Pratt Hobbies, Inc.
Rocketry Catalog
Model Rocket Kits for Classes and Groups
Launch Systems and Accessories


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Contrail 54mm 28 inch Motor Casing Only

Details

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

Contrail 54mm 36 inch Motor Casing Only

Details

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

Contrail 54mm 48 inch Motor Casing Only

Details

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

Contrail 54mm Nozzle

Details

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

GO Box 25 Foot Extension Cable
GO Box 25 Foot Extension Cable

Details

The GO Box Extension Cable adds 25 feet to the distance between you GO Box controller and the launch pad. Extension Cables can be connected together for any length you want. Also works for the Launch Box.
Price: $11.00

Pad Relay Module
Pad Relay Module

Details

The Pad Relay Module converts your conventional 12 volt launcher into a high power relay ignition system. The PRM connects a 12 volt battery at the pad directly to your igniters through a 40-amp relay. Any launch system capable of supplying 12 volts can be used to activate the PRM. Perfect for clusters and high-current igniters!
Price: $24.00

Gunzilla Cleaner/Lubricant, 5 0z Bottle

Details

Gunzilla is a one-step cleaner that is perfect for reloadable rocket motor casings. It cleans, lubricates and protects metal parts, and dissolves residues from rocket propellant and ejection charges. 5 ounce wide mouth bottle.
Price: $9.95

Contrail 38mm Retention Bulkhead

Details

The 38mm Retention Bulkhead is substituted for the standard forward closure that comes with Contrail 38mm 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: $40.00

Details

Compact Ejection Canisters are designed for smaller models that use electronic ejection, but have a diameter that is too small for our SEC-5 Standard canisters. They are slim enough to fit into 13mm body tubes. CEC-5 canisters come packaged in tamper-proof ziplock bags of 5.

Price: $9.00

Gunzilla Cleaner/Lubricant, 2 oz bottle

Details

Gunzilla is a one-step cleaner that is perfect for reloadable rocket motor casings. It cleans, lubricates and protects metal parts, and dissolves residues from rocket propellant and ejection charges. 2 ounce bottle with spout.
Price: $6.50

CANSAT Transmitter

Details

The CANSAT Transmitter board is now available separately. Two frequencies are available. The board is also available with an antenna connector for $10 extra.

The CANSAT Transmitter can only be sold to HAM Licensees. You must include your call sign in the Comments block in the shopping cart.

Full details and diagrams

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Price: $89.95

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

Quest Model Rocket Launch Pad

Details

This simple, sturdy tripod launch pad from Quest Aerospace is excellent for our most popular kits, including the Super Six, Polaris, Tomahawk, Quark Star and Pioneer. The launch pad supports the rocket for the first few feet of flight, until it builds up enough speed to be stabilized by its fins.
Price: $12.99

Details

Large Ejection Canisters are about half again as big as the standard SEC-5a Ejection Canisters. They hold about 2.5 grams of black powder (not included). They are suitable for rockets of 4 to 5.5 inches in diameter. Each Canister has the resistance written on the side, so you can test it before use.
Price: $12.50

Stensat Radio Beacon

Details

The radio beacon is an FM transmitter that converts an ASCII data stream into an AX.25 packet. The transmitter can operate at 1200 baud AFSK and 9600 FSK. Power output level can be controlled from 0 watts to 1 watt. The beacon operates in the UHF band from a single 5 volt
supply. A version operating in the VHF band is also available.

Price: $750.00

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. A safety key on a retractable lanyard is included.
Price: $54.95

The Basics
The Basics

Details

  • FullBoost ignition system, with batteries installed
  • Quest Liftoff Launch Pad
  • Field Box
List Price: $67.94
Price: $54.95

Triple Treat
Triple Treat

Details

  • FullBoost ignition system, with batteries included
  • Quest Liftoff Launch Pad
  • Pratt Hobbies Super Six model rocket kit
  • Booster Stage kit for Super Six
  • Pratt Hobbies D-Region Tomahawk model rocket kit
  • A6-4 motor for the Tomahawk
  • B6-4 motor for the Super Six
  • C6-0 and B6-4 motors for two-stage Super Six flight
  • A bottle ofWeldbond glue to build the kits
List Price: $99.50
Price: $89.95

Rocket Party!
Rocket Party!

Details

  • FullBoost ignition system with batteries included
  • Quest Liftoff Launch Pad
  • Baker's Dozen pack of Super Six kits: 13 complete kits
  • 25-pack of Quest motors, to fly each model twice!
  • A bottle ofWeldbond glue to build the kits
List Price: $205.25
Price: $169.95

Contrail 38mm XXF Upgrade

Details

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

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

Contrail 38mm Top Hat fitting

Details

The 38mm "Top Hat" Retention Fitting fits between the standard forward closure that comes with Contrail 38mm 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: $20.00

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

Contrail Rockets I155 3-pack Reload Kit

Details

Three-pack of I155 reloads for the Contrail 38mm motor system. Requires 28 inch casing and Slow nozzle.
Price: $60.00

Contrail Rockets H246 3-pack Reload Kit

Details

Three-pack of H246 reloads for the Contrail 38mm motor system. Requires 20 inch casing and Medium nozzle.
Price: $60.00

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

Contrail Rockets H377 3-pack Reload Kit

Details

Three-pack of H377 reloads for the Contrail 38mm motor system. Requires 28 inch casing and Fast nozzle.
Price: $60.00

Contrail Rockets I747 3-pack Reload Kit

Details

Three-pack of I747 reloads for the Contrail 38mm motor system. Requires 28 inch casing and XXF Upgrade Kit.
Price: $80.00

Contrail Rockets I727 3-pack Reload Kit

Details

Three-pack of I247 reloads for the Contrail 38mm motor system. Requires 36 inch casing and XXF Upgrade Kit.
Price: $80.00

Contrail Rockets H340 3-pack Reload Kit

Details

Three-pack of H340 Sparky reloads for the Contrail Rockets 38mm motor system. Requires 28 in casing and Fast nozzle.
Price: $70.00

Contrail Rockets I290 3-pack Reload Kit

Details

Three-pack of I290 Sparky reloads for the Contrail Rockets 38mm motor system. Requires 36 in casing and Fast nozzle.
Price: $70.00

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

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

Contrail 54mm Set of 4 Nozzles

Details

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

Contrail 54mm Single Port Injector Assembly

Details

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

Contrail 54mm XXFast Injector

Details

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

Contrail 54mm Forward Bulkhead

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

Ultimate Field Box
Ultimate Field Box

Details

The Ultimate Field Box is perfectly sized for a day at the rocket range. The deep top compartment can handle tools and supplies. Two removable drawers with clamp-on lids and dividers can travel to the launch pad with you. Heavy duty molded plastic and metal hinges.
Price: $49.00

Arduino Experimenter's Kit

Details

Arduino Experimenters Kit

Includes custom Arduino processor board with interfaces organized for easy use.

Price: $80.00

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