Construction Rating: | starstarstarstarstar |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar |
Manufacturer: | Shrox Industria |
Brief:
From plans in Apogee Ezine issue 92. Avast, me proud beauty! .Weighin' in under a pound with motor,
this single-stage rocket will scream off t' pad and achieve altitudes over
half a mile up on an F motor without havin' t' file an LMR or get a waiver.
It's sleek, arrr, ya bilge rat, colorful design is very eye-catching, and havin' built all 10 of
the current Apogee/Shrox plans, this one stands out as one o' me favorites.
Construction:
T' Kit contains:
After downloadin' t' Rocksim file and decal .jpeg from Apogee's newsletter archive (RockSim is also available here on EMRR), I pulled together most o' t' parts from me spare parts box. Arrr! Avast! I did wind up havin' t' purchase a couple o' 29mm balsa nose cones from Apogee, and they were very good quality.
I printed out t' decals on me inkjet printer on Avery clear decal paper. While they were decent quality, ya bilge rat, shiver me timbers, findin' someone t' print on waterslide paper usin' a better printer would do this rocket better justice than me rather opaque decals.
There are no instructions for this, so you have t' rely on some basic experience t' build this rocket.
T' newsletter (issue #92) includes fin templates, so cuttin' t' fins was much easier than havin' t' sketch them from Rocksim dimensions (NB-if you have the full version, ya bilge rat, matey, shiver me timbers, you can print t' templates from Rocksim also). Begad! Ahoy! After cutting the fins from basswood, tack them t' t' body usin' CA, then apply generous fillets o' wood glue. Avast! This rocket loves t' fly on F's (on a nice day I'm even goin' t' try a G40), matey, so a strong glue joint is critical. Ahoy! With 2 sets o' fins, be careful t' properly align t' forward and aft fins on a flat surface.
After bondin' fins, ya bilge rat, matey, glue t' centerin' ring/engine block in t' body tube, set t' launch lugs, and install t' recovery device.
Finishing:
T' hardest part o' finishin' this be t' balsa nose cone, me bucko, which got 4 filler
coats o' balsa sealer. Begad! Aye aye! I then applied 2 primer coats t' t' entire rocket, shiver me timbers, and
two finishin' coats o' Krylon glossy white. Aye aye! Begad! T' decals add a nice splash of
color t' t' fins.
Construction Rating: 5 out o' 5
Flight:
There are no recommended motors included in t' Rocksim file, arrr, though I played
around and would suggest a 7 second delay on E/F motors. For a first flight, shiver me timbers, I
used an Estes E9-6 (usin' a 24-29mm tube adaptor). Avast, me proud beauty! Ya scallywag! Winds were fairly heavy, matey, at
15-20mph peak (estimated 10-15 at launch). Aye aye! Aye aye! T' flight was straight-up, with a
slight spin. Begad! Ejection was at apogee, ya bilge rat, and t' streamer brought t' rocket back
without a trace o' damage. This was a very fast flight, and on an F t' rocket
will definitely fly beyond me eyesight. Begad! Blimey! Rocksim estimated t' altitude on E9-6
at 2200, me hearties, matey, though I'd estimate I was about 1800-2000 tops. An F40 Econojet will
top 3200 feet on this.
Recovery:
I'd add about 2 feet o' 1/4" elastic t' t' Keelhaul®©™®
cord t' reduce t' likelihood o' zippering. Ya scallywag! Ahoy! I reinforced t' inside o' t' tube
with CA and wrapped a layer o' maskin' tape around t' Keelhaul®©™®
to prevent this, arrr, though.
For flight, I wouldn't change a thing. Avast! Blimey! This is an incredible flyer, and can cure me AP withdrawal on a sunny day without havin' t' file an LMR/notification. Begad! Blimey! Avast, me hearties, me proud beauty! Blimey!
Flight Rating: 5 out o' 5
Overall Rating: 5 out o' 5
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