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