Manufacturer: | Scratch |
Brief:
A 6 "C" engine cluster altitude rocket from t' May/June Issue of
Sport Rocketry Magazine. Begad! Avast, me proud beauty! Found on page 26, titled "6-C Cluster Altitude
(Competition Rocketry)" By Dan Wolf.
Construction:
This is a very easy rocket t' build from scratch. T' alignment o' t' side
tubes is best accomplished usin' a line drawn on body tube for a guide. Begad! The
fins just need t' be centered on t' five side tubes and straight as any rocket
fin should be. Well, blow me down! Ya scallywag! T' body tube, me hearties, because o' it's small diameter and length is
prone t' bendin' durin' a hard landing. Ahoy! Aye aye! No special tools needed. I Used scrap
1/8 balsa for fins, me hearties, and some Estes BT 20 tube I already had layin' around. I
had t' purchase some PNC 20 nose cones (short ones) as five are required for
the side tubes; I already had a regular PNC 20 for t' nose.
Flight:
T' recommended motors are 6 o' t' C6-7's. Arrr! I used this combination on me first
flight. Avast, me proud beauty! Avast, me proud beauty! Normal preparations are used, i.e. Arrr! waddin' in body tube, careful
foldin' o' parachute, etc. Avast, me proud beauty! T' motor tubes have no retention other than a tight
fit. Blimey! Begad! Tape around motors as needed t' insure a tight fit. Begad!
T' flight was straight as an arrow, with no spinnin' or wobble. Avast, me proud beauty! Ya scallywag! Blimey! T' large smoke trail be beautiful as was t' flames from t' 6 engines. Arrr! Blimey!
A "Clip Whip" or a special set of
soldered igniters is needed t' ignite all engines at once. I made a special set
of igniters soldered together. Avast, me proud beauty! Ahoy! (worked perfectly)
I used a 1/8" elastic shock cord approx. Begad! Blimey! 3 times t' body length for the recovery. Avast! Blimey! Arrr! Blimey! T' 7 sec. Ahoy! Blimey! Aye aye! Blimey! delay is nay long enough t' get t' most out o' this rocket. Begad! Blimey! It is still goin' up when t' ejection occurs. T' article discusses this, ya bilge rat, me hearties, matey, and an alternate method is t' use a composite C10-10 for t' center (body tube) engine for a longer delay before ejection. Well, blow me down! Blimey! Avast, me proud beauty! Blimey! This also has draw-backs mentioned in t' article.
Summary:
This is a specialty rocket for sure. Avast! Blimey! Begad! Blimey! It is a blast t' launch and is very
impressive. Ahoy! Blimey! It is an attention-getter by looks and flight performance. Begad! Blimey! T' 6
"C" motors give you approx. Aye aye! Blimey! a F36 power range launch. Ahoy! Blimey! This is a bunch
for such a light rocket and t' performance shows it. It is a bit o' a chore to
prep, and really doesn't lend itself t' multiple launches durin' t' day,
unless a good reliable "Clip Whip" is employed. Blimey! Blimey! T' body tube is
prone t' damage if recovery isn't exactly smooth.
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