Quick Answers to Your Q-Jet Questions

Quest Q-Jet White Lightning motors are advanced composite propellant motors for model rockets. They use a propellant family similar to NASA's solid boosters, offering consistent thrust and a clean white flame. This FAQ covers the most common questions flyers have about choosing, using, and storing these motors.

What Makes White Lightning Motors Different?

White Lightning is a specific propellant formulation that produces a bright white flame and smooth, consistent thrust. Quest Q-Jet motors use this aerospace-grade composite propellant, which is different from traditional black powder motors. The composite propellant offers better performance in colder weather and more predictable thrust curves, making it a favorite for high-performance and competition flying.

How Do I Choose the Right Delay?

The delay number in a motor name (e.g., -6W in D20-6W) indicates the time in seconds between burnout and ejection charge firing. A shorter delay (4-5 seconds) works for heavier rockets or those with high drag, while longer delays (6-8 seconds) suit lighter, sleeker models. If you are unsure, start with the delay recommended in your rocket kit's instructions. For the Quest Q-Jet D20-6W, the 6-second delay is a versatile choice for many mid-sized rockets.

Can I Use Q-Jet Motors in Any 18mm or 24mm Rocket?

Yes, Quest Q-Jet motors are designed to fit standard 18mm (D20-6W, C18-6W) and 24mm (F41-5W) motor mounts. However, always check your rocket's maximum recommended motor impulse. A high-impulse motor like the F41-5W may exceed the structural limits of some lightweight kits. Also, ensure your rocket has a proper motor retention system, as composite motors can produce more thrust than black powder equivalents.

How Should I Store Q-Jet Motors?

Store Quest Q-Jet motors in a cool, dry place away from direct sunlight and extreme temperatures. The ideal storage temperature is between 40°F and 80°F (4°C to 27°C). Avoid storing them in a hot car or damp basement. Composite propellant motors have a long shelf life when stored properly, but always inspect the motor casing and nozzle for cracks or damage before use.

Q-Jet Motor FAQ Summary

What is White Lightning propellant?

A composite propellant that burns with a bright white flame and provides consistent thrust. It is the same family of propellant used in NASA's solid rocket boosters. Expect clean burns and reliable performance, especially in cooler weather.

How do I pick a delay?

Match the delay to your rocket's weight and drag. A 4-5 second delay for heavy or draggy rockets, 6-8 seconds for lighter models. When in doubt, follow the kit instructions. Start with the delay recommended by your rocket kit.

Are Q-Jet motors compatible with all rockets?

They fit standard 18mm and 24mm mounts, but always check your rocket's maximum recommended motor impulse and use proper motor retention. Verify your rocket can handle the motor's thrust before flying.

How should I store these motors?

Keep them in a cool, dry place between 40°F and 80°F. Avoid extreme heat or moisture. Inspect for damage before each use. Proper storage ensures long shelf life and safe operation.

  • Quest Q-Jet™ D20-6W White Lightning Rocket Motors Value 25-Pack - Q6476: Quest Q-Jet D20-6W White Lightning Rocket Motors Value 25-Pack - Q6476. Clearance item, perfect for classroom programs, large groups, and camp activities. If you fly with a club or teach rocketry, this value pack saves money and ensures you have enough motors for multiple launches. The 6-second delay works well for many mid-power rockets.
  • Quest Q-Jet™ C18-6W White Lightning Complete 2-Motor Launch Pack - Q6126: Quest Q-Jet C18-6W White Lightning Complete 2-Motor Launch Pack - Q6126. Uses composite propellant and a patent-pending high-strength polymer case and ceramic nozzle. A great starter pack for flyers wanting to try White Lightning performance without buying a bulk pack. The C18-6W offers a solid boost for 18mm rockets with a standard 6-second delay.
  • Quest Q-Jet™ F41-5W White Lightning Complete 2-Motor Launch Pack - Q6160: Quest Q-Jet F41-5W White Lightning Complete 2-Motor Launch Pack - Q6160. 24mm motor with 14.8% more total impulse than D12 black powder motors, yet only 85.4% of the weight. For flyers stepping up to 24mm high-performance rockets, this motor delivers a powerful, lightweight boost. The 5-second delay suits heavier or faster models.