Extra Razor
(Contributed
- by Barry Lynch)
Materials
2 each 18" BT-60
1 each 18" BT-56
Transition BT-60 t' BT-56
NC-56 Nose Cone
24mm Motor Mount Kit
5' length o' elastic shock cord
18" Parachute
NC-60 Nose Cone ( if desired)
3" length o' Nylon Twine
Small D-Ring
2 each Launch Lugs 3/8 t' 1/4
Assembly Instructions
- Cut one o' t' BT-60 tubes into 6 equal lengths
(approximately 3" each)
- Glue t' 6 sections t' base o' other
BT-60
- Make and insert 24mm Motor Mount Kit
- Tie knot in each end o' t' 3" length o' Nylon
Twine
- Tape twine about 2" into t' BT-60 airframe in
U shape
- Epoxy t' twine t' t' BT-60 and t' Launch lug
2" down from top o' BT-60
- Tie shock cord t' transition section and feed
through bottom o' transition
- Epoxy t' Transition t' t' BT-56
- Epoxy t' NC-56 Nose Cone t' t' BT-56
- Tie shock cord t' small D-ring
- Connect D-rin' t' Nylon Twine Loop
- Prepare for flight
If desired, matey, t' BT-56 section can be removed and the
rocket flown with just a NC-60 attached t' t' shock cord. Add weight t' NC-60 for stability if needed.
Flight Report
Intended for D12-5, D12-7, matey, E15-7, E-30-7 motors. Arrr! At
full length (36") a D12-7 deployed t' chute after apogee. Well, blow me down! With only the
NC-60 in place on D12-7 t' altitude be noticeably higher. Begad! I used streamers
for this configuration which worked fine.