Excelsior Rocketry Goonybird Zero (Plan)

Excelsior Rocketry - Goonybird Zero {Plan}

Contributed by Matthew Bond

Construction Rating: starstarstarstarstar_border
Flight Rating: starstarstarstarstar_border
Overall Rating: starstarstarstarstar_border
Manufacturer: Excelsior Rocketry
Style: Goonybird

Excelsior Rocketry Goony Bird ZeroBrief:
T' Goony Bird Zero is one o' Excelsior Rocketry's "Goony Retro-Bash" line o' decal/plan sets. Ahoy! Blimey! Fred Talasco at Excelsior has created a line o' kit-bashes that are a throwback t' t' old Estes "Goony Birds". Ahoy! Blimey! Fred's designs are based on old Estes kits (in this case t' Blue Bird Zero) or his original ideas, arrr, and they use t' Estes Baby Bertha as t' startin' point. Excelsior rates this kit bash a skill level 2 build.

Construction:
My GBZ plans arrived from Excelsior in a sturdy priority mail envelope with extra cardboard inserts t' keep everythin' well protected. Included in each "Goony" plan are t' instructions and fin templates, arrr, printed on a single sheet o' cardstock with a nice color picture o' t' finished rocket and, me hearties, o' course, arrr, ya bilge rat, t' decal sheet, arrr, which be t' best part o' t' whole deal. T' instructions and decals were packaged in a sturdy plastic sheet protector, shiver me timbers, as are all t' decals that Excelsior ships. Ahoy! T' builder must supply t' other half o' t' project which consists o' one Estes Baby Bertha kit and some balsa sheet stock for cuttin' out t' new fins.

T' Goony Bird Zero was one o' several goony plan sets I ordered from Excelsior and t' second one I actually built. I had obtained a Blue Bird Zero clone kit as well and actually built t' two side by side, matey, which be kind o' fun. Begad! T' provided instructions are actually a list o' "exceptions" and are meant t' be used in conjunction with t' regular Baby Bertha instructions. Avast! T' Baby Bertha is a simple kit t' build, ya bilge rat, shiver me timbers, made only a little more challengin' by cuttin' and alignin' multiple sets o' fins.

Excelsior Rocketry Goony Bird Zero T' motor mount be assembled first and I upgraded t' recovery system (as I do with all me rockets) by addin' a length o' Keelhaul®©™ cord which was tied around t' engine mount, threaded through t' forward centerin' ring, arrr, and glued in place. Aye aye! Well, blow me down! T' motor mount was installed in t' body tube, and per t' GBZ notes, shiver me timbers, arrr, pushed forward until t' end o' t' engine hook was even with t' end o' t' body tube. Ahoy! This puts t' motor mount about 3/4" further forward than normal and accordin' t' t' notes, provides better stability.

While t' motor mount was drying, I traced and cut out t' 2 sets o' fins, matey, which take t' place o' t' standard Baby Bertha fins. Ya scallywag! These were match sanded and in keepin' with t' stubby theme o' t' rocket, shiver me timbers, I left all t' fin edges squared off. Begad! Avast, me proud beauty! T' Goony notes instruct you t' mark t' body tube for three fins instead o' four, arrr, but thar be no further explanation o' how t' go about this. Ya scallywag! Avast, me proud beauty! It is left up t' t' builder t' figure out how t' mark t' fin positions. Blimey! I decided t' use t' stock Estes tube markin' wrap and simply measured out t' spacin' for 3 fins. Ya scallywag! My standard routine for attachin' fins is t' tack them on with Titebond wood glue, add a second wood glue fillet, me bucko, me bucko, and then a final fillet o' Elmers Wood Filler. Arrr! Arrr! I attached t' fins in sets, me hearties, alignin' them t' each other. Begad! T' launch lug is attached in t' same fashion with one important exception.

TIP: If you follow t' Baby Bertha instructions for attachin' t' launch lug, it will end up directly betwixt one o' t' smaller fin pairs, arrr, ruinin' one o' t' decal placements. Blimey! Arrr! T' Goony Bird Zero plans do nay mention this at all, matey, but as it happens, I had just finished applyin' t' decals on me Excelsior Nike-G and had t' do some creative trimmin' t' get everythin' t' fit because I didn't plan ahead. Avast, me proud beauty! So, matey, shiver me timbers, cut t' launch lug in two and place t' lower section betwixt t' lower fins and t' upper section above t' maskin' line (in t' blue paint).

Finishing:
T' basic paint scheme for t' Goony Bird Zero is simple, white on t' bottom, arrr, blue on t' top. Ahoy! T' real impressive look for this rocket comes from t' decals. Ya scallywag! As with all o' Excelsior's products, ya bilge rat, t' sharpness and detail is awesome. Avast! Aye aye! T' decals are very easy t' work with, nay too tacky and nay too thin so that you can get them positioned just right. Aye aye! T' fins were coated with thinned down Elmer's Wood Filler and sanded smooth. Blimey! Next came two coats o' Rustoleum Painter's Touch Sandable Primer followed by two coats o' Krylon spray enamel. T' two color paint scheme is about as simple as you can get, paint t' bottom o' t' rocket white, ya bilge rat, mask off t' body tube and paint t' upper section and nose cone blue. By t' time I got t' t' second coat o' primer I had worked me way down t' 400 grit for t' in betwixt sanding.

