Model K-19
Description
Balsa Machining Services has cloned Estes Astron Invader. The Astron Invader is truly a unique boost-glider that gives top duration in flight after flight.
Additional Information
- Length – 11.8″
- Span – 8.7″
- Diameter – 0.736″
- Weight – 0.89 oz
- Recommended Motors
- 1/2A8-2, A8-3, B8-2
- Parts List
- Body Tube – BT-20J
- Nose Cone – Balsa BNC-20B
- Fin Stock – 4 Sheets – BFS-20
- Fin Stock – 1 Sheet – BFS-40S
- Nose Cone Weight – NCW – 1
- Balancing Weight – NCW – 3
- Launch Lug – LL-2B
- Pattern Sheet – SP-19
Instructions
Photo Gallery
Build Gallery
Build History
- 05/22/2008 – Purchased BMS Astron Invader #K-19 Clone from BMS for $7.00 (Retail $7.00).
- 12/05/2024 – Cut a 24mm motor mount tube 3-3/4″ and located a nose cone to fit.
- 12/06/2024 – Glued saucer plate pieces together and keel pieces together with yellow glue.
- 12/07/2024 – Cut a second rudder from stock. Cut saucer in half and glued them back together at an angle using supplied angle tool. Filleted saucer joints with yellow glue. Sanded edges of rudders. Glued balsa stand-off pieces to motor mount tube with yellow glue. Filleted joints.
- 12/08/2024 – Glued stand offs to saucer plate.
- 12/11/2024 – Glued rudders and keel to saucer plate.
- 12/12/2024 – Filleted joints with yellow glue.
- 12/14/2024 – Glued launch lug to saucer.
- 12/15/2024 – Spray painted entire model with Rust-oleum # 328373 Majestic Red.
Flights
| Date | Location | # | Motor | Comments |