29mm Minimum Diameter AV Bay
prusaprinters
<p>This is an AV bay sled I designed for my 29mm “Blackhawk” rocket.</p><p>It uses an Anti Duo altimeter from Bear Altimeters, with a simple home made screw switch to arm.</p><p>It is made to fit precisely in a 5 inch 29mm Fibreglass coupler tube.</p><p>Holes are drilled in the coupler tube for rivets to secure to the upper airframe and a vent hole/switch hole.</p><p>A piece of 1000lb kevlar cord runs along the base, locked in place with two m3 nuts under compression.</p><p>A 200mAh 1s Turnigy battery (from Hobby King) is securely mounted inside the body.</p><p>I printed it in CF Nylon, at 0.2mm layers, upright with no supports, but with a large brim to keep it secure on a garolite bed.</p><p>It has been successfully tested to Mach 1 and over 5000ft on an I motor.</p><p> </p><p> </p>
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