delivery.

Price: $9.99
Out of Stock

C6-5 25-pack rocket motors

Details 

Bulk pack of 25 Quest C6-5 rocket motors with igniters. An excellent value for any large group launch.

NOTE: Model rocket motors must be shipped separately. Please either plan for more time for a ground shipment via US Mail, or request faster (more expensive) delivery.

List Price: $83.00
Price: $70.00
Out of Stock

Sky Ripper 38mm I motor Casing Set

Details 

The 38/400 Motor Casing Set includes one motor tube, nozzle, injector, forward closure, thrust ring and internal snap rings.
Price: $138.50
Out of Stock

Contrail Rockets K456 Reload Kit

Details 

One fuel grain and parts for the CR-75-1400 Contrail motor casing set with Slow nozzle and Mini combustion chamber. Tripoli certified as K456. Sparky fuel composition.
Price: $75.00
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

 

Details 

Contrail 98mm (4 inch) diameter Motor Casing Set, with all required hardware for currently certified M1575 and M2800 loads.
Price: $1,000.00
Out of Stock

Contrail Rockets I400 3-Pack Reload Kit

Details 

Three-pack of I400 reloads for the Contrail Rockets 38mm hybrid motor system. Requires 36 inch casing and Fast nozzle.
Price: $70.00
Out of Stock

Contrail Rockets H211 3-Pack Reload Kit

Details 

Three-pack of H211 reloads for the Contrail Rockets 38mm motor system. Requires 20 inch casing and Medium nozzle.
Price: $45.00
Out of Stock

Contrail Rockets H141 3-Pack Reload Kit

Details 

Three-pack of H141 reloads for the Contrail Rockets 38mm motor system. Requires 20 inch casing and Slow nozzle.
Price: $45.00
Out of Stock

Contrail Rockets G130 3-Pack Reload Kit

Details 

Three-pack of G130 reloads for the Contrail Rockets 38mm motor system. Requires 16 in casing and Medium nozzle.
Price: $45.00
Out of Stock

Contrail Rockets G123 3-Pack Reload Kit

Details 

Three-pack of G123 reloads for the Contrail Rockets 38mm motor system. Requires 16 in casing and Slow nozzle.
Price: $60.00
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 Rockets K777 Reload Kit

Details 

One fuel grain and parts for the CR-75-2050 Contrail motor casing set with Medium nozzle and Short combustion chamber. Tripoli certified as K777. Black fuel composition.
Price: $85.00
Out of Stock

FullBoost Handheld Launch System

Details 

12 volts of ignition power in the palm of your hand! The FullBoost Handheld Launch System comes with 8 AA alkaline batteries already installed, so you're ready to launch immediately. When the batteries run down, snap the sides off the control box to open it and replace the AA cells. A 25 foot cable connects the FB to the launch pad, using common audio connectors so extension cords are easily added. Adding the optional Launch Tripod gives you all you need to launch our kits or similar model rockets with 1/8 inch launch lugs.
Price: $59.95

Contrail Rockets 75mm Mini Combustion Chamber

Details 

Contrail Rockets MINI (7.875 in.) Combustion Chamber. Fits Contrail 75mm hardware.
Price: $100.00
Out of Stock

Contrail Rockets 75mm 1400cc Tank Assembly

Details 

Contrail Rockets 75mm 1400cc Oxidizer Tank Assembly. Includes sealed tank, five-port injector, and flush-mounting bolts.
Price: $285.00
Out of Stock

Contrail Rockets 75mm 2050cc Tank Assembly

Details 

Contrail Rockets 75mm 2050cc Oxidizer Tank Assembly. Includes sealed tank, five-port injector, and flush-mounting bolts.
Price: $300.00
Out of Stock

Contrail 75mm Complete Motor System

Details 

The Contrail Complete Motor System contains all parts necessary to use all Contrail Rockets certified 75mm reload kits.
Price: $1,450.00
Out of Stock

Contrail Rockets M2281 Reload Kit

Details 

One fuel grain and parts for the CR-75-3200 Contrail motor casing set with Fast nozzle and Long combustion chamber. Tripoli certified as M2281. Fast Black Smoke fuel composition.
Price: $130.00
Out of Stock

Contrail Rockets 3200 cc Hardware set

Details 

This Contrail motor hardware set is certified for L369, L800, L1222, L1428, L2525, M711, M1491 and M2281 loads. The 3200cc tank is included: select a nozzle and combustion chamber for the reload kit you want to use. Select the Slow nozzle and Medium combustion chamber for the L369 and M711; the Medium nozzle and Medium combustion chamber for the M800, L1222, and M1491; and the Fast nozzle and Long combustion chamber for the L1428, L2525, and M2281.
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Price: $550.00
Out of Stock

Pocket Igniter Tester

Details 

Test your igniters and ejection charges before launch to make sure they'll work! The Pocket Igniter Tester sounds a tone when it detects a complete circuit. Safe for use with low-current igniters (electric matches). Battery not included.
Price: $9.00

Sky Ripper 29mm G-H Reload 3-pack

Details 

Reload kit contains three fuel grains and all necessary hardware and igniters for three flights.
Price: $30.00
Out of Stock

Contrail Rockets G100 3-Pack Reload Kit

Details 

Three-pack of G100 reloads for the Contrail Rockets 38mm motor system. Requires 16 in casing and Slow nozzle.
Price: $45.00
Out of Stock

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

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