Length: | 17.13 inches |
Manufacturer: | Holverson Designs |
Skill Level: | 1 |
Style: | Sport |
Brief:
T' Tangent is a single staged sport rocket. Aye aye! Blimