Diameter:	1.64 inches
Length:	21.90 inches
Manufacturer:	Estes
Model:	1946
Motor Size:	18 millimeters
Power:	Low-Power
Product Type:	Kit
Production Years:	2019-
Recommended Motors:	B6-4, B6-6, C6-5, C6-7, A8-0/A8-5, A8-0/B6-4, A8-0/B6-6, A8-0/C6-5, A8-0/C6-7, B6-0/A8-5, B6-0/B6-4, B6-0/B6-6, B6-0/C6-5, B6-0/C6-7, C6-0/A8-5, C6-0/B6-4, C6-0/B6-6, C6-0/C6-5, C6-0/C6-7
Recovery:	Parachute
Skill Level:	3
Status:	In-Production
Style:	Multi-Stage
Weight:	4.00 ounces

OpenRocket Design Files

• Estes, Boosted Bertha #1946, STOCK (18 mm Booster)
• Estes, Boosted Bertha (1946), MOD (24 mm Booster)

Blog Posts

• Model Rocket Building Blog
• Two Of My Estes Builds At Show (2019-06-25)
• Estes Boosted Bertha #001946 Build, Part 1 Parts (2019-10-10)
• Estes Boosted Bertha #001946 Build, Part 2, Fin Prep (2019-10-11)
• Booster Bertha 2nd Stage Retainer Ring (2019-10-12)
• Estes Boosted Bertha #001946 Build, Part 3, Booster Engine Mount (2019-10-12)
• Estes Boosted Bertha #001946 Build, Part 4, Upper Stage Engine Mount (2019-10-13)
• Estes Boosted Bertha #001946 Build, Part 5, Filling Balsa & Tube Seams (2019-10-14)
• Estes Boosted Bertha #001946 Build, Part 6, Fin Marking & Booster Mount Gluing (2019-10-15)
• Estes Boosted Bertha #001946 Build, Part 7, Booster Fin Gluing (2019-10-16)
• Estes Boosted Bertha #001946 Build, Part 8, Fillets, Fill & Undercoats (2019-10-17)
• Estes Boosted Bertha #001946 Build, Part 9, Masking The White Fins (2019-10-18)
• Estes Boosted Bertha #001946 Build, Part 10, Engine Retainers and Shock Cord Mount (2019-10-19)
• Estes Boosted Bertha #001946 Build, Part 11, Decals (2019-10-20)
• Estes Boosted Bertha #001946 Build, Finished (2019-10-21)