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

The SEC-5B Ejection Canisters feature a snap-top ejection charge container that holds 1.5 grams of black powder or smokeless powder. The single-use Ejection Canisters are convenient and reliable methods of deploying your recovery system.

XLEjection Canisters are for rockets with more volume to pressurize than can be done by our smaller canisters. Each Ejection Canister is tested for continuity before being packaged. Variable capacity allows you to determine how much propellant you wish to use for your particular recovery system.

SL1 Kevlar Thread is suitable for parachute shroud lines or shock cords on lightweight contest models. Pre-cut 20 foot package.

SL1 Kevlar Thread is suitable for parachute shroud lines or shock cords on lightweight contest models. We will cut any length you need at the same price as the pre-cut package. Simply order the number of feet you need.

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. 20 foot length.

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.

Tubular Kevlar MicroBraid is a very fine, supple triaxial Kevlar braided cord. It is rated to 100 pounds strength and is flameproof. Excellent for shock cords in small models. 20 foot length.

The Dual Egg Capsule is a molded plastic payload capsule designed for NAR Dual Eggloft competition. The capsule is divided into two compartments by a removable double bulkhead. Requires a shoulder tube that will fit your rocket.

The Egg Capsule is a molded plastic payload capsule designed for NAR Eggloft competition. You must supply a shoulder tube that will fit into the body tube of your rocket.

Plastic molded nose cones to fit Estes BT-20 or other 18mm i.d. body tubes. Select Short Parabola (A), Long Parabola (B) or Ogive (C) shape. Includes Kevlar cord for attachment.

Ultra-light competition nose cone for Estes BT-5 (mini-engine) size tubing.

Rocket Glue is the very best glue we've ever found for building model rockets in classrooms. Non-toxic and harmless, works on plastic, and fast grab. Available in 1 ounce bottles, three-packs of small bottles, and 4-ounce refills.

3-pack of 1 oz bottles of Rocket Glue, easier to share in a classroom rocket building session.

Rocket Glue is the very best glue we've ever found for building model rockets in classrooms. Non-toxic and harmless, works on plastic, and fast grab. Available in 1 ounce bottles, three-packs of small bottles, and 4-ounce refills.

Ultra-light-weight vacuum molded plastic nose cone for Estes BT-50 size tubing. Includes Kevlar attachment loop and instructions.

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.

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.