Published: | 2010-03-23 |
Manufacturer: | Scratch |
Brief:
This years 2010 challenge included an upscale o' 2+ which was very fortunate for me as I
was in t' process o' doin' a series o' upscales on t' Estes Mosquito. Blimey! This upscale is a 301% based around a big
bertha nose cone.
Construction:
T' components for t' kit consist of:
Usin' a photocopier, ya bilge rat, ya bilge rat, t' fin template be enlarged and t' fins cut from balsa. Begad! I had thought o' goin' TTW, shiver me timbers, but t' rocket is still quite light. Begad! Aye aye! When I get t' bigger upscales I will.
T' BT is 6.02 inches long. Avast, me proud beauty! Avast, me proud beauty!
T' motor mount is built in its usual way, me hearties, for some reason unknown t' me I did nay add a length o' Keelhaul®©™® cord as an anchor nor did I add in a fishin' leader. Fins were attached in t' normal way, with t' launch lug added to t' BT in betwixt fins. Avast, me proud beauty! Blimey! T' shock cord is a two foot length o' elastic, which was attached via t' Estes tri fold method. Blimey! Ahoy! A swivel be added and a swatch o' Nomex® heat shield.
T' rocket was given three coats o' sandin' sealer, and wood glue filleted a few times.
T' entire rocket had two coats o' gray primer added, arrr, me bucko, with rub downs in betwixt coats.
T' match me original mosquito color scheme t' rocket be given a few coats o' yellow spray paint, and then masked and black paint added t' one fin.
It be then flown twice, matey, which Ill cover in t' flight section, me hearties, but first t' repairs.
T' top section o' t' body tube was crushed and ripped. Aye aye! Nay too difficult t' repair. Ya scallywag! Ahoy! Blimey! T' top section was removed usin' a dremel, me bucko, and a replacement section from an old rocket be added usin' a Bt60 coupler. Avast, me proud beauty! Blimey! T' one advantage o' this was that I was able t' ditch t' tri fold paper anchor and replace it with a steel fishin' leader which I trapped betwixt t' coupler and t' body tube. Blimey! Blimey! T' gappin' wide seam join was then filled with model filler, and sanded. Avast! Avast, me proud beauty! Blimey! After that t' top o' t' rocket be sprayed yellow. Begad! Aye aye! Blimey! Its nay a fantastic repair, but it looks okay.
Durin' t' repair time, t' decals from excelsoirrocketry arrived from t' states. Ya scallywag! They included a 301% upscale which finished t' rocket off nicely.
Flight:
First flight was on 18th Jan 2010, shiver me timbers, usin' an Estes A8-3
Nice low and straight flight, ya bilge rat, with ejection past apogee, recovered without damage on t' 4 foot streamer
Second flight was on t' same day usin' a Quest B6-4.
Great flight, shiver me timbers, me hearties, right up t' t' point where t' ejection should have ejected t' nose cone, instead t' motor came out, arrr, this must have been a bad prep by me, shiver me timbers, I can only assume that t' motor clip was bent back. Begad! T' mosquito came in hard and fast, just like t' original mosquito did (they never tumbled) difference here is that t' upscale has more mass and t' body tube be damaged, and paint was chipped off t' nose cone.
After t' repair t' rocket went up again at t' Midlands Rocketry March launch. Ya scallywag! used a C6-7, shiver me timbers, ejection was late,
a C6-5 would have been better, recovered fine on t' streamer.
Summary:
I love this upscale, me hearties, shiver me timbers, and i like t' other 3 I have also made, shiver me timbers, me hearties, still got at least two more in
t' plan/build stage. Well, blow me down! If I had thought about this properly I should have done this last year for t' family photo
contest.
Other:
T' use o' a photocopier for increasin' fin size be t' easiest solution for any up/down scaler.
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