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WAC Corporal Model Rocket Kit (Single Stage 29/38 mm Version)
The WAC Corporal was the United States first sounding rocket. Seventeen WAC and WAC B rockets were flown from 1945 to 1947. The WAC was launched with the aid of the Tiny Tim solid propellant booster. After the booster burned out, it fell away and the liquid fuel propelled sustainer stage continued its' upward flight.
At 2.6" in diameter and over 3 1/2 feet tall, we're sure that this version of the ever-popular WAC Corporal would be a welcome addition to anyones rocket fleet! Custom turned hard balsa nose cone and boattail, with laminated, easily shaped fins makes this a model that looks and flies like a dream! Although designed primarily for 29mm F and G engines, this model has a main 38mm engine mount and is fully capable of flying on higher impulse engines. An adapter is included to fly 29mm engines.
Length: 43"/109.2 cm
Diameter: 2.65"/67.3 mm
Weight: 24 oz/680 gm
Recommended Parachute: 24" or 30" Nylon (Not Included)
Scale: approx. 1/4.53 (0.22)
Skill Level: Intermediate
Center of Pressure: 35" from tip of nose
Requires 1/4" Launch Rod
Recommended Engines: F20-4; F23-4; F27-4; F42-4;F50-6; G40-7; G77-7; G78-7; G79-7; G80-7
Estimated (Calculated) Altitudes:
with F20-4: 775'/236m
with F23-4: 595'/181m
with F27-4: 525'/160m
with F42-4: 680'/207m
with F50-6: 926'/282m
with G40-7: 1515'/462m
with G77-7: 1555'/474m
with G80-7: 2150'/655m
with G78-7: 1700'/518m
with G79-7: 1645'/501m
What you'll need to build this model:
Adhesives (Epoxy is recommended for most construction steps of this kit. Thin Cyanoacrylate [“CA”] is recommended for some specific applications. Unless specifically noted otherwise in the instructions, use epoxy when an adhesive is required); hobby knife with a sharp #11 blade; ruler; aluminum (or other metal) angle - ideally 1" X at least 30" long (available inexpensively at any hardware store); drill with 3/16" or 1/4" bit; pliers; masking tape; wax paper; sanding sealer (or balsa fillercoat); thinner (appropriate type for the sanding sealer); paint brush; paint (Spray paint, such as Krylon or Testors is recommended. Be sure not to mix different types or brands of paint without testing.) - primer (optional), white (optional), yellow, black, silver & clear (optional); sandpaper (coarse - 100 or 120, medium - 220 or 280, fine - 320 or 400, & [optionally] extra fine - 500 or 600); pencil (or ball point pen).
Recommended, but not required: sanding block; tack cloth; filler material such as Elmer’s Fill & Finish, Elmer’s Professional Carpenter’s Wood Filler or interior spackling paste.
What else you'll need to fly this model:
Electronic launch system capable of igniting a composite engine; launch pad with 1/4" launch rod (or 1010 rail if you decide to use rail guides or rail buttons); 24" or 30" nylon parachute; recovery wadding or cloth parachute protector; engines (see list of recommended engines above).