ESTES 7237 Great Goblin Launch Lab Rocketry Instructions
- June 17, 2024
- ESTES
Table of Contents
ESTES 7237 Great Goblin Launch Lab Rocketry
Specifications:
- Product Name: Great Goblin™ Model Rocket
- Ages: 18+
- Skill Level: Intermediate
- Materials: Laser-Cut Balsa, Cardstock, Nylon Parachute
- Components: Engine Mount Tube, Body Tube, Nose Cone, Shock
Cord, Launch Lug, Engine Retainer, Parachute, etc.
Supplies Needed:
- Scissors
- Pencil
- Ruler
- Yellow Glue
- Epoxy
- Hobby Knife
- Masking Tape
- White Primer
- Yellow & Clear Coat
- Sandpaper Block
- Fine Sanding Paper
Prepare Fins:
- Sand both sides of the balsa sheet.
- Mark a line halfway between fin slots on the body tube.
- Use a hobby knife to remove fins and apply glue.
- Let dry and sand edges evenly.
Assemble Engine Mount:
- Push the green spacer over the nose cone to enlarge diameter.
- Slide centering rings and spacers over the engine mount tube.
- Apply glue and assemble the components as shown in the manual.
Frequently Asked Questions (FAQ):
- Q: How do I attach the recovery system?
A: Thread the parachute strings through the nose cone eyelet, bring the parachute through the loop in the strings, and pull tight.
MODEL ROCKET INSTRUCTIONS
KEEP FOR FUTURE REFERENCE
IMPORTANT: Please record date found on decal and keep for future reference.
READ ALL INSTRUCTIONS. Make sure you have all parts and supplies. Test fit all
parts before applying glue. Refer to your glue manufacturer’s dry times during
build.
PRECAUTIONS
- PRE-LAUNCH CHECK F or safety, never launch a damaged rocket. Check the rocket’s body, nose cone and fins. Also, check the engine mount, recovery system and launch lug(s). Repair any damage before launching the rocket.
- FLYING YOUR ROCKET Choose a large field (1000 ft. [305 m] square) free of dry weeds and brown grass. The larger the launch area, the better your chance of recovering your rocket. Launch only with little or no wind and good visibility. Always follow the National Association of Rocketry (NAR) SAFETY CODE (enclosed).
- MISFIRES TAKE THE KEY OUT OF THE CONTROLLER. WAIT ONE MINUTE BEFORE GOING NEAR THE ROCKET. Disconnect the micro-clips and remove the engine. Take the plug and starter out of the engine. A burned starter means the starter tip was not touching engine propellant. Install a new starter; be sure the tip is touching propellant inside the engine. Push the plug in place. Repeat steps under Countdown and Launch.
© 2022 Estes Industries, LLC • All Rights Reserved
Estes Industries, LLC • 1295 H Street, Penrose, CO 81240-9698 • Made in
Guangdong, China PN 090004-9724 (7-23)
References
Read User Manual Online (PDF format)
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