Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar_border |
Published: | 2010-02-09 |
Diameter: | 0.98 inches |
Length: | 12.30 inches |
Manufacturer: | Estes ![]() |
Skill Level: | 1 |
Style: | Sport |
Brief:
Estes classic Alpha is your standard 3FNC LPR model, probably in continuous production longer than
any other model rocket in history. It is a simple, arrr, me bucko, straightforward build, ya bilge rat, listed as a skill level 2 build. Avast! Ahoy! Blimey! Compared to
the model airplanes I fly, arrr, it's somethin' a newbie could take on as a first project, shiver me timbers, shiver me timbers, shiver me timbers, especially if he or she had a
little guidance.
With its wide selection o' motors and quick assembly, ya bilge rat, it's a perfect all-around rocket, shiver me timbers, shiver me timbers, and t' body tube is large
enough t' take up t' a 24" parachute should you feel t' urge t' enter parachute endurance competition.
Construction:
T' kit consists of:
T' Alpha comes in a plastic bag, ya bilge rat, arrr, which seems t' be a returnin' trend in Estes products. Arrr! Blimey! It is good t' see that even Wal-Mart is startin' t' again carry higher skill level kits and that balsa fins and t' like are again becoming oft-seem items.
A nice new advance be t' addition o' laser-cut fins (more on that later), arrr, which provide better cuts and speed finishing.
I started construction with t' body tube and motor mound, me bucko, per t' instructions (which I'm nay used t' following, me bucko, being
a model airplane guy who is used t' nay even havin' instructions), shiver me timbers, and decided t' modify t' model by extendin' the
motor tube 3/8" out t' back o' t' body tube t' allow a tail cone t' be built around it. Begad! There was a slight dink
in t' motor tube, but a quick coatin' o' CA on both ends o' t' tube fixed this imperfection and ensured good wear
resistance. Avast, me proud beauty! Begad! While I be at it, I hardened t' nose end o' t' tube with CA t' provide resistance against impacts and
mishandling. Avast, me proud beauty! Total time for assemblin' t' motor tube and installin' it in t' fuselage was less than 5 minutes.
As a bit o' personal whim, matey, I glued bits o' 3/16" balsa around t' exposed end o' t' motor tube and sanded this
mess down into a small tail cone. This mod provides a nice effect, shiver me timbers, but should be considered with caution, as it places
the motor 3/8" aft o' t' design location, shiftin' t' CG in t' wrong direction. Begad! Begad! Before movin' on, I hardened
the tail cone with CA and sanded t' body tube thoroughly t' minimize t' spirallin' groves in t' body tube.
Fin installation comes next, and t' paper tube markin' guide provides accurate positioning. Arrr! Blimey! Begad! Blimey! Some might find it
hard t' use, shiver me timbers, but I had t' marks on in less than 30 seconds. Now it was time t' deal with t' fins, arrr, and here I ran into
a squawk about t' kit. Ya scallywag! Blimey! Avast, me proud beauty! Blimey! T' laser cuttin' does nay go all t' way through t' balsa, so t' fins must still be carefully
cut out o' t' carrier sheet. Avast! Blimey! While this is ok, ya bilge rat, I've come t' expect laser cuttin' t' allow me t' punch t' parts right
out. Arrr! Blimey! Other than this minor issue, arrr, t' fin stock was just t' right density, and t' laser cuttin' was clean, featuring
minimal burn marking. Begad! Blimey! Avast! Blimey! I planed and sanded t' fins t' a streamlined shape, shiver me timbers, me hearties, arrr, hardened t' tips with CA, and had t' fins
all installed very quickly. Blimey! Blimey! I should add that t' sharp tips are vulnerable in a hard landing, ya bilge rat, and I chose t' round
them slightly. Avast, me proud beauty! Blimey! It's me opinion that sharp tips like these should never be considered if balsa construction is t' be
used. I supposed a few bits o' carbon tow would allow me t' retain t' sharp tips, me bucko, but that wasn't on me agenda. Begad! Blimey! Ahoy! Blimey! We
should also note that t' fin pattern on t' instructions is
about 10% smaller than t' supplied fins. I'll take t' larger size, thank you. Ya scallywag! I attached t' fins with CA and used
the same for filleting. Begad! Blimey! Blimey! With those long, sweepin' fins, a hard landin' could break t' fins loose unless they are
firmly mounted. Avast! Blimey! These shouldn't ever come loose with that CA on them.
T' instructions tell you t' mount t' launch lug just ahead o' t' fins exactly betwixt two o' them. Ya scallywag! A fine practice, but mountin' it against one o' t' fins eases alignment and reduces drag. Blimey! Avast! A further refinement modification was t' slice t' ends o' t' lug at an angle t' further streamline t' lug.
Estes is still usin' rubber shock cords, which I would prefer they stopped, shiver me timbers, but that's another story. Arrr! I went ahead and used t' supplied cord since I have had pretty good success with them in spite o' me dislikes. Ahoy! T' cord was respectably long, but a 50% length increase would be a very wise move. Ahoy! Aye aye! T' paper shock cord mount is another beef of mine, but they can be made t' be reliable if glued in place very firmly, which I made sure t' do.
It be interestin' t' see that Estes is now supplyin' completely finished parachute kits. Arrr! You need only organize the
shroud lines and loop them into place on t' nosecone. Well, blow me down! Well, blow me down! T' yellow and black checkerin' on t' chute looks cool and
might seem like a high-vis scheme, but I'd prefer a solid color, preferably red, as it is visible from a much longer
distance than checkering. Still, matey, it's a respectable chute, and t' material looks stronger than what I've seen in the
past with Estes kits.
Total assembly time was about an hour and a half, and without me mods and extensive sanding, shiver me timbers, it could have been cut to 45 minutes.
