K Class Rocket Motor

Loki K627LR

Loki Research
Loki Red
Ø 38mm
Total Impulse
1519.0Ns
Burn Time
2.42s
Avg Thrust
627.0N
Max Thrust
987.0N

Thrust Profile (N)

2.42s Burn Window

Engineered by Loki Research, the K627LR is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1519.0 Ns over a 2.42 second burn window.

With an average thrust of 627.0 N and a peak of 987.0 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 38 mm
Length 625.48 mm
Hardware 38/1200
Delays (s) 5,7,11,14
Specific Impulse 225.1 s
Peak Thrust 989.33 N
Peak Time T+ 0.034s
T/W Ratio 51.71
Propellant Loki Red
Profile regressive
Type reload
Sparky No

Mass Budget

1236g Total
Casing (Dry)
548.0g
44.3%
Propellant
688.0g
55.7%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

K1127-LB

Loki

K
dual-peak
Total: 1285 Ns
Ø 38mm
Veenie Kit

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