H Class Rocket Motor

AeroTech H97J

AeroTech
Blackjack
Ø 29mm
Total Impulse
177.3Ns
Burn Time
2.23s
Avg Thrust
97.0N
Max Thrust
111.5N

Thrust Profile (N)

2.23s Burn Window

Engineered by AeroTech, the H97J is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 177.3 Ns over a 2.23 second burn window.

With an average thrust of 97.0 N and a peak of 111.5 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Blackjack propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 29 mm
Length 238 mm
Hardware RMS-29/240
Delays (s) 4,6,8,10
Specific Impulse 131.8 s
Peak Thrust 103.55 N
Peak Time T+ 0.503s
T/W Ratio 35.6
Propellant Blackjack
Profile regressive
Type reload
Sparky No

Mass Budget

277.76g Total
Casing (Dry)
140.7g
50.7%
Propellant
137.1g
49.3%
Live Sizing
Flight Envelope

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Comparable H-Class Alternatives

H155F

Kosdon

H
dual-peak
Total: 161 Ns
Ø 29mm

H300-HP

Contrail

H
neutral
Total: 161 Ns
Ø 38mm

H222-HP

Contrail

H
regressive
Total: 161 Ns
Ø 38mm

H55W

AeroTech

H
regressive
Total: 162 Ns
Ø 29mm

163H133-14A

Cesaroni

H
dual-peak
Total: 163 Ns
Ø 29mm

164H90-12A

Cesaroni

H
dual-peak
Total: 164 Ns
Ø 29mm
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