4" Rocket avbay sled for Quantum & Quasar
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Avbay sled for a 4" rocket with mounting for Eggtimer Quantum and Quasar. Mount holes are sized for 4-40 heat set insert
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Avbay sled for a 4" rocket with mounting for Eggtimer Quantum and Quasar or Quark and Quasar. The altimeter and battery box mount holes are sized for 4-40 heat set inserts. The Quark mount holes are sized for 2-56 heat set inserts. I mount them with the same nylon 4-40 screws used as shear pins. The sled can be used with the pin switch mount if desired. Spacers on the all-thread can position the sled and switch mount in the length of your avbay. Avbay uses 2* 3/16" allthread with 3" spacing. The drill guide can be centered on the bulkhead using a 1/4" bolt/eyebolt to assure the allthreads align with the sled. The pin switch mount is sized for my pin switch cases. They use the same microswitches as the Lab Rat Rocketry ones so the two 2-56 holes will be the same but the spacing for dual/triple/quad gang cases may not match. The pin switch mount uses 2-56 heat set inserts. I also use 2-56 nylon shear pin screws to mount the switches.
Part sources used:
Heat set insert assortment
extra 4-40 heat set inserts
Heat set tips for my Weller WEP70 soldering iron
3/16" or 10-32 threaded rod
Omron SS5GL2 Microswitches
Remove before flight keychain
1/8" SS rod
URGENEX 900mAh 2s lipo batteries
URGENEX 450mAh 2s lipo batteries
VICMILE 450mAh 2s lipo batteries