K Class Rocket Motor

AMW K500SK

Animal Motor Works
Skidmark
Ø 75mm
Total Impulse
1811.6Ns
Burn Time
3.95s
Avg Thrust
459.1N
Max Thrust
841.3N

Thrust Profile (N)

3.95s Burn Window

Engineered by Animal Motor Works, the K500SK is a 75mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1811.6 Ns over a 3.95 second burn window.

With an average thrust of 459.1 N and a peak of 841.3 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 75 mm
Length 368 mm
Hardware AMW 75-2500
Delays (s) P
Specific Impulse 164.3 s
Peak Thrust 841.43 N
Peak Time T+ 3.339s
T/W Ratio 17.25
Propellant Skidmark
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

2713g Total
Casing (Dry)
1589.0g
58.6%
Propellant
1124.0g
41.4%
Live Sizing
Flight Envelope

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