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"Here you'll find all of the individual CPR and ERM components for scratch building your own system or as replacement parts for your current setup."
Retainer Cap for altimeter bay in CPR-MAX systems. Urethane. Retainer Cap fits the Threaded Sleeve below.
Threaded sleeve for altimeter bay in CPR-MAX systems. Urethane. Retainer cap above screws onto it.
Threaded airframe coupler for fore section, anodized aluminum. Fits PT-1.5
Threaded sleeve for aft section, anodized aluminum. Fits PT-1.5
Fore altimeter mount for PML Co-Pilot and P6 altimeters. Attaches to PC board with screws.
Fore Timer/Altimeter Mount. Used to mount electronics in pre-drilled 38mm payload tube.
Aft altimeter mount for PML Co-Pilot and P6 altimeters. Attaches to PC board with screws.
CPR3000 style ejection system now available as a set for scratch builders. The set includes 2) Charge Cylinders and Holders and 4) vinyl caps.
Charge cylinder holder, attaches to altimeter mount. Same part for either fore or aft altimeter mount.
Charge cylinder, snaps into charge holder. For electric match ejection charge ignition.
Charge cylinder, snaps into charge holder. For flashbulb ejection charge ignition.
Charge cylinder cap, snaps onto charge cylinder to retain ejection charge. Sold in packs of 12.
Single-Pole Double-Throw slide switch, use for altimeter on/off. 5 amps @ 120v rating, 3 eyelet terminals for easy soldering; Fits in 1/4" x 1/2" hole in airframe.
On/Off switch standoff required for CPR3000 usage on 2.1" airframe rockets. This standoff allows clearance of the switch terminals to the interior components of the rocket.
Two-conductor wire . For connection between switch and altimeters, timers, etc. 6" required for CPR connection. This particular wire type is actually hard to find.
Price (per ft.): $0.39
One gram measuring spoon. Used to measure out black powder for ejection charges.
Select CPR/ERM O-Rings
cpr3k Fore O-Ring
cpr3k Aft O-Ring
cpr3k O-Ring 12 pack
cpr3k O-Ring 12 pack
cpr3k Coupler O-Ring,2.1"
cpr3k Coupler O-Ring,2.5"
cpr3k Coupler O-Ring,3.0"
cpr3k Coupler O-Ring,3.9"
VHA Series Kits
CPR Based Kits
Airframes & Couplers
Carbon Fiber Components
Tailcones & Boattails
Rail & Rod Lugs
Couplers & Airframes
Rings & Plates
CPR & ERM
Epoxy and Foam
Many More Items
Students & Teachers
FAQ, Specs, & Data