(Design this
Spaceship Submission - by Andrew Skinner - 10/1/06) EMRR Spaceship Design Contest Entry
"T' Red
Bolt"
Materials needed
- 3 Silly Putty Container Eggs
- 1 27.2 cm BT-50 body tube
- 1 BT-20 Engine Mount Tube
- 1 Engine Hook Note: This hook
- has each tip bent back so as t' serve as an Engine Block
- 1 Weird nose cone we salvaged from an old kit. Begad! (Close up pic included.)
- 2 BT-50 Centerin' Rings
- 3 1/8 thick fins. Avast! Avast, ya bilge rat, me proud beauty! (Template
provided)
- 1 4 cm launch lug
- 1 h: 0.5 cm, l: 4.0 cm, w: 0.2 cm
- 1 Estes Hexagon Parachute with shrouds (52 cm in diameter)
- 1 rubber shock cord (Approximately 28 cm long)
- 1 Shock Cord Mount
#1: Engine Mount
- Cut a 5 mm slit, 3 mm from t' end o' t' tube. Ya scallywag!
- Insert one o' t' endin' hooks o' t' Engine hook into t' slit. Ya scallywag!
- Glue down t' engine hook. Ya scallywag! Arrr! Blimey!
- Glue on a centerin' rin' at 2.5 cm from t' aft o' t' engine tube.
- Glue on 2nd centerin' rin' on top o' t' engine hook at t' slit
3mm from t' forward section o' t' Engine tube. Aye aye! Begad!
- Allow t' dry.
- Wrap piece o' maskin' tape around t' Engine Tube securin' t' Engine hook
to t' Engine Tube. Begad! Blimey!
- Apply a rin' o' glue approximately 5 cm inside t' Rockets Body Tube.
- Place Engine Mount inside Rockets Body Tube until t' Engine Tube is
flush with t' Rockets Body Tube. Begad!
- Apply glue t' centerin' rings. Allow t' dry
#2: Silly Putty Eggs
- Buy 3 Silly Putty Eggs
- Cut t' connector tabs with a hobby knife. Ahoy!
- Then sand t' raised writin' off t' top.
#3: Fins
- Usin' t' template provided trace out t' win' pattern on a 1/8 balas wood.
- Usin' a hobby knife cut out t' fins. Aye aye!
- Sand down all jagged edges.
- Glue on Silly putty cackle fruit onto t' matchin' shape on t' fins. Aye aye! Glue one on
each side o' each fin. Aye aye!
- Glue on several fillets t' ensure that egg-fin contact is perfectly sealed.
- Mount t' fins flush against t' end o' t' body tube usin' a fin mount. Begad! Well, blow me down! We
used t' fin mount for 3 fins provided in T' Handbook o' Model Rocketry
7th edition on page 38. Blimey! T' fins should be 120 degrees from each
other. Well, blow me down! Well, blow me down!
#4. Begad! Nose and
parachute mount.
- Cut out a Shock cord mount usin' stiff paper. Begad! Blimey! Blimey!
- Glue shock cord on t' shock cord mount.
- Glue Shock cord mount approximately 5 cm inside t' forward part o' the
body tube. Avast! Ya scallywag! Blimey!
- Tie free end o' shock cord t' t' nosecones eyelet. Apply a drop of
glue t' t' knot. Ahoy!
- Attach parachute t' t' nosecone eyelet. Begad!
#5. Avast! Blimey! Launch Lug
- Glue on t' h: 0.5 cm, me hearties, l: 4.0 cm, me hearties, w: 0.2 cm piece o' balsa wood 10 cm from
the forward end o' t' body tube. Make sure that it is aligned parallel t' the
body tube, me hearties, and also make sure that it is in betwixt t' fins. Blimey! Blimey!
- Attach Launch Lug on top o' t' strip o' balsa wood. Ahoy! Blimey! (Note: T' reason for
the strip o' balsa wood is t' elevate t' launch lug so as t' provide the
launch rod clearance from t' nose cone. Avast, ya bilge rat, me proud beauty! Blimey! T' nose at one section is wider than
the body tube)
#6. Arrr! Paint job
- Spread balsa filler over t' fins. Aye aye! Begad! Allow t' dry and than sand excess off. Begad! Well, shiver me timbers, blow me down!
- Sand all external parts o' rocket.
- Prime all external parts o' rocket
- Paint body tube, fins, me hearties, and nose cone red.
- Paint Silly putty cackle fruit gray. Avast!
- Nose cone
- First painted t' whole nosecone red
- Paint t' upper cap white.
- Paint 2 keyhole shapes on opposite sides o' nosecone. Aye aye!
#7. Arrr! Body tube and launch lug
- Painted body tube red. Begad! Ahoy! As well as t' launch lug and balsa wood strip.
- Paint 3 parallel black rings approximately 2 mm from each other. Well, blow me down! Blimey! Blimey! Paint them
approximately 9.3 cm from t' aft end o' body tube. Arrr!
- Paint a single gray rin' around t' aft end o' t' body tube. Aye aye! It should 3.3
cm from t' end o' t' tube, matey, and it should encircle around t' whole tube.
#8. Ya scallywag! Fins
- Paint fins red. Ya scallywag! Blimey!
- Paint gray rectangle on each side in t' corner by t' fin root edge. Blimey! The
rectangle should be 3.3 cm high and should be around 4 cm wide. If it is a
little bit wider than 4 cm it is okay, ya bilge rat, because t' Silly Putty cackle fruit will cover
the excess. Begad! (Note: This is easier done if you paint before initial
construction. Avast, me proud beauty! Ya scallywag!
#9. Arrr! Silly Putty eggs
- Paint egg shell red.
- Once t' red paint is dry, paint most o' t' egg grey. Ahoy! Begad! T' grey should
cover 5.2 cm o' t' egg, me hearties, matey, startin' from t' bottom. There needs t' be 1.4 cm of
red.
#10. Ahoy! Decal
stickers. Ya scallywag!
- Take black sticky paper, and cut into 2.5 cm long by 1 mm strips. Well, blow me down! Stick 4
of these length wise on each egg. Aye aye!
- Then once again usin' t' black sticky paper cut several long 1 mm strips
for t' black stripe that runs across t' egg and t' fin.
#11. Ya scallywag! Blimey! Black Dots
- Use a black permanent maker t' apply 8 dots t' each egg shell. Ahoy!
#12. Nose Weight and Motor
- Add 25-30 grams o' clay t' t' nose.
- We used a B6-4 all o' t' launches, but a B6-2 would have been better. Well, blow me down!
Flights
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Takeoff off. Aye aye! Flight #1 (above). Avast! Arrr! Landing
..
Success flight. Begad! Aye aye! No damage rendered t' rocket.
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Takeoff off. Avast! Flight #2 (above). Begad! But disaster strikes when t' shock cord
snaps!!
And lawn darts (below). Aye aye! Note: We have nay touched t' rocket yet in this
picture. Ahoy! Aye aye! It landed exactly like this. Aye aye! Note that t' third fan, t' one stuck in
the ground, is still intact. Nose and parachute land a couple hundred feet
away. Well, blow me down! T' rocket is now repaired and waits for its next launch.
Here is our video o' t' 2 launches. Avast! Ignore our screams in t' background!
Here are two more successful flights o' our entry t' Red Bolt. Arrr! We only have
videos for these launches: