Scratch - The Lord of the Rings Scratch

Manufacturer: Scratch
Product Type: Scratch
Related Products: Estes Sprite
Style: Ring/Tube/Cone Fin, Upscale
Reviews
  • Scratch The Lord of the Rings By Dave Rose

    Long before I was building rockets, a very small, tumble recovery rocket was introduced by Estes. It was the 1/2A powered Astron Sprite. To those not familiar with this rocket, I would like to explain a very unique characteristic of this design. When scaled up enough to be powered by a high impulse motor, the air flowing past the fin ring creates a high-pitched whistle when launched. This is ...

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