My rocketry career started with the Alpha 3. This was way back in the mid 70s. I remember having to cut each fin out of the die cast balsa sheets and having to cut the shroud lines from a single length of string. On the balsa fins I remember using sanding sealer and trying to shape each fin to a perfect airfoil shape.
Dr Dave... what was the shock cord ratio if you replace elastic with kevlar again as i dont remember which video it was but scarcely thought it was that the kevlar needed to be 4x the elastic length. Ty
