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 » All Products

 Checkout

« Previous | 1 | 2 | 3 | 4 | »

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

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 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.
:
:
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

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

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 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 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 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

Sky Ripper 29mm 3-Motor Casing Set

Details 

The Sky Ripper 29mm G-H Casing Set includes three casings, nozzle, injector, end closure and hardware.
Price: $115.00
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

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

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
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

Contrail Rockets H303 3-pack Reload Kit

Details 

Three-pack of H303 reloads for the Contrail 38mm motor system. Requires 16 inch casing and Fast nozzle.
Price: $45.00
Out of Stock

 

Details 

Upgrade kit required to fire XXF loads. Includes special injector and nozzle.
Price: $60.00
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

Stensat Radio Beacon

Details 

The Stensat radio beacon is a small FM transmitter capable of generating AX.25 Unnumbered Information (UI) packets at 1200 bps AFSK and 9600 bps FSK. The 9600 bps FSK signal is compatible with G3RUH modulation. Power level is adjustable from 0 to 3 watts operating on a single 5 to 12 volt supply.


Price: $750.00

Sky Ripper 54mm 1120 Motor Hardware Set

Details 

Sky Ripper 54mm 1120cc Motor Set. Includes 36 inch long motor casing and a complete set of internal parts. Use the CR-54-REL reload two-pack to set up this motor as a K257 or a K347.
Price: $200.00
Out of Stock

Sky Ripper 54mm 830 Hardware Set

Details 

Sky Ripper 54mm 830cc Motor Set. Includes 28 inch long motor casing and a complete set of internal parts. Use the CR-54-REL reload two-pack to set up this motor as a J261 or a J337.
Price: $193.00
Out of Stock

Sky Ripper 54mm Reload 2-Pack

Details 

2-pack of reloads for Sky Ripper 54mm motor system. This reload kit fits all sizes of Sky Ripper 54mm motors and includes all the parts you need.
Price: $49.00
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

 

Details 

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

Contrail Rockets I255 3-pack Reload Kit

Details 

Three-pack of I255 reloads for the Contrail 38mm motor system. Requires 28 inch casing and Medium nozzle.
Price: $60.00
Out of Stock

Contrail Rockets J222 3-Pack Reload Kit

Details 

Three-pack of J222 loads for Contrail 38mm hybrid motor. Requires 48 inch casing and Medium nozzle.
Price: $60.00
Out of Stock

Contrail Rockets G300 3-Pack Reload Kit

Details 

Three-pack of G300 reloads for the Contrail 38mm motor system. Requires 16 inch casing and Fast nozzle.
Price: $45.00
Out of Stock

Contrail Rockets J555 3-Pack Reload Kit

Details 

Three-pack of J555 reloads for the Contrail Rockets 38mm motor system. Requires 48 inch casing and Fast nozzle.
Price: $70.00
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 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

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

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 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 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

« Previous | 1 | 2 | 3 | 4 | »

   

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