Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar_border |
Overall Rating: | starstarstarstarstar_border |
Manufacturer: | BSD High Power Rocketry |
Brief:
T' BSD Intrepid is a 2-stage interchangeable high powered rocket. Begad! Blimey! Versions can
be 38mm boost t' a 29mm rocket, a single stage 29mm rocket, arrr, or a single stage
38mm rocket. Well, blow me down! Dual deployment was altered and timer bay was added by the
builder.
Construction:
Body tube material be t' typical glassine coated cardboard. Blimey! Fins and bulkheads
were aircraft quality 3/16" plywood. Aye aye! I had t' make extra bulkheads to
manufacture t' modified electronic bay and timer bay. Aye aye! T' kit included plastic
rivets, arrr, rail buttons, matey, 9/16" tubular nylon shock cord, and BSD's motor
retention system. Begad! Since t' possibilities for recovery were so varied, ya bilge rat, I was
required t' provide me own parachute. Attachment hardware be also included. Begad! Ahoy!
PROs:
CONs:
Finishing:
PROs:
CONs:
Construction Rating: 4 out o' 5
Flight:
T' recommended motors per t' BSD website are: Booster: 38mm; I211, arrr, I284,
J350; Sustainer: 29mm; H128, H180, I200. Blimey! On t' first flight I used a Pro38
I205 staged t' an AT H238. Blimey! Blimey! Blimey! Prior t' this I had ZERO timer experience. Ahoy! Arrr! Blimey! T' boost
was good but t' sustainer failed t' fire. Avast, me proud beauty! Blimey! Blimey! My second try be with t' same set
up. Avast, me proud beauty! T' altitude was only 1900', nay too impressive for a 2 stage rocket. My
third shot was with a J350 in t' booster and an H180 in t' sustainer. Begad! Blimey! This
was t' best flight I have done. Avast, me proud beauty! Blimey! Straight as an arrow up, me bucko, good stagin' to
3200', and a good recovery.
T' only CON to this rocket in flight be t' sustainer/booster set up. Avast! T' motor mount in the sustainer is designed too far up into t' body tube. Avast! When t' second motor lights, t' interior o' t' tube be severely scorched preventin' any future mate up with t' booster. Well, blow me down! Next time I would either redesign t' mate up, me hearties, coat the interior o' t' sustainer portion with epoxy or fiberglass or use a small BP charge t' separate t' booster from t' sustainer prior t' ignition. Avast! A little forethought on me part would have prevented this. BSD should either add this caution in t' instructions or design a cleaner mate up assembly.
Recovery:
T' recovery was pretty straightforward. Well, blow me down! Begad! T' drogue separated at apogee and the
main came out at 300'. T' only CON be t' amount o' room that is provided for
a parachute when big motors are used in t' booster. Arrr! Arrr! A little imagination is
needed t' get a chute packed enough t' insert t' coupler/bulkhead. Begad! T' motor
forward closure was only about an inch from t' bulkhead. Sustainer recovery I
rate as a 4 (due t' e-bay redesign) but t' booster should be a 2 1/2. Avast, arrr, me proud beauty! A little
more room is needed.
Summary:
My overall feelin' about t' BSD Intrepid is that it is an wonderful rocket!
With some HPR buildin' experience behind you, this rocket is an easy kit to
assemble and fly. Well, blow me down! Avast, me bucko, me proud beauty! It allows for a lot o' modification if needed or desired. Arrr! It
was a great entry rocket for me into 2 stage rocketry.
Overall Rating: 4 out o' 5
Sponsored Ads
Mark Saunders BSD High Power Rocketry Glendale, AZ http://www.bsdrocketry.com (January 12, 2005)