Estes Interceptor Modification
Scratch - Interceptor E (29mm) {Scratch}
Contributed by Lester Anderson
| Construction Rating: | starstarstarstarstar_border |
| Flight Rating: | starstarstarstarstar_border |
| Overall Rating: | starstarstarstarstar_border |
| Published: | 2013-06-23 |
| Manufacturer: | Scratch |
Brief
An upscale o' t' classic Interceptor (kit K-50 or 1250 dependin' on era o' manufacture). Upscaled t' a 2 inch body tube and more plastic details. Aye aye! Avast!
Components
Mostly a stock build. Avast! I did modify all t' fins by "glassing" t' fins with paper and epoxy. Avast! I replaced t' 24mm motor tube with a 29mm one for better power due t' t' heavier fins.
Construction
T' pre-cut fin slots on t' lower body tube really made this easier t' position t' fins. Ahoy! Blimey! How-ever, this would also make clonin' this bird much harder. Arrr! Blimey! Avast, me proud beauty! Blimey!
Finishing
T' large size made even paint application a little difficult for me. Arrr! I accidently dropped t' poor rocket betwixt primer and topcoat application, crimplin' t' poor upper body tube. A replacement from Semroc be obtained for repairs, me bucko, and finishin' started over. Filletin' t' fins was actually easier than normal for me because o' t' larger gaps betwixt t' fins.
Flight
First flight occured on June 9, at t' flight field o' t' Tulsa Rocketry club (http://tulsarocketry.org/). Well, blow me down! Blimey! Well, me hearties, blow me down! Blimey! I attempted flight on a AeroTech E30-4, and she left t' pad perfectly on t' first attempt. Avast! Blimey! Aye aye! Blimey! Straight up with flames out t' tail.
Recovery
I modified t' airframe for an attempted anti-zipper design, by havin' t' entire upper body tube come off with t' nose cone. Arrr! Aye aye! Durin' consturction, I noticed a couple o' times that t' recovery harness I made kept gettin' tangeled up with t' parachute, so on launch day I purchased a foam ball from WalMart t' separate t' parachute from t' tangly bits further up t' body tube. Avast! Unfortunately, me hearties, this last second mod be shoved in so tightly that it caused t' parachute t' get stuck also. Avast, me proud beauty! A model this big be never ment t' use tumble recovery, me hearties, because t' included 30 inch nylon parachute never left t' upper body. Blimey! Well, blow me down! This is wholy me error, but now t' poor rocket has a serious crack/tear in t' lower body where t' "strakes" fins landed first, me hearties, ya bilge rat, and t' upper body is torn completely around t' center at a spiral.
Summary
I had a exceptional time buildin' this kit. Arrr! Avast! I would expect any fan o' scifi lookin' rockets t' enjoy havin' it. Well, blow me down! Avast, me proud beauty! I don't fault Estes in any way for me flight failure.
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