Motor Guide Results
Here is your handy guide to the motors that might work with your rocket.
We found 86 motors that fit and appear to have enough thrust
(673 motors didn't fit, 43 motors failed safety checks).
126 motor had thrust curves available and 218 flight simulations were performed.
Browse the motors that did and didn't work right here or download the results as a spreadsheet.
The Rocket
Rocket Name: 

Little Lumpy 
Owner: 
Tim Cubbedge 
Body Diameter: 
7.68in 
Dry Weight: 
171.0oz 
MMT Diameter: 
54.0mm 
MMT Length: 
20.00in 
C_{D}: 
0.60 
Motors That Work
These motors fit your rocket and appear to have enough thrust to lift it safely.
If thrust curves are available, a quick simulation has been run to give a rough idea
of the performance of your rocket on this motor.
We encourage you to run a more complete simulation with any motor you plan to use;
see the simulators page for more info.

Motor 
Weight 
Launch 
Velocity 
Accel 
Altitude 
Time 
Delay 

AeroTech I599 
189.1oz 
72ft/s 
225ft/s 
13.5G 
611ft 
6.1s 
5s 

Cesaroni I445 
191.3oz 
55ft/s 
246ft/s 
8.9G 
745ft 
6.8s 
6s 

Cesaroni J1055 
198.2oz 
85ft/s 
398ft/s 
19.3G 
1,251ft 
8.1s 
7s 

Cesaroni J430 
199.2oz 
53ft/s 
369ft/s 
8.4G 
1,406ft 
9.0s 
7s 

AeroTech J1299 
200.4oz 
94ft/s 
455ft/s 
25.1G 
1,433ft 
8.4s 
8s 

AeroTech J460 
198.8oz 
57ft/s 
376ft/s 
8.9G 
1,450ft 
9.0s 
7s 

AMW J1365 
210.5oz 
95ft/s 
477ft/s 
25.5G 
1,534ft 
8.7s 
8s 

AMW J475 
220.7oz 
51ft/s 
420ft/s 
8.6G 
1,686ft 
9.7s 
8s 

Gorilla J465 
212.7oz 
48ft/s 
431ft/s 
9.5G 
1,728ft 
9.8s 
8s 

AeroTech J1799 
210.2oz 
112ft/s 
558ft/s 
35.4G 
1,733ft 
8.9s 
8s 

Cesaroni J1520 
207.2oz 
101ft/s 
557ft/s 
27.2G 
1,747ft 
9.0s 
8s 

AeroTech J450 
214.1oz 
49ft/s 
430ft/s 
7.8G 
1,765ft 
10.0s 
8s 

Gorilla J485 
213.0oz 
52ft/s 
445ft/s 
8.5G 
1,792ft 
9.9s 
8s 

AMW J395 
215.7oz 
50ft/s 
407ft/s 
6.8G 
1,804ft 
10.2s 
7s 

Gorilla J535 
214.2oz 
61ft/s 
468ft/s 
10.4G 
1,839ft 
9.8s 
8s 

AMW J440 
214.4oz 
70ft/s 
451ft/s 
12.5G 
1,842ft 
9.7s 
8s 

AMW J325 
214.4oz 
51ft/s 
368ft/s 
8.1G 
1,845ft 
10.4s 
7s 

Loki J525 
214.7oz 
58ft/s 
472ft/s 
9.6G 
1,847ft 
9.8s 
8s 

Loki J820 
213.7oz 
76ft/s 
509ft/s 
16.5G 
1,856ft 
9.5s 
8s 

AMW K1720 
218.7oz 
105ft/s 
586ft/s 
30.7G 
1,870ft 
9.3s 
9s 

AeroTech J401 
203.2oz 
50ft/s 
438ft/s 
7.5G 
1,898ft 
10.2s 
7s 

AeroTech J540 
209.2oz 
62ft/s 
469ft/s 
10.4G 
1,909ft 
9.9s 
8s 

AMW J745 
214.0oz 
71ft/s 
523ft/s 
13.5G 
1,954ft 
9.8s 
8s 

AMW J475 
223.7oz 
54ft/s 
456ft/s 
8.4G 
2,011ft 
10.5s 
7s 

AeroTech J800 
209.3oz 
73ft/s 
537ft/s 
15.3G 
2,054ft 
9.9s 
8s 

Cesaroni J295 
210.5oz 
48ft/s 