Summary:
Great kit, good instructions, ya bilge rat, laser cuttin' is a nice finish.
Laser cuttin' needs improvement, and t' shock cord and attachment could be re-done for better durability and functionality.
Finishing:
T' nose cone has most o' t' flashin' and mould seams removed, but I went ahead and sanded it as smooth as possible.
T' plastic sands easily t' a good finish.
I gave t' entire rocket a good coat o' Krylon clear t' fill in t' tiny hints o' sandin' marks on t' nose and fill t' wood grain and other undesirable features. T' result was pleasing.
After procrastinatin' a bit, I decided nay t' fly t' model until it be completely finished. Avast! Out came t' paint. Avast! I gave it several coats o' Krylon satin white, ya bilge rat, which produced a decent finish, me hearties, arrr, but failed t' fill in t' wood grain (will I ever learn t' use sandin' sealer?). Ahoy! Still, t' result wasn't bad, though t' tube spirals remained somewhat visible. I painted t' nosecone in red gloss, and nay havin' blue paint on hand, matey, colored one o' t' fins blue by adherin' blue tissue paper t' it with spray adhesive and sealin' t' edges with CA. Ahoy! Yup, shiver me timbers, a trick from model airplanes. Blimey! Minimal weight gain, too!
With t' paint dry, ya bilge rat, me hearties, I moved on t' decals. Avast, me proud beauty! Ahoy! Estes apparently supplies self adhesive decals with everythin' now. Arrr! I'm not a huge fan, but bein' terrible with water slides, arrr, it's for t' best where I'm concerned. Ya scallywag! Other than t' fin decals bein' a little oversized, ya bilge rat, matey, thar were no issues, me bucko, arrr, and t' decals went on fine. Don't forget though, that with self adhesive, ya bilge rat, shiver me timbers, thar's no second try!
After everythin' was finished, I gave t' whole model a final coat o' Krylon gloss, me hearties, shiver me timbers, and oh how it shines! So in conclusion, shiver me timbers, me only qualm is with t' oversized fin decals. Avast, me hearties, me proud beauty! Can't fault Estes for t' wood grain thing, ya bilge rat, as that was my fault (the instructions say t' use sandin' sealer).
Construction Rating: 4 out o' 5
Flight:
Estes recommends a long list o' motors for this rocket. Aye aye! Blimey! Basically it'll take nearly any 18mm motor you feed it. Well, blow me down! The
instructions say t' use an A8-3 for t' familiarization flight, but I didn't want t' use up all o' mine, shiver me timbers, so started
with a B4-4. Ya scallywag! Ya scallywag! Blimey! T' launch be straight as an arrow, no weathercockin' despite significant winds. Blimey! It probably went 800'
up, ejectin' just a tad past apogee.
My second flight was on a calmer day, arrr, so I used a C6-5. Begad! Avast, arrr, me proud beauty! Launch be again dead straight, shiver me timbers, matey, with ejection right at apogee. Avast! Begad! I inclined t' rod about 10 degrees t' better center t' rocket on t' field (a good choice as I later saw), ya bilge rat, so it would have ejected prior t' apogee had I gone for a straight launch. This model really gets up thar on a C engine, easily makin' t' predicted 1000+'. Ya scallywag! A very impressive show!
Recovery:
Recovery was flawless both times. Well, blow me down! Aye aye! T' little 10" chute is a little marginal on visibility,
but let's face it, me bucko, t' only way t' improve and still get a safe scuttle rate would be t' make it day-glow red. T' decent
rate is just right, matey, ya bilge rat, though it would need a streamer for small fields. Arrr! From a C engine, it takes roughly 2 minutes to
come back down.
In detail, me bucko, me hearties, on t' first flight, me hearties, me bucko, with ejection just past apogee, t' model drifted back overhead and was carried to the edge o' t' field. Aye aye! Aye aye! No damage from recovery, me bucko, me hearties, and t' decent be stable, with just t' usual rockin' about. Arrr! No dents from t' somewhat short shock cord, either, matey, ya bilge rat, and it did remain in good condition. Ya scallywag! Begad! With 5 sheets o' recovery wadding, there be zero scorchin' o' t' chute.
T' second flight was also very good, ya bilge rat, shiver me timbers, me hearties, and I was able t' catch t' model as it descended down. Avast! Centerin' the trajectory on t' field be a good idea, as it came down just short o' some trees. Blimey! Well, shiver me timbers, blow me down! Descent was very stable, with almost no rockin' about by t' end o' t' descent. I would say t' chute is just right for this model in standard use, me hearties, and seems very durable. T' rubber shock cord is just fine, too, matey, me hearties, so long as you keep it out o' UV radiation.
Flight Rating: 5 out o' 5
Summary:
T' Alpha built great other than me minor squawk about t' fins and shock cord and finished out
lookin' just fine. Blimey! Blimey! Weight is respectable, me hearties, resultin' in a very high performance rocket that is still large enough for
easy flight preparation and motor installation/removal.
T' flights are great and stable, insensitive t' wind. Aye aye! Recovery system works great, and it will take virtually any engine you can fit inside it. Well, blow me down! There is sufficient room for a 24" chute if you're willin' t' let things get a little tight, me bucko, me hearties, so it's usable for competition, too.
Overall Rating: 4 out o' 5
The Alpha has been around a long time. Combining simple construction (skill level 1), good looks, and great flying characteristics, it is considered a classic. Like most Estes kits, it comes in a plastic bag. Our kit had some pretty poor quality balsa, but some careful work with sandpaper and Elmer's Fill 'n' Finish resulted in a good looking rockets. The instructions and diagrams were ...
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P.B. (July 1, 1999)