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Affordable Model Rocket Motor ComponentsAffordable Experimental Motor Kits (EMKs), thermoplastic cases and bulkheads, phenolic nozzle inserts, O-rings and other components for constructing your own custom-designed model rocket-size motors.

19 product(s) found for "Affordable Model Rocket Motor Components"

Buna-N O-ring, 9/16

Buna-N O-ring, 9/16" O.D. X 1/16"

Dimensions: 9/16" O.D. 0.422" I.D. 0.070" thick
$0.20
Buna-N O-ring, 9/16

Buna-N O-ring, 9/16" O.D. X 3/32"

Dimensions: 9/16" O.D. 0.356" I.D. 0.103" thick
$0.30
18 X 70mm Molded Thermoplastic Casing

18 X 70mm Molded Thermoplastic Casing

Molded thermoplastic rocket motor casing that can be used with 0.562" O.D. propellant casting tube P/N 03154L. Also works with P/N Q-18PNI090, Q-18PNI100 and Q-18PNI110 phenolic nozzle inserts and P/N Q01915 threaded forward bulkhead. Casing outer diameter: 0.698" Casing length: 2.75" Casing inner diameter: 0.563" - 0.573" Thrust ring: No Weight = 6.4...
$1.49
24 X 95mm Molded Thermoplastic Casing

24 X 95mm Molded Thermoplastic Casing

Molded thermoplastic rocket motor casing that can be used with 03159-1 casting tube or P/N 02017 liner and 03159L casting tube. Also works with P/N Q-24PNI125 and Q-24PNI147 phenolic nozzle inserts and P/N 01905 threaded forward bulkhead. Casing outer diameter: 0.933" Casing length: 3.75" Casing inner diameter: 0.798" - 0.803" Thrust ring: Yes Weight...
$2.49
24 X 70mm Molded Thermoplastic Casing

24 X 70mm Molded Thermoplastic Casing

Molded thermoplastic rocket motor casing that can be used with 03159-1 casting tube or P/N 02016 liner and 03159 casting tube. Also works with P/N Q-24PNI125 and Q-24PNI147 phenolic nozzle inserts and P/N 01905 threaded forward bulkhead. Casing outer diameter: 0.933" Casing length: 2.75" Casing inner diameter: 0.798" - 0.803" Thrust ring: Yes Weight...
$1.99
18mm Q-Jet Threaded Forward Bulkhead

18mm Q-Jet Threaded Forward Bulkhead

Molded threaded delay bulkhead that can be used with a P/N Q01901 18mm molded thermoplastic casing. Use with 00110 delay O-ring, and RCS-03154L casting tube. Color may be black or orange. Overall length: 0.940" Outer diameter: 0.563" (unthreaded portion) Ejection charge well diameter: 0.25" Delay charge well diameter: N/A Delay charge well length: N/A...
$1.25
24mm Q-Jet Threaded Forward Bulkhead

24mm Q-Jet Threaded Forward Bulkhead

Molded threaded delay bulkhead that can be used with a P/N 01903-Q or 01904-Q 24mm molded thermoplastic casing. Use with P/N 03303 or 03304S delay insulator, 00114 delay O-ring, and 03155L plastic delay casting tube. Color may be black or orange. Overall length: 1.095" Outer diameter: 0.793" (unthreaded portion) Ejection charge well diameter: 0.375"...
$1.50
24mm Nozzle Insert, 0.147

24mm Nozzle Insert, 0.147" Throat

Molded glass/phenolic nozzle for 24mm diameter thermoplastic casings. Dimensions: 0.794" O.D. 0.147" diameter throat 0.253" diameter exit Weight = 3.6 grams Click here for drawing
$2.49
24mm Nozzle Insert, 0.125

24mm Nozzle Insert, 0.125" Throat

Molded glass/phenolic nozzle for 24mm diameter thermoplastic casings. Dimensions: 0.789" O.D. 0.125" diameter throat 0.237" diameter exit Weight = 3.6 grams Click here for drawing
$2.49
18mm Nozzle Insert, 0.110

