I Class Rocket Motor

AeroTech I65W

AeroTech
White Lightning
Ø 54mm
Total Impulse
630.5Ns
Burn Time
8.26s
Avg Thrust
76.3N
Max Thrust
150.1N

Thrust Profile (N)

8.26s Burn Window

Engineered by AeroTech, the I65W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 630.5 Ns over a 8.26 second burn window.

With an average thrust of 76.3 N and a peak of 150.1 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 54 mm
Length 235 mm
Hardware SU 54x235
Delays (s) P
Specific Impulse 173.8 s
Peak Thrust 148.28 N
Peak Time T+ 1.273s
T/W Ratio 10.22
Propellant White Lightning
Profile regressive
Type SU
Sparky No

Mass Budget

761.6g Total
Casing (Dry)
391.9g
51.5%
Propellant
369.7g
48.5%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I117FJ

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dual-peak
Total: 361 Ns
Ø 54mm

396I140-14A

Cesaroni

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Total: 396 Ns
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I215R

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dual-peak
Total: 399 Ns
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I599N

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I
regressive
Total: 405 Ns
Ø 54mm

I229T

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I
dual-peak
Total: 407 Ns
Ø 54mm

I115W

AeroTech

I
dual-peak
Total: 412 Ns
Ø 54mm
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