I Class Rocket Motor

AeroTech I161W

AeroTech
White Lightning
Ø 38mm
Total Impulse
328.7Ns
Burn Time
1.82s
Avg Thrust
161.0N
Max Thrust
266.6N

Thrust Profile (N)

1.82s Burn Window

Engineered by AeroTech, the I161W is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 328.7 Ns over a 1.82 second burn window.

With an average thrust of 161.0 N and a peak of 266.6 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 191 mm
Hardware RMS-38/360
Delays (s) 6,8,10,12,14
Specific Impulse 173.4 s
Peak Thrust 212.38 N
Peak Time T+ 0.758s
T/W Ratio 44.84
Propellant White Lightning
Profile dual-peak
Type reload
Sparky No

Mass Budget

366g Total
Casing (Dry)
172.8g
47.2%
Propellant
193.2g
52.8%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

Gorilla

I
No Curve Data
Total: 324 Ns
Ø 38mm

I200W

AeroTech

I
regressive
Total: 325 Ns
Ø 29mm

I180W

AeroTech

I
dual-peak
Total: 326 Ns
Ø 38mm

I385F

Kosdon

I
No Curve Data
Total: 326 Ns
Ø 29mm

I223GT

Gorilla

I
neutral
Total: 328 Ns
Ø 38mm

I218R

AeroTech

I
regressive
Total: 330 Ns
Ø 38mm
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