K Class Rocket Motor

Loki K527LR

Loki Research
Loki Red
Ø 54mm
Total Impulse
1983.0Ns
Burn Time
3.90s
Avg Thrust
526.0N
Max Thrust
754.0N

Thrust Profile (N)

3.90s Burn Window

Engineered by Loki Research, the K527LR is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1983.0 Ns over a 3.90 second burn window.

With an average thrust of 526.0 N and a peak of 754.0 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Loki Red propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 492 mm
Hardware 54/2000
Delays (s) P
Specific Impulse 199.2 s
Peak Thrust 759.41 N
Peak Time T+ 0.079s
T/W Ratio 27.18
Propellant Loki Red
Profile regressive
Type reload
Sparky No

Mass Budget

1973g Total
Casing (Dry)
958.0g
48.6%
Propellant
1015.0g
51.4%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

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