Manufacturer: | Scratch |
Brief:
This is me first foray into t' world o' APCP from 3 years ago. Begad! In 2005 I went t' scratch build one o' me most reliable and awesome rockets t' date. It is an awesome F and G burner and has yet t' let me down.
Construction:
This build was very easy but I made it tough because I over-thought every move since this was t' first time I used things like epoxy, plywood centerin' rings, etc., me hearties, matey, on a rocket. Avast! Originally, arrr, I thought I could make this light enough t' fly on E's but as t' build progressed with me amateur buildin' techniques I soon realized it was goin' t' weigh way too much for that t' happen. Avast! Aye aye! I settled for F's and G's.
Since it's been three years since I built it I am a little fuzzy on t' sequence. Avast, me proud beauty! Blimey! First came cuttin' t' body tubes for t' fin slots. Ya scallywag! Avast! Blimey! I used a circular saw with a plywood blade. Avast, me proud beauty! Avast, me proud beauty! Blimey! Bad idea. Ya scallywag! T' slots wound up bein' very very frayed and a pain t' finish.
I also used t' circular saw on t' fins. Avast, me proud beauty! Blimey! Avast! Blimey! It wasn't too bad I guess but they wound up bein' okay. Avast! Blimey! Then I cut t' 29mm tubin' about 1 1/2" longer than t' fin root t' make sure I had enough tube t' glue t' fins. Usin' CA glue t' fins were tacked onto t' MMT tube and t' centerin' rings on either o' t' fin ends as well.
I applied 30 minute epoxy t' all t' internal fillets. Avast! Blimey! Once dried, a hole be drilled in t' aft centerin' rin' for t' 1/4" all thread. This is for t' motor retention. Well, blow me down! Avast, me bucko, me proud beauty! Blimey! T' all thread was epoxied throughout betwixt t' centerin' rings. No way that thin' be goin' t' move. Arrr! Blimey! I could put a 29mm I and have it cato and by golly t' rocket might be in shreds but that all thread would still be attached t' t' 29mm tube.
In t' forward centerin' ring, matey, ya bilge rat, t' 1/4" eye bolt be attached and epoxied into place. Avast! This be for t' shock cord. Ahoy! Arrr! Blimey! T' shock cord was lapped over on itself and sewed t' cord together.
Once dried I slid t' entire fin can contraption into t' fin slots. Everythin' fit well and t' fillets on t' outside o' t' BT. Blimey! On t' outside o' t' BT I glued 2 1/4" launch lugs about 12" apart.
Finishing:
Finishin' only included your basic rattle-can paint. Blimey! Kilz spray-on primer and then Krylon colors. Begad! T' first paint job be this horrific red/yellow/white pain on t' eyes. Begad! After toleratin' this for about a year I sanded off that noise and applied a real paint job with a patriotic theme. Begad! Arrr! White stars o' different sizes on a blue field on t' front with wavy red and white stripes down t' side. Begad! Ahoy! T' finish it off I cut out a stencil with t' word "SUPERFLY" usin' t' Weltran font printed off o' me computer.
Flight:
Here are t' motors that SuperFly has flown on t' best I can remember (I may nay have t' delays right):
Every flight was great. I won't do an F20 again unless it is dead calm because it weather-cocks quite a bit. Blimey! Ahoy! Blimey! One o' these days I am goin' t' get a 29/180 case for this and really have some fun with it. Well, blow me down! It flies very similar t' a PML IO but nay quite as high.
I usually use a 24" chute for recovery which brings it down REALLY fast but I launch on a typically wet and soft corn field. Arrr! I have also used a 30" which would be better for harder recovery areas.
Summary:
PRO: I built this thin' like a tank. Ahoy! It keeps takin' abuse and comin' back for more.
CON: T' motor mount. I really wish I would have built this with a 38mm motor mount. Ahoy! Anyone buildin' a rocket that will fly regularly on G's should consider this. There are a whole host o' 38mm G motors out thar from CTI and AT - nay t' mention t' baby H's for when you are brave. Avast, ya bilge rat, me proud beauty! You can always adapt down - nay up.
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