18mm Nozzle Insert, 0.110" Throat

Molded glass/phenolic nozzle for 18mm diameter thermoplastic casings. Dimensions: 0.557" O.D. 0.110" diameter throat 0.191" diameter exit Weight = 1.1 grams Click here for drawing
$1.99
18mm Nozzle Insert, 0.100

18mm Nozzle Insert, 0.100" Throat

Molded glass/phenolic nozzle for 18mm diameter thermoplastic casings. Dimensions: 0.557" O.D. 0.100" diameter throat 0.173" diameter exit Weight = 1.1 grams Click here for drawing
$1.99
18mm Nozzle Insert, 0.090

18mm Nozzle Insert, 0.090" Throat

Molded glass/phenolic nozzle for 18mm diameter thermoplastic casings. Dimensions: 0.557" O.D. 0.090" diameter throat 0.156" diameter exit Weight = 1.1 grams Click here for drawing
$1.99
18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Large Nozzle

18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Large Nozzle

This kit includes all parts needed to complete an 18mm x 70mm experimental model rocket motor using your own propellant and delay grains (propellant and delay grains NOT included): Thermoplastic 18mm x 70mm motor case P/N Q01901 Molded phenolic nozzle w/0.110" throat P/N Q18PNI110 Nozzle o-ring P/N 00013 Forward o-ring P/N 00110 Forward bulkhead P/N...
$3.99
18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Medium Nozzle

18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Medium Nozzle

This kit includes all parts needed to complete an 18mm x 70mm experimental model rocket motor using your own propellant and delay grains (propellant and delay grains NOT included): Thermoplastic 18mm x 70mm motor case P/N Q01901 Molded phenolic nozzle w/0.100" throat P/N Q18PNI100 Nozzle o-ring P/N 00013 Forward o-ring P/N 00110 Forward bulkhead P/N...
$3.99
18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Small Nozzle

18mm x 70mm EMK™ Single-Use Experimental Motor Kit, Small Nozzle

This kit includes all parts needed to complete an 18mm x 70mm experimental model rocket motor using your own propellant and delay grains (propellant and delay grains NOT included): Thermoplastic 18mm x 70mm motor case P/N Q01901 Molded phenolic nozzle w/0.090" throat P/N Q18PNI090 Nozzle o-ring P/N 00013 Forward o-ring P/N 00110 Forward bulkhead P/N...
$3.99
24mm x 70mm EMK™ Single-Use Experimental Motor Kit

24mm x 70mm EMK™ Single-Use Experimental Motor Kit

This kit includes all parts needed to complete a 24mm x 70mm experimental model rocket motor using your own propellant and delay grains (propellant and delay grains NOT included): Thermoplastic 24mm x 70mm motor case P/N 01903-Q Molded phenolic nozzle w/0.125" throat P/N Q-24PNI125 Nozzle o-ring P/N 00017 Delay insulator P/N 03304S Forward o-ring P/N...
$4.99
24mm x 95mm EMK™ Single-Use Experimental Motor Kit

24mm x 95mm EMK™ Single-Use Experimental Motor Kit

This kit includes all parts needed to complete a 24mm x 95mm experimental model rocket motor using your own propellant and delay grains (propellant and delay grains NOT included): Thermoplastic 24mm x 95mm motor case P/N 01904-Q Molded phenolic nozzle w/0.147" throat P/N Q-24PNI147 Nozzle o-ring P/N 00017 Delay insulator P/N 03304S Forward o-ring P/N...
$5.99
Buna-N O-ring, 13/16

Buna-N O-ring, 13/16" O.D. X 3/32"

Dimensions: 13/16" O.D. 0.612" I.D. 0.103" thick
$0.60
Buna-N O-ring, 13/16

Buna-N O-ring, 13/16" O.D. X 1/16"

Dimensions: 13/16" O.D. 11/16" I.D. 0.070" thick
$0.20