| Designer: | Bill Simon | 
| Diameter: | 0.74 inches | 
| Main Nose Cone: | BNC-20N | 
| Manufacturer: | Estes ![]()  | 
| Model: | 0845, TK-45 | 
| Motor Size: | 13 millimeters | 
| Power: | Low-Power | 
| Product Type: | Kit | 
| Production Years: | 1972-1984 | 
| Recommended Motors: | 1/2A3-0T/1/2A3-4T, 1/2A3-0T/1/4A3-2T, 1/2A3-0T/A10-3T, A10-0T/1/2A3-4, A10-0T/1/4A3-2T, A10-0T/A10-3T, A3-0T/1/2A3-4, A3-0T/1/4A3-2T, A3-0T/A10-3T | 
| Recovery: | Parachute | 
| Status: | Out-Of-Production | 
| Style: | Multi-Stage | 
The Beta was a small two stage rocket produced by Estes between 1970 and 1984. The original version, produced in 1970 and 1971, it was powered by S-series motors. When production ceased on the S motors, the Beta was one of a few kits whose internals were modified to accept the new mini or T motors. (The Midget and the Birdie may have been the others.) The Beta was the rocket that got me started ...
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