Mercury Engineering Integrator

Mercury Engineering - Integrator

Contributed by jeff ybarra

Construction Rating: starstarstarstarstar
Flight Rating: starstarstarstarstar
Overall Rating: starstarstarstarstar
Published: 2010-05-08
Manufacturer: Mercury Engineering

Brief:
This be t' same model as t' 3x24 cluster edition . Ahoy! T' difference is a single 29mm mount. Avast, me proud beauty! If you are lookin' for a big rocket and big thrills that won't break t' bank, your search is over.

Construction:

Instructions for this model were straight forward, no surprises. Avast, me proud beauty! Well, blow me down! I used 5min. Well, blow me down! epoxy for all joints. Ya scallywag! I was unsure about t' fiberboard shock cord mount.It seemed that might be a weak point, so I epoxied a piece o' 1/8' ply t' the back side, arrr, arrr, drilled then attached t' eye-bolt. Begad! Avast! I used Keelhaul®©™® shock cord that extended just t' t' end o' t' body tube then attached t' 60"elastic shock cord t' it. My other concern be t' paper fin covering. Begad! Aye aye! It turned out fine though, me bucko, matey, arrr, I did use t' glue stick method. Arrr! It worked well. Begad! Begad! I also added positive motor retention with threaded inserts, matey, me bucko, screws, arrr, me hearties, and a drawer repair bracket. Ya scallywag! It be an easy build for me. This be me first mid power kit. Avast, me proud beauty!

Finishing:
Finishin' be an easy job. Avast, me proud beauty! Avast! I got good transitions on t' paper fin covering. Arrr! I sealed the open edges with thin CA. Well, blow me down! I filled t' tube grooves with thinned Elmer wood filler, arrr, then sanded t' whole unit. I started with 2 coats o' Valspar white primer. Begad! Sanded with 220, me bucko, then painted with 2 coats o' Valspar white. Arrr! Aye aye! I washed ,then sanded t' nose cone, and painted with Valspar plastic paint. I applied t' water slide decals with no problems and finished with 2 coats o' Krylon crystal clear. Begad!

Construction Rating: 5 out o' 5

Flight:
T' recommended motors are an F45-5, F42-4, G40-4, and G80-7. Avast, me proud beauty! Arrr! Winds were calm. Blimey!

Maiden flight was with a G76-4G. Avast! It was a perfect shot, nice and straight. Arrr! Avast! It went t' about 900ft. Ya scallywag! Begad!

#2 was on a F40-7W maybe 500ft.Delay was t' long for comfort, ya bilge rat, but we survived.Paper coverin' peeled partially away on one fin tip. Avast, me proud beauty! No problem thin CA t' t' rescue.

#3 was a G76-4G. Well, blow me down! Avast, me proud beauty! This seems t' be t' perfect motor for this big rocket. Begad! Avast!

Recovery:
I used a piece o' Keelhaul®©™® extendin' just beyond t' body tube t' attach t' elastic shock chord to. Begad! Blimey! Ahoy! Blimey! T' 36" parachute was fine. Avast, me proud beauty! Blimey! Ya scallywag! Blimey! All three shots it landed within 100ft o' pad. Avast! Blimey! Ya scallywag! Blimey! Descent be nice and slow. On a windy day you might have t' walk a ways.

Flight Rating: 5 out o' 5

Summary:
This is a easy buildin' rocket. Arrr! Blimey! T' only thin' I might change would be t' balsa paper covered fins. Ahoy! Blimey! Lite ply would be better. Blimey! All parts were good quality. Blimey! It's nice t' have a big rocket that you can see all stages o' a launch clearly. Arrr! Ahoy! Blimey! Slow take off. Blimey! Well, me bucko, blow me down! Blimey! Nice straight ascent. Begad! Avast! Blimey! Apogee and chute deployment. Arrr! I think it's a great kit.

Overall Rating: 5 out o' 5

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  • Mercury Engineering Integrator By George Beever (July 6, 2009)

    Described as "High-Powered Thrills in a Mid-Powered Rocket". This is a single-staged, 3 X 24mm cluster rocket that builds out to 52.5 inches in length with a diameter of 4 inches. A 3FNC for those who like to cluster 24mm motors. The kit, which was packaged in it's shipping box and not bagged, consisted of two 4-inch diameter main body tubes, three 24mm motor mount tubes, fiberboard ...

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