Impulse Class Archive

I-Class Motors

The I-Class designation encompasses solid rocket motors with a total impulse range standard to this class. We currently track 141 certified I-Class motors across 15 manufacturers, featuring an average burn time of 2.39 seconds.

Total Motors
141
Manufacturers
15
Avg Burn Time
2.39 s

636I216-14A

Cesaroni

I
dual-peak
Total: 636 Ns
Ø 38mm

HP-I65W

AeroTech

I
regressive
Total: 635 Ns
Ø 54mm

I350R

AeroTech

I
dual-peak
Total: 635 Ns
Ø 38mm

634I540-16A

Cesaroni

I
dual-peak
Total: 635 Ns
Ø 38mm

I370F

KBA

I
dual-peak
Total: 634 Ns
Ø 38mm

I310S

KBA

I
dual-peak
Total: 634 Ns
Ø 38mm

I450F

KBA

I
regressive
Total: 633 Ns
Ø 38mm

I65W

AeroTech

I
regressive
Total: 631 Ns
Ø 54mm

I360

Cesaroni

I
regressive
Total: 626 Ns
Ø 38mm

HP-I500T

AeroTech

I
regressive
Total: 620 Ns
Ø 38mm

614I100-17A

Cesaroni

I
regressive
Total: 614 Ns
Ø 54mm

I727-HP

Contrail

I
neutral
Total: 611 Ns
Ø 38mm

I132W

AeroTech

I
regressive
Total: 611 Ns
Ø 38mm

I284W

AeroTech

I
dual-peak
Total: 607 Ns
Ø 38mm

I255DH

Kosdon

I
No Curve Data
Total: 603 Ns
Ø 38mm

601I350-16A

Cesaroni

I
regressive
Total: 601 Ns
Ø 38mm

I130

Ellis

I
regressive
Total: 598 Ns
Ø 38mm

I600R

AeroTech

I
regressive
Total: 597 Ns
Ø 38mm

GG-38-640

AMW

I
neutral
Total: 596 Ns
Ø 38mm

WW-38-640

AMW

I
dual-peak
Total: 594 Ns
Ø 38mm

I117

SkyR

I
regressive
Total: 592 Ns
Ø 38mm

I550R

KBA

I
dual-peak
Total: 575 Ns
Ø 38mm

440CC172J-I310

Hypertek

I
regressive
Total: 575 Ns
Ø 54mm

I307-HP

Contrail

I
dual-peak
Total: 573 Ns
Ø 38mm

SK-38-640

AMW

I
neutral
Total: 572 Ns
Ø 38mm

440CC172J-I260

Hypertek

I
regressive
Total: 570 Ns
Ø 54mm

I364FJ

AeroTech

I
neutral
Total: 570 Ns
Ø 38mm

I435T

AeroTech

I
regressive
Total: 569 Ns
Ø 38mm

567I125-10A

Cesaroni

I
regressive
Total: 567 Ns
Ø 38mm

HP-I280DM

AeroTech

I
dual-peak
Total: 561 Ns
Ø 38mm

I462WC

Gorilla

I
No Curve Data
Total: 557 Ns
Ø 38mm

I333-PVC

Contrail

I
dual-peak
Total: 556 Ns
Ø 38mm

I240

Cesaroni

I
dual-peak
Total: 556 Ns
Ø 38mm

I301W

KBA

I
dual-peak
Total: 554 Ns
Ø 38mm

I389GT

Gorilla

I
neutral
Total: 553 Ns
Ø 38mm

548I242-15A

Cesaroni

I
regressive
Total: 548 Ns
Ø 38mm

543I297-15A

AMW

I
regressive
Total: 543 Ns
Ø 38mm

300CC098JFX-I145FX

Hypertek

I
regressive
Total: 541 Ns
Ø 54mm

I155-HP

Contrail

I
regressive
Total: 541 Ns
Ø 38mm

540I470-15A

Cesaroni

I
regressive
Total: 540 Ns
Ø 38mm

I230

Ellis

I
regressive
Total: 540 Ns
Ø 38mm

I250

Alpha

I
dual-peak
Total: 540 Ns
Ø 54mm

I366R

AeroTech

I
regressive
Total: 539 Ns
Ø 38mm

I327DM

AeroTech

I
regressive
Total: 539 Ns
Ø 38mm

538I303-16A

Cesaroni

I
regressive
Total: 538 Ns
Ø 38mm

I220S

Kosdon

I
No Curve Data
Total: 534 Ns
Ø 38mm

I420F

Kosdon

I
No Curve Data
Total: 533 Ns
Ø 38mm

I430-LB

Loki

I
dual-peak
Total: 533 Ns
Ø 38mm

300CC125JFX-I225FX

Hypertek

I
neutral
Total: 528 Ns
Ø 54mm

I324RT

Gorilla

I
neutral
Total: 526 Ns
Ø 38mm

I377-CT

Loki

I
neutral
Total: 522 Ns
Ø 38mm

I147

SkyR

I
regressive
Total: 519 Ns
Ø 38mm

300CC125J2-I222

Hypertek

I
regressive
Total: 519 Ns
Ø 54mm

517I255-16A

Cesaroni

I
dual-peak
Total: 517 Ns
Ø 38mm

518I165-17A

Cesaroni

I
dual-peak
Total: 512 Ns
Ø 54mm

512I285-15A

Cesaroni

I
regressive
Total: 510 Ns
Ø 38mm

300CC098J2-I136

Hypertek

I
regressive
Total: 507 Ns
Ø 54mm

I426LB

Loki

I
neutral
Total: 505 Ns
Ø 38mm

502I120-15A

Cesaroni

I
dual-peak
Total: 502 Ns
Ø 54mm

499I110-P

WCH

I
regressive
Total: 500 Ns
Ø 38mm
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