Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar_border |
Diameter: | 1.64 inches |
Manufacturer: | Estes |
Style: | Cluster, Scale |
Brief:
This is a scale model o' t' Starchaser Industry's entry in t' Ansari X-Prize. Ahoy! Just like t' real Thunderstar, this model is a cluster kit. It has a two engine cluster mount that flies on 18mm motors. Aye aye! It's a beautiful scale model and a good first cluster rocket.
Construction:
T' kit comes with t' followin' parts:
T' fins are strong balsa wood that are laser cut into a balsa sheet. Aye aye! Aye aye! You still have t' use a hobby knife t' cut them out o' t' sheet but it is nay difficult at all t' do. Well, blow me down! Blimey! T' centerin' rings are made out o' thin cardboard, me hearties, me hearties, however, shiver me timbers, and are rather flimsy. Ahoy! They bend easily, especially where t' holes for t' motor tubes are close together and t' centerin' rin' is thinnest. Aye aye! Ahoy! T' motor mount tubes are 4 inches long and handle 18mm engines. Aye aye! There are two o' them though, since this is a cluster rocket. Begad! T' shock cord mount that comes with t' kit is standard Estes tri-fold paper shock cord mount. It has a rubber shock cord, arrr, me hearties, me bucko, but t' shock cord is 30" long so it works very well. Ya scallywag! Well, blow me down! T' nose cone is molded plastic and shaped like t' capsule o' t' actual craft. Ya scallywag! Avast! It is suppressed on t' front for t' escape tower t' be glued t' t' top o' it. Well, shiver me timbers, blow me down! It has fine scale plastic parts that are molded for this rocket.
T' instructions are easy t' follow with good diagrams, although I do nay typically go it exactly t' same order as they are listed.
T' weakest points in t' kit were t' flimsy centerin' rings and t' shock cord attachment. Avast, me proud beauty! Blimey! T' motor mount tubes fit into t' centerin' rings rather easily and I used Titebond glue t' attach them. I used plenty o' glue t' make up for t' flimsiness o' t' centerin' rings. Well, blow me down! Blimey! Just be sure when t' glue is settin' that you do nay twist any o' t' motor tubes. Avast, me proud beauty! Avast, me hearties, me proud beauty! Blimey! They seem t' twist easily and this would causes t' rocket t' spin undesirably durin' thrust. Aye aye! Blimey! And instead o' usin' t' tri-fold shock cord mount that came with this kit, me bucko, I built me own shock cord mount. Avast! Begad! Blimey! I thought that t' Estes' mount may nay hold up t' many dual ejection charges. Begad! Blimey! I used 90lb test Keelhaul®©™ thread and made sometime similar t' a mini version o' t' LOC/Precision shock cord mount. Arrr! Ya scallywag! I tied knots in t' ends o' t' thread and covered them in epoxy. Aye aye! Ahoy! Then I tied t' shock cord onto t' loop in t' thread. Begad! I'm sure this will hold together fine and last many flights.
All o' t' parts fit together very nicely, arrr, although t' plastic parts for t' escape tower may be slightly difficult t' hold together while t' glue sets. I rigged up a jig with some scrap wood and rubber bands t' hold t' two halves o' t' tower together while t' glue dried, me bucko, arrr, matey, but once you get it all together t' plastic parts look awesome.