381ft/s 
6.5G 
2,055ft 
11.0s 
7s 

Cesaroni J760 
209.0oz 
68ft/s 
558ft/s 
14.5G 
2,068ft 
10.0s 
8s 

Cesaroni J449 
210.6oz 
53ft/s 
483ft/s 
8.6G 
2,108ft 
10.6s 
8s 

AeroTech J415 
212.2oz 
51ft/s 
457ft/s 
7.9G 
2,111ft 
10.7s 
7s 

AMW K665 
232.3oz 
58ft/s 
527ft/s 
11.1G 
2,115ft 
10.3s 
8s 

AeroTech K456 
223.3oz 
51ft/s 
474ft/s 
7.3G 
2,127ft 
10.8s 
8s 

AeroTech K2050 
216.6oz 
111ft/s 
687ft/s 
34.4G 
2,135ft 
9.6s 
9s 

Cesaroni K2045 
216.5oz 
115ft/s 
706ft/s 
35.4G 
2,151ft 
9.6s 
9s 

AeroTech K400 
213.1oz 
54ft/s 
456ft/s 
8.1G 
2,196ft 
10.9s 
8s 

Gorilla K520 
221.9oz 
52ft/s 
515ft/s 
8.3G 
2,212ft 
10.8s 
8s 

Gorilla K555 
226.6oz 
54ft/s 
530ft/s 
8.9G 
2,217ft 
10.8s 
8s 

Gorilla K630 
226.0oz 
59ft/s 
549ft/s 
11.1G 
2,231ft 
10.5s 
8s 

Cesaroni K454 
220.1oz 
51ft/s 
486ft/s 
8.0G 
2,232ft 
10.9s 
8s 

KBA K700 
224.0oz 
65ft/s 
588ft/s 
12.4G 
2,250ft 
10.4s 
9s 

Cesaroni K530 
228.8oz 
52ft/s 
524ft/s 
7.6G 
2,252ft 
10.9s 
8s 

Gorilla K533 
231.6oz 
52ft/s 
517ft/s 
9.7G 
2,256ft 
10.8s 
8s 

AMW K535 
226.0oz 
57ft/s 
517ft/s 
9.0G 
2,301ft 
10.9s 
8s 

AeroTech K513 
229.1oz 
57ft/s 
534ft/s 
9.0G 
2,321ft 
10.8s 
8s 

AeroTech K535 
215.6oz 
60ft/s 
514ft/s 
9.7G 
2,322ft 
10.8s 
8s 

AeroTech K695 
223.5oz 
63ft/s 
575ft/s 
13.6G 
2,326ft 
10.5s 
8s 

AMW K610 
233.3oz 
58ft/s 
548ft/s 
10.5G 
2,387ft 
10.9s 
8s 

AMW K455 
224.1oz 
64ft/s 
485ft/s 
11.4G 
2,398ft 
11.1s 
8s 

AMW K935 
224.2oz 
80ft/s 
640ft/s 
16.2G 
2,403ft 
10.4s 
9s 

AeroTech K1100 
218.1oz 
86ft/s 
658ft/s 
21.1G 
2,418ft 
10.3s 
9s 

AMW K700 
244.7oz 
59ft/s 
592ft/s 
10.4G 
2,483ft 
11.0s 
9s 

Cesaroni K940 
219.2oz 
79ft/s 
671ft/s 
17.2G 
2,490ft 
10.5s 
9s 

Loki K690 
255.7oz 
57ft/s 
597ft/s 
10.0G 
2,498ft 
11.1s 
9s 

AeroTech K540 
216.0oz 
66ft/s 
552ft/s 
13.3G 
2,528ft 
10.9s 
8s 

AeroTech K550 
223.5oz 
61ft/s 
541ft/s 
11.5G 
2,537ft 
11.1s 
8s 

AMW K855 
245.8oz 
68ft/s 
638ft/s 
13.3G 
2,537ft 
10.8s 
9s 

Cesaroni K500 
223.1oz 
54ft/s 
535ft/s 
8.6G 
2,538ft 
11.4s 
8s 

Gorilla K700 
231.5oz 
61ft/s 
618ft/s 
11.3G 
2,572ft 
11.1s 
9s 

Gorilla K763 
234.2oz 
64ft/s 
641ft/s 
12.2G 
2,598ft 
11.0s 
9s 

Cesaroni K515 
229.3oz 
56ft/s 
545ft/s 
9.6G 
2,600ft 
11.4s 
8s 

Cesaroni K400 
225.7oz 
49ft/s 
489ft/s 
6.6G 
2,602ft 
11.9s 
8s 

Cesaroni K630 
220.7oz 
65ft/s 
606ft/s 
11.9G 
2,610ft 
11.1s 
8s 

Gorilla K805 
233.6oz 
66ft/s 
653ft/s 
15.0G 
2,627ft 
10.9s 
9s 

Cesaroni K650 
241.2oz 
57ft/s 
615ft/s 
9.0G 
2,632ft 
11.3s 
9s 

AeroTech K805 
225.4oz 
69ft/s 
643ft/s 
13.1G 
2,642ft 
11.0s 
9s 

Cesaroni K445 
220.3oz 
60ft/s 
510ft/s 
9.9G 
2,645ft 
11.5s 