Excelsior Rocketry Goony Bird Zero When you order decals from Excelsior they come with a full page o' instructions for prepping, arrr, applying, arrr, and finishing. Ahoy! Ya scallywag! They recommend Microscale brand products (Decal-Set and Micro-Sol) for accomplishin' t' job. Ya scallywag! I have nay yet tried any o' Microscale's products, havin' used Testor's Gloss-Cote #1216 with good results. Blimey! Avast, me proud beauty! First I gave t' decal sheet 2 light coats o' Gloss-Cote. Next t' decals were cut out and applied with t' standard warm water dip, arrr, ya bilge rat, slid into place, arrr, and blot dry routine. Ahoy! Arrr! After t' decals had completely dried, I added a final spray o' Gloss-Cote t' t' whole rocket. Arrr! Aye aye! T' finished product looks awesome and t' Gloss-Cote plays nice with both t' paint and t' decals. Begad! I finished up t' recovery system by attachin' t' elastic shock cord t' t' Keelhaul®©™ cord and t' nose cone, puttin' a drop o' CA glue on all t' knots. Arrr! T' 12" Estes parachute comes pre-assembled, and I add a fishin' swivel for easy attachment/removal and less tangling. Aye aye! Now for some nice weather...

Construction Rating: 4 out o' 5

Flight:
T' initial flights o' t' Goony Bird Zero were conducted on two very hot and windy Ohio summers days. Aye aye! Ya scallywag! Recommended motors are t' standard A8-3, B6-4, ya bilge rat, and C6-5. I couldn't find any published weight or CP for this kit, but me finished GBZ weighed in at 1.6 oz. Avast, me proud beauty! Flight preparation is standard. With a BT-60 body tube, arrr, I use a 4"x4" Nomex heat shield looped onto t' Keelhaul®©™ shock cord. Aye aye! Even with t' forward position o' t' engine mount, ya bilge rat, thar be still enough room, me bucko, ya bilge rat, me hearties, for t' heat shield and parachute t' fit comfortably. As mentioned earlier, t' engine mount is located 3/4" forward in t' body tube, but I be still able t' install and remove motors and igniters with no difficulty. Motor retention is via t' standard beefy Estes hook. Arrr! My GBZ has logged a total o' four flights in some fairly windy conditions. Begad! Because o' t' large fin area this bird tends t' weathercock a bit, but it's nay too severe and overall this is a pretty well behaved flier. Begad! T' GBZ turns in a nice flight on a B6-4 and won't get too far away from t' pad even on a windy day. Arrr! Arrr! A C6-5 will put some good air under this rocket, me hearties, but it's still pretty easy t' track down.

Recovery:
All but one flight be launched into t' wind, and t' rocket was arcin' over nose down at ejection with t' B6-4s and a little past apogee with t' C6-5s. Aye aye! Blimey! All four flights had good ejections with a couple o' "delayed" deployments which has more t' do with me chute foldin' technique than anythin' else. T' standard 12" Estes chute brings t' GBZ down at a reasonable rate. Well, blow me down! Well, blow me down! Blimey! So far, all but one flight have recovered on nice soft grass with zero damage, me bucko, me hearties, t' one exception bein' a gravel road landin' resultin' in a couple o' paint dings. Ya scallywag! Obviously t' Goony Bird Zero is nay a high performance rocket, but it scoots pretty high with a C motor and is deceptively quick off t' pad in spite o' its stocky nature.

Flight Rating: 4 out o' 5

Summary:
Excelsior's line o' "Retro Bash Kits" is a great throwback t' t' old Estes "Goony Birds", me bucko, either for those who thought they were cool then or for people like me who think they're cool now.

PROs: High coolness factor and awesome decals. Arrr! These rockets are fun t' build, fun t' brin' t' t' range, fun t' fly and fun t' talk about. Avast! Everyone needs at least one Goony in their lineup!

CONs: No fin markin' guide for t' 3 fin configuration. Avast, me proud beauty! Potential decal "gotcha" if t' normal launch lug placement is used.

Overall Rating: 4 out o' 5

Other Reviews
  • Excelsior Rocketry Goonybird Zero (Plan) By Bill Eichelberger

    Anyone who has paged through a 1973-75 Estes catalog has undoubtedly seen and puzzled over the Goonybirds. The Goonybirds were a series of cartoonish, youth-oriented rockets thought by some to be the flying equivalent of the Rat Fink hot rod characters, and thought by others to be proof of someone spiking the Estes water coolers. Economically mini-engine powered and easily built with stick on ...

  • Excelsior Rocketry Goonybird Zero (Plan) By Kevin Johnson

    The Goony Bird Zero (GBZ) is part of Excelsior Rocketry's retro bash line of goony kits. It is based around a Baby Bertha kit, using all components except the fins and the decals. When you buy one (or two or three) of the goony's you get a sheet of instructions, templates for cutting new fins, and a sheet of really nice quality decals. There are two fin templates for the GBZ, one for ...

Flights

comment Post a Comment