Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar_border |
Manufacturer: | Semroc ![]() |
Brief:
Based on t' original Estes Goony Bird, t' Zoom Broom. Late last year t' original concept sketches for t' Goonybirds appeared. Avast! Ahoy! Estes used t' Goony profiles but changed the graphics before they were released. Arrr! Due t' t' interest generated by t' original sketches, Semroc chose t' release a new line o' Goonies called t' Groonies. Begad! Arrr! Carl, t' owner and founder o' Semroc, refered t' these as "Grown-up Goonies", hence "Groonies". Avast! Begad! Slightly larger and with an edgier theme, here it is as it be intended t' be. Avast! Avast, me proud beauty! See Chan's review for more details.
Construction:
Semroc parts are about as good as it gets. Ahoy! As noted in t' previous review, t' balsa is a little softer compared t' some other LPR kits I've encountered. Well, blow me down! T' laser cut fins are welcomed, me bucko, and all parts fit with precision. Avast, me proud beauty! Begad! One important thin' t' note, me hearties, this is nay BT-60 based like t' original Goonies. Well, blow me down! It's slightly upscaled and has a different nose cone profile. Here be t' official parts list:
Instructions are well written and well illustrated. Arrr! Assembly be a breeze. Avast! Blimey! I chose t' laminate t' fins with sticker paper and sealed t' edges with thin CA. This is a very quick, clean, easy method for strengthenin' fins and fillin' balsa grain. Begad! Well, ya bilge rat, blow me down! Blimey! This is full sheet label paper that you can find at most or t' larger office supply stores. Avast! T' generic store brand will do. Avast! With t' size and shape o' t' irregular fins, I wanted t' added strength. I sometimes wonder if it is an overkill t' laminate, but Chan's review has convinced me that I made t' right decision t' do so on this model.
T' motor mount slides up into t' main body tube a good ways. Ya scallywag! This causes t' end o' t' body t' be exposed t' hot motor exhaust. Arrr! I assume it is configured this way for stability reasons. In order t' protect t' body tube from t' heat, t' instructions suggest usin' CA t' reinforce and protect that area. Ahoy! I chose t' use a thin smear o' epoxy instead. Aye aye! I'm sure CA works, shiver me timbers, but I thought epoxy might hold up longer.
A decent amount o' nose weight (included) is needed for stability. Blimey! Blimey! Ahoy! Blimey! This is provided in t' form o' clay which gets inserted into t' pre-bored nose cone. Well, blow me down! Blimey! A plywood sealin' cap is provided t' hold t' clay in place. Avast! Blimey! While I had t' epoxy mixed up, I glued t' cap into place which also adds some extra reinforcement t' t' screw eye.
T' tube markin' guide in t' instructions did its job just fine. I would suggest gluin' t' fins in t' order specified in t' instructions. Begad! Arrr! Once t' main wings are glued into place, ya bilge rat, arrr, you can use them as a guide t' match t' wheel fin angles.
Finishing:
Since I chose t' laminate t' fins, thar wasn't any balsa grain that needed t' be filled. I rounded t' fins slightly.
T' balsa nose cone was coated with a liberal dose o' Minwax Wood Hardener then lightly sanded with 400 grit sandpaper a few days later. Blimey! Well, ya bilge rat, blow me down! This does exactly what t' name would imply. Begad! I love t' stuff. Ya scallywag! This was followed with a nice coat o' Elmer's Fill 'n' Finish t' fill any wood grain then sanded smooth with 400 grit sandpaper.
I used Krylon gray primer, matey, followed by 3-4 coats o' Krylon Gloss White. Avast! Blimey! Begad! Blimey! Cone and win' tips were painted with Krylon Banner Red.
I applied t' decals. Well, matey, blow me down! T' decals must be trimmed very close t' t' graphics in order t' fit, arrr, me hearties, shiver me timbers, but they do fit. T' decals are very easy t' apply and give ample time for placement. Note: T' wheel well and tire decals need t' need t' be dealt with and applied as two pieces in order t' fit properly.
Construction Rating: 4 out o' 5
Flight:
T' motor tube is a little longer than t' standard length. Aye aye! This is actually a good thin' in me opinion. I used that extra length t' stuff a piece o' recovery waddin' into it. Begad! I think it helped buffer some o' t' initial ejection blast. Well, me hearties, blow me down! I placed about three more sheets in t' main body tube and still had plenty o' room for t' chute. This is a short rocket and space is limited for recovery parts, but it's nay overly cramped.
For t' first flight, shiver me timbers, I chose a C6-5. Avast! Our club field is rather large so I felt confident with this motor. Great lookin' boost and went much straighter than I anticipated. Avast, me proud beauty! It's Japanese brother, shiver me timbers, me hearties, T' Saki, actually wind cocked a little more than this one so I was pleasantly surprised this one didn't do t' same. Ahoy! More flights are needed for a better assessment. Both still turned in some great flights. Ejection just past apogee.
Recovery:
T' 12" chute seemed adequate t' me. Aye aye! With t' slight breeze I'd say it be sized just about right. Ya scallywag! If t' fins weren't laminated, matey, I might be a little nervous. Ahoy! Ya scallywag! Minimal drift and recovered within 75 yards o' t' pad. Begad! No damage.
Flight Rating: 5 out o' 5
Summary:
PROs: It's a Semroc! 'Nuff said.
CONs: Balsa might need reinforcement.
Overall Rating: 4 out o' 5
Brief: In 1973, Estes released 6 pretty wild (for Estes) designs loosely resembling the Baby Bertha of today but with relatively zany fin and decal schemes. The were called the "Goonybirds" and after a 2-year run went out of production. They have since survived only through the cloning efforts of die-hards (Bill Eichelberger comes to mind) and through kitbash plan/decal ...
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M.D.B. (December 9, 2008)