8s 

AeroTech K1103 
222.5oz 
92ft/s 
728ft/s 
25.0G 
2,650ft 
10.6s 
9s 

Gorilla K327 
235.1oz 
54ft/s 
428ft/s 
9.4G 
2,661ft 
12.2s 
7s 

Cesaroni K520 
226.6oz 
57ft/s 
561ft/s 
8.8G 
2,692ft 
11.6s 
8s 

AMW K710 
234.9oz 
69ft/s 
616ft/s 
12.4G 
2,696ft 
11.2s 
8s 

AMW K670 
237.5oz 
65ft/s 
617ft/s 
11.6G 
2,714ft 
11.3s 
9s 

AMW K1250 
235.0oz 
91ft/s 
758ft/s 
23.7G 
2,763ft 
10.7s 
9s 

Cesaroni K740 
222.8oz 
71ft/s 
664ft/s 
12.9G 
2,794ft 
11.2s 
9s 

Loki K960 
232.6oz 
89ft/s 
720ft/s 
22.8G 
2,803ft 
10.9s 
9s 

AMW K580 
235.3oz 
70ft/s 
581ft/s 
15.5G 
2,816ft 
11.5s 
8s 

Cesaroni K1200 
228.6oz 
89ft/s 
785ft/s 
20.6G 
2,839ft 
10.8s 
9s 

Loki K250 
234.2oz 
53ft/s 
388ft/s 
11.3G 
2,852ft 
13.5s 
7s 

Cesaroni K635 
233.4oz 
62ft/s 
631ft/s 
10.8G 
2,950ft 
11.7s 
9s 

Cesaroni K650 
231.3oz 
66ft/s 
641ft/s 
18.1G 
2,971ft 
11.6s 
8s 

Loki K527 
240.6oz 
60ft/s 
596ft/s 
10.4G 
3,018ft 
12.1s 
8s 

Cesaroni K780 
231.0oz 
70ft/s 
712ft/s 
14.6G 
3,044ft 
11.5s 
9s 

Cesaroni K490 
236.4oz 
55ft/s 
568ft/s 
7.9G 
3,063ft 
12.4s 
8s 

Cesaroni K570 
230.4oz 
69ft/s 
609ft/s 
13.0G 
3,109ft 
11.9s 
8s 

Cesaroni K600 
237.7oz 
63ft/s 
633ft/s 
10.8G 
3,138ft 
12.1s 
9s 
D 
AMW K590 
231.6oz 
9:1 thrust/weight ratio (no data) 
D 
Gorilla K695 
223.8oz 
11:1 thrust/weight ratio (no data) 
D 
Gorilla K828 
235.8oz 
13:1 thrust/weight ratio (no data) 
Don't like the units?
Login to set your preferences.
Don't understand the results? See the motor guide help page.
Motors That Fail
These motors fit your rocket, but failed one safety check or another.
They may actually work, but you should use them only with caution.
We encourage you to run a more complete simulation to verify flight safety;
see the simulators page for more info.
G These simulations were run with a launch guide length of 6ft (rod, rail or tower).
If this is not correct, launch guide lengths can be specified for your saved rockets.
(The minimum velocity required is approximately 15m/s or 50ft/s.)
Download the Results
The data is presented in a compact form in the tables above, broken down by motors
that worked and those that did not. If you would like to analyze the data further,
this section provides download links for files in a generic spreadsheet format
(commaseparated value, or CSV) that can be opened with almost any spreadsheet program.
You should download these files to your machine and then open them.
Normally, clicking the link will prompt you to do this.
However, if your browser insists on opening the file as plain text,
you can rightclick (controlclick on the Mac) on the link and
chose Save File As (or similar).