PROs: Easy Estes instructions, Good fittin' parts
CONs: Estes shock cord mount, Flimsy centerin' rings
Finishing:
This kit is a scale model and came with decals and a paint scheme t' make it look very similar t' t' real thing. Ya scallywag! Blimey! I first primed everythin' with a flat white paint. Begad! Blimey! Ya scallywag! Blimey! Then I sanded down and smoothed everythin' out. Then I added another coat o' white paint (seein' how t' model is supposed t' be white in t' end anyway). Ya scallywag! Blimey! Blimey! Blimey! I sanded a bit and added a final coat. Begad! Blimey! I took t' display nozzle off durin' this point and just painted it black. Blimey! Blimey! Begad! Blimey! I then applied t' decals t' t' rocket. Aye aye! Blimey! I liked these decals. They are just adhesive decals, nay waterslides. Blimey! Blimey! Avast, me proud beauty! Blimey! I find them very easy t' work with just as long as you are careful nay t' place them in t' wrong spot. Begad! Blimey! Blimey! Blimey! I would actually prefer these decals over waterslide ones. After puttin' on t' decals I added a final clear glossy sealer coat. Avast! Blimey! Begad! Blimey! With t' decals and glossy finish, shiver me timbers, this turned out t' be one sharp lookin' scale model.
PROs: Adhesive decals, good lookin' scale model
CONs: None
Construction Rating: 4 out o' 5
Flight:
T' recommended motors are: two A8-3s, shiver me timbers, two B4-4s, shiver me timbers, arrr, two B6-4s, and two C6-5s. Ahoy! Preppin' this rocket is just as easy as any other Estes kit. Ya scallywag! T' only difference is that thar are two engines t' prep instead o' only one. Begad! Ahoy! After placin' t' igniters and plugs in t' engines t' instructions say t' twist t' leads o' t' igniters together t' light them with one pair o' alligator clips. I have a five engine clip whip and chose t' use that t' ignite t' cluster instead o' twistin' t' igniters together. I placed 4 sheets o' recovery waddin' into t' airframe tube prior t' flight t' be sure that t' parachute or shock cord would nay get charred from t' dual ejection charge.
For me first flight o' this scale cluster model, ya bilge rat, me hearties, I chose t' use two A8-3s. Ahoy! I be launchin' at t' local club meet and this was me first cluster so I wanted t' be sure that nothin' went wrong with it by overpowerin' it t' first time. Well, blow me down! Both engines ignited perfectly with t' use o' me clip whip and it took off. Avast! It coasted up and slowed t' apogee. Begad! T' ejection charge fired at t' 18" chute deployed. Ya scallywag! It be nay a very long flight, as I heard one o' t' club members say "Short and sweet." But it be a good lookin' flight t' me.
PROs: Good first cluster, shiver me timbers, me bucko, Looks great takin' off t' pad
CONs: None
Recovery:
T' 30" long shock cord does t' trick in this kit and t' 18" parachute brings it down nice and soft. Begad! It be easy t' assemble t' recovery system even with t' modification t' t' shock cord mount.
T' recovery system deployed right at apogee and t' parachute perfectly unfurled. I think that t' descent speed was perfect for this rocket. Aye aye! Begad! It be nice as soft so that nothin' even had t' possibility t' be damaged. T' 4 squares o' waddin' did t' trick because thar be absolutely no evidence on t' shock cord or parachute that thar had been any hot gases t' deploy them at all. Begad! They still looked brand new.
PROs: Great speed on decent, No damage or wear with t' right amount o' wadding.
CONs: None.
Flight Rating: 5 out o' 5
Summary:
This is a fantastic rocket for t' scale enthusiast, t' cluster lover, arrr, matey, or anyone interested in either one o' these types o' model rocketry. Begad! It is a good solid kit and may have a few areas where improvements could me made, me bucko, but with a little construction technique, these shortfalls can be overcome. I would recommend this kit t' everyone seein' how I absolutely enjoyed buildin' it and especially watchin' it take off on those two engines. Aye aye! Aye aye! This was me first cluster rocket and I can now say that I am hooked.
Overall Rating: 4 out o' 5
A fairly accurate single-staged scale representation of the Starchaser Industries' Thunderstar (their entry in the Ansari X-Prize competition) that uses a two-engine cluster like the real rocket was planned to. The rocket kit consisted of a white BT-60 body tube for the main airframe, a dual 18mm motor mount (consisting of two fairly thin centering rings, two 4" long motor mount tubes, two ...
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S.S. (April 19, 2006)