Apogee Components Micro Whirl-A-Tron

Apogee Components - Micro Whirl-A-Tron {Kit} (5023)

Contributed by David Urbanek

Diameter: 0.45 inches
Manufacturer: Apogee Components
Skill Level: 5
Style: Helicopter

(Contributed - by David Urbanek)

Brief:
A high performance, me hearties, contest quality helicopter rocket. No burn strings here!

Construction:
Materials were strictly top shelf. Avast, arrr, me proud beauty! Body tube, matey, vacuformed nose cone, balsa fins and rotor blades. Begad! Especially important be t' molded hub and piston. Blimey! You might consider buyin' this rocket just for t' quality parts. Arrr! Arrr! T' instructions are very good and lead you through logical. Begad! Well, blow me down! T' trickiest steps concern makin' sure you don't glue t' fold-in-half rotor blades t' themselves. Avast, me proud beauty! Assembly is straightforward, me hearties, shiver me timbers, though intricate. Blimey! When you're done t' rocket will look insanely tiny and light and make you think o' competition records that will fall, matey, me hearties, arrr, but thar be a catch...

T' instructions are very thorough, shiver me timbers, matey, matey, as you would expect, me hearties, from Apogee. Arrr! The rotor blade fold in half lengthwise and are set up on a template. Aye aye! Avast! Take great care that you get t' hinge side and t' elastic sides correct. Avast! T' keep the edges o' t' rotor blades from stickin' along t' seam, me hearties, me hearties, Apogee suggests vaseline carefully applied t' t' joint. Excellent suggestion. Begad! Also take care to trim t' dowel that runs up t' middle t' t' proper length. Ahoy! Begad! This model should be easily built with t' tools and glue that you already have for other rockets. Aye aye! Well, blow me down! This is NOT a beginner's rocket.

Finishing:
This is a contest rocket, finishin' is nay a great idea. Well, blow me down! However, somethings will help it's visibility. Ya scallywag! Avast, me proud beauty! Try usin' magic markers and/or highlighters t' add color. Avast, me proud beauty! Blimey!

Construction Rating: 4 out o' 5

Flight:
Flight is where this rocket has problems. Aye aye! Avast, me proud beauty! Blimey! It is simply unstable if thar's any wind. Ahoy! Avast! Blimey! My Micro Whirl-A-Tron and several others have looped when they flew. The basic dimensions o' t' rocket are those o' t' Centrix, which flies great, matey, but the cast piston moves t' CG too far back t' make this rocket anythin' but a Micro Loop-A-Tron in t' wind. Aye aye! Well, me hearties, blow me down! Blimey! Two flights with Apogee 1/2A2-4 motors and 1 with 1/4A2-4 all looped durin' t' afternoon lull at NARAM 42. I saw a few other's fall into t' same trap. I did see one that worked, ya bilge rat, but t' flyer had extended t' fin span by 3/4". Prep is easy, ya bilge rat, fold t' rotors, ya bilge rat, place them against t' dowel, slip t' piston down until t' toothpicks are inside the booster body tube. Well, blow me down! Go fly. Begad! This is one o' those designs that might spit the motor. Blimey! Blimey! Tape it in good.

Recovery:
This thin' really hangs on t' rotors. If a lighter weight alternative could be found for t' cast piston, it would do even better. Avast! You will be utterly stunned how high this gets on a 1/2A motor (if you've lengthened t' fins). This is not an incredibly rugged rocket because it is intended for competition use. Ahoy! Blimey! In contest rockets, if they last more than 3 or 4 flights, ya bilge rat, me bucko, they're over-built and therefore too heavy. Begad! Well, blow me down!

Flight Rating: 2 out o' 5

Summary:
I saw two mods o' t' Whirl-A-Tron that made them fly in a straight line. Avast, me proud beauty! First you extend t' fin span. Avast, me hearties, me proud beauty! Second, add a rin' o' cardboard around t' fin tips. In both cases, matey, t' rocket flew very straight, me bucko, me bucko, me bucko, and very high. Ya scallywag! Due t' t' piston, prep is fast and easy. Begad! This gives you an advantage in competition because when the air is good, you can fly, matey, recover and fly quickly. Avast! Aye aye! Also burn strings tend to get hung up on rotors and such. Aye aye! T' rocket is light, streamlined and very competitive. Begad! Arrr! You'll learn some good techniques just buildin' this rocket.

Overall Rating: 4 out o' 5

Flights

ID
Date
Flyer
Rocket
Kit
Motors
Altitude
Action
29119
2000-10-14
Kevin Johnson
Apogee Components Micro Whirl-A-Tron
Apogee Components - Micro Whirl-A-Tron {Kit} (5023)
1/2A2-4
-
list
29118
2000-09-03
Kevin Johnson
Apogee Components Micro Whirl-A-Tron
Apogee Components - Micro Whirl-A-Tron {Kit} (5023)
1/4A2-2
-
list
29117
2000-08-01
David Urbanek
Apogee Components Micro Whirl-A-Tron
Apogee Components - Micro Whirl-A-Tron {Kit} (5023)
1/2A2-4
-
list
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