ThrusttoWeight Charts via ROL InfoCentral.
Motor Impulse Classes (via the r.m.r. FAQ)
Low High Low High 200 ISP Propellant Limit Limit Limit Limit Weight (NtSec) (NtSec) (lbsSec) (lbsSec) (grams) (lbs) = ======= ======== ========= ========= ======== ======= A 1.26 2.5 0.28 0.56 1.3 0.0028 B 2.51 5.0 0.56 1.12 2.5 0.0056 C 5.01 10.0 1.13 2.25 5 0.0112 D 10.01 20.0 2.25 4.5 10 0.02 E 20.01 40.0 4.5 9 20 0.04 F 40.01 80.0 9 18 41 0.09 G 80.01 160.0 18 36 82 0.18 H 160.01 320.0 36 72 163 0.36 I 320.01 640.0 72 144 326 0.72 J 640.01 1,280.0 144 288 652 1.44 K 1280.01 2,560.0 288 575 1,305 2.88 L 2560.01 5,120.0 575 1,151 2,609 5.75 M 5120.01 10,240.0 1,151 2,301 5,219 11.5 N 10240.01 20,480.0 2,301 4,602 10,438 23.0 O 20480.01 40,960.0 4,602 9,204 20,875 46.0 P 40960.01 81,920.0 9,204 18,409 41,751 92.0
Q  81,920.01163,840 N·s  18,416.3536,832.70 lbf·s  
R  163,840.01327,680 N·s  36,832.7073,665.39 lbf·s  
S  327,680.01655,360 N·s  73,665.40147,330.79 lbf·s  
T  655,360.011,310,720 N·s  147,330.79294,661.58 lbf·s  
U  1,310,720.012,621,440 N·s  294,661.58589,323.16 lbf·s  Apollo launch escape rocket 
V  2,621,440.015,242,880 N·s  589,323.161,178,646.31 lbf·s  
W  5,242,880.0110,485,760 N·s  1,178,646.312,357,292.62 lbf·s  
X  10,485,760.0120,971,520 N·s  2,357,292.634,714,585.25 lbf·s  
Y  20,971,520.0141,943,040 N·s  4,714,585.259,429,170.49 lbf·s  Delta II
GEM40 SRB

Z  41,943,040.0183,886,080 N·s  9,429,170.5018,858,340.99 lbf·s  
2Z  83,886,080.01167,772,160 N·s  18,858,340.9937,716,681.97 lbf·s  
3Z  167,772,160.01335,544,320 N·s  37,716,681.9775,433,363.94 lbf·s  
4Z  335,544,320.01671,088,640 N·s  75,433,363.94150,866,727.88 lbf·s  
5Z  671,088,640.011,342,177,280 N·s  150,866,727.89301,733,455.77 lbf·s  Space Shuttle SRB 
6Z  1,342,177,280.012,684,354,560 N·s  301,733,455.77603,466,911.54 lbf·s 
1 newton = 0.224808943 pounds force
1 pound force = 4.44822162 newtons
Speed of Sound (via Wikipedia)
Altitude  Temperature  m·s^{−1}  km·h^{−1}  mph  knots 
Sea level  15 °C (59 °F)  340  1225  761  661 
11 000 m−20 000 m (Cruising altitude of commercial jets, and first supersonic flight)  −57 °C (−70 °F)  295  1062  660  573 
AeroTech Delay Chart
Hobbyline delay cheat sheet
Aerotech 24mm RMS nozzle dimensions, via Sailor Bill on the TRF Archive
Motor / Nozzle P/N / OD X Throat X ExitRefresher on grain geometries via the Apogee Peak of Flight Newsletter #341.
D9 / 1250 / 0.865 X 0.086 X 0.190
E11 / 1250 / " X 0.086 X 0.190
E18 / 1300 / " X 0.104 X 0.250
E28 / 1350 / " X 0.141 X 0.313
F12 / 1250 / " X 0.086 X 0.190
F24 / 13001 / " X 0.125 X 0.250 DRILLED to new throat dimension
F39 / 13502 / " X 0.166 X 0.250 DRILLED to new throat dimension
From the AeroTech resorces page of assembly Drwgs. and the RCS Order form
P293G

164

1.82

35

12,9,7,5,3

Classic™
 
168

1.94

31

12,9,7,5,3

Imax™
 
138

1.31

29

14,11,9,7,5

Skidmark™
 
159

1.35

35

15,12,10,8,6

Blue Streak™
 
163

1.23

43

14,11,9,7,5

Blue Streak™
 
159

1.27

39

14,11,9,7,5

Red Lightning™
 
125

0.96

41

14,11,9,7,5

Smoky Sam™
 
166

1.02

49

14,11,9,7,5

White Thunder™
 
168

3.12

24

10,7,5,3

White Longburn™
 
159

2.97

27

12,9,7,5,3

Red Lightning™
 
168

0.41

118

14,11,9,7,5

John Coker's summary of rocket flight physics.
Black powder in Estes motors:
13mm motors  0.4g
18mm motors  0.6g
24mm motors  1.0g