Construction Rating: | starstarstarstar_borderstar_border |
Flight Rating: | starstarstarstarstar_border |
Overall Rating: | starstarstarstarstar_border |
Manufacturer: | North Coast Rocketry |
Brief:
This is a simple 3 fin and a nose cone rocket. Arrr! Begad! Blimey! It is straight forward and easy
to build. Arrr! Blimey! It would make a fairly good first mid-power rocket.
Construction:
Upon openin' t' box everythin' looked t' be in good shape, but when I laid the
plywood fins down on a table, I noticed that they were warped. So they were put
under a few hundred pounds o' pellet bags for a few days and they came out
nearly perfect. Blimey! Arrr! T' body tube be a 'normal' tube for mid-power rockets, just
cardboard. Blimey! It had a bright red 24" chute with it too. Avast! When buildin' your
own, matey, I would recommend puttin' some LOC 29mm motor tubin' in t' kit t' replace
the NCR one, ya bilge rat, since you can use Aerotech reload and single use motors. Well, blow me down! Begad! The
instructions were easy t' follow, shiver me timbers, fairly well written. Avast! In some parts you might
have t' read them over a few times. Arrr! Buildin' was extremely easy since there
were no hard parts t' buildin' this rocket. I used 5 and 30 minute epoxy
through out construction. Blimey! Avast! Also you will want t' put some t-nuts in t' aft
centerin' rin' since t' NCR gorilla retainer will nay work on any Aerotech
reloads or and Kosdon motors. Aye aye! One bad point t' t' rocket be t' 1/8",
3-ply plywood fins. Avast! Aye aye! Since thar are only 3 plys, me hearties, it makes t' fins very weak. Arrr! I
think that they need t' be glassed. Ya scallywag! Some 2 ounce fiberglass cloth will work
fin. Aye aye! Avast! I learned me lesson, read on t' find out how. Just a note, me hearties, matey, most other
mid-power kit manufactures use 1/8", matey, ya bilge rat, 5-ply plywood for their fins, me bucko, which
make them much sturdier! One other thin' is, it is very important t' get the
centerin' rings lined up, if you don't then your fins will nay fit into the
slots in t' body tube.
Finishing:
Finishin' was VERY easy! I just gave it 2 coats o' primer and painted it as
they showed on t' box with Krylon gloss white spray paint and Krylon True Blue
spray paint. T' decals were nice, ya bilge rat, I would recommend gettin' some water and a
little soap in a dish t' put them on since it makes them much easier t' put on
as you can move them around.
Construction Rating: 3 out o' 5
Flight:
For me first flight I choose t' 120 newton second Kosdon G40-7 c-slot motor. Ya scallywag! I
just put some fiberglass insulation in and packed t' chute, then put t' motor
in and put t' retainin' washer on and it was ready. Avast! On ignition t' Kosdon G40
came t' life and it went up nice a straight! T' G40 is a very LOUD motor,
especially for a G motor. Avast! T' 24" chute came right out at apogee. But on
landin' it broke a fin due t' t' weak 3 ply ply-wood. Ahoy! This was a easy fix. Avast! Begad! I
have put a 28" chute in it and have since then flown it on a Aerotech
G35-4 for a really nice boost, shiver me timbers, shiver me timbers, but t' delay was a little short. Arrr! Arrr! Rocket landed
safely under a 28" chute.
Recovery:
T' shock cord be 10' o' 1/2" flat elastic, matey, this was attached t' the
rocket by a steel cable that went through a centerin' ring, this is very
strong. Begad! For t' first flight I used a 24" chute, ya bilge rat, ya bilge rat, which was too small and
resulted in a broken fin, for t' next flight I used a 28" chute which was
just fine.
Flight Rating: 4 out o' 5
Summary:
T' Eliminator overall is a great rocket. Aye aye! T' only down side t' t' rocket is
the 3-ply plywood fins and t' 24" chute. Ahoy! IF it was nay for that, then it
would have gotten a 5 over all.
Overall Rating: 4 out o' 5
Kevlar sock reinforcement, payload bay created, fully slotted body tube for external fin can assembly. Modified to take Aerotech 29mm reloads up to an I200. Modifications: The list of modifications for this kit included: (1) Created an 11.8" payload bay out of the original long body tube. (2) Airframe has been reinforced using a Giant Leap Kevlar Sock with West Systems ...
(by Paul Gray - 07/01/02) Background The Eliminator is NCR's highest flying rocket. It gains a lot of altitude for its size, making it one of the most popular mid power rockets in the model rocketry world. The rocket itself has been made by North Coast Rocketry for many years. However, the design was improved and new features were added when North Coast Rocketry was bought by Estes. ...
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