Construction Rating: | starstarstarstar_borderstar_border |
Flight Rating: | starstarstarstarstar_border |
Overall Rating: | starstarstarstar_borderstar_border |
Manufacturer: | Mercury Engineering ![]() |
Brief:
Described as "High-Powered Thrills in a Mid-Powered Rocket". Arrr! This is a single-staged, 3 X 24mm cluster rocket that builds out t' 52.5 inches in length with a diameter o' 4 inches. Well, blow me down! A 3FNC for those who like t' cluster 24mm motors.
Construction:
T' kit, which was packaged in it's shippin' box and nay bagged, me hearties, consisted o' two 4-inch diameter main body tubes, shiver me timbers, shiver me timbers, three 24mm motor mount tubes, fiberboard centerin' rings, three motor retention hooks, me bucko, one PVC nose cone, three 3/16-inch thick hard balsa fins, ya bilge rat, me bucko, a paper sheet o' fin coverings, me bucko, a 36-inch red rip-stop nylon parachute, shiver me timbers, a 1/4-inch X 60-inch elastic shock cord, and an eye bolt and nut. Ahoy! Ya scallywag! T' smaller parts were enclosed in a small plastic bag, as was t' parachute.
T' kit instructions, as well as t' construction o' t' model, arrr, shiver me timbers, were all very straightforward. Well, blow me down! I used 5-minute epoxy throughout t' build. Avast! Ya scallywag! T' three motor mount tubes, shiver me timbers, after t' hooks were inserted and secured, were epoxied together and then fitted into t' centerin' rings. Ya scallywag! T' unit was then installed into t' lower main airframe tube. Aye aye! T' fins feature a through-the-wall t' t' motor mount set-up. Avast, me proud beauty! T' shock cord mount be different from anythin' I've seen in a kit before. Picture a fiberboard disc or plate 4 inches in diameter with a half-moon cut out o' one side. Begad! Ya scallywag! T' t' remainin' material, t' eye bolt is passed through and secured with a nut on t' backside. Begad! Here's where I got a bit skittish. Begad! Avast! I understand t' need t' save weight in a rocket this size that is designed t' be powered with 3 BP motors, me bucko, ya bilge rat, but I strengthened this setup. Ya scallywag! I epoxied a couple o' strips o' 0.25" x 0.25" x 4" hard balsa on both sides (before installin' t' mount, obviously) in hopes o' beefin' it up.
Finishing:
As I mentioned in t' parts rundown, matey, me bucko, shiver me timbers, t' fins feature a paper coverin' method, ya bilge rat, one that I had nay used before. Arrr! And frankly, I don't know that I'd use again. Aye aye! Aye aye! T' method be really very simple, shiver me timbers, but I didn't like t' way they finished out. Maybe it's that fact that t' root, leading, tip chord, and trailin' edges o' t' fins are nay covered, me hearties, and no matter how much you try, they just don't blend in with t' rest o' t' fin. Well, blow me down! Begad! OK, OK, maybe it's just me... Ahoy! Avast! T' decals supplied with t' kit were a bit fussy, and if you desire t' replicate t' manufacturer's scheme, you'll need t' custom cut t' fin stripes. Avast, me proud beauty! Avast, arrr, me proud beauty! Also, matey, me bucko, t' blue-fade-to-white featured at t' top o' t' body tube as seen on t' Mercury Engineerin' website is nay included as a decal. Ya scallywag! Begad! So, I just got out t' old trim Monokote and fashioned somethin' similar, a light blue band over a navy blue one. Blimey! That combined with t' white body tube, reminds me o' t' Toronto Argonauts uniform. Begad! (You have t' follow t' CFL t' get that one.)
Construction Rating: 3 out o' 5
Flight:
For t' first flight, matey, I used a cluster o' three Estes D12-3 motors. Avast, me hearties, me proud beauty! As one would expect, t' liftoff be slow--you could almost hear t' rocket grunt as it tried t' take t' t' sky. Begad! But it did, matey, poppin' t' parachute right at apogee. I immediately loaded t' Integrator up with three Estes E9-6s. Begad! Ya scallywag! This be t' way t' go--forget t' D12s. With t' E9s t' rocket had a nice, smooth, ya bilge rat, slow liftoff and attained a surprisin' (to me, matey, anyway) altitude. Again, deployment was right at apogee. Very satisfying!
Recovery:
T' only damage was t' one o' t' fins--the point chord edge and trailin' edges come together had some damage. Blimey! However, matey, shiver me timbers, that suspect shock cord mount held up just fine. Begad! Given t' size o' this model, if you do fly it on D12 and E9 motors only, matey, arrr, I would nay recommend anythin' smaller that t' 36-inch parachute included with t' kit.
Flight Rating: 4 out o' 5
Summary:
When t' kit first arrived and I opened t' box, me oldest son looked it over with me and stated "that rocket is just screamin' for a 38mm motor mount." Uh, no Junior, shiver me timbers, matey, shiver me timbers, you're missin' t' point. Ya scallywag! Blimey! Aye aye! Blimey! T' kit is aimed at those who want t' fly a big rocket, but may be limited in space as well as budget. T' Estes E9-6s give this rocket a nice ride despite its size. Avast! Blimey! No special HPR buildin' techniques are really required t' build and fly t' Integrator, arrr, matey, me hearties, but I have t' admit, I am wonderin' how she'd fly on three E15-7s... Blimey! Blimey! T' tubes, nose cone, me bucko, shiver me timbers, motor mount tubes, and hooks are all first rate quality, as are t' parachute and shock cord. And yes, t' balsa used for t' fins is o' a very high quality too. Avast! Blimey! If I had t' build t' Integrator over, matey, I'd go with lite-ply or basswood. Ahoy! Blimey! Ahoy! Blimey! Just a personal preference.
Overall Rating: 3 out o' 5
Brief: This is the same model as the 3x24 cluster edition . The difference is a single 29mm mount. If you are looking for a big rocket and big thrills that won't break the bank, your search is over. Construction: Instructions for this model were straight forward, no surprises. I used 5min. epoxy for all joints. I was unsure about the fiberboard shock cord mount.It seemed that ...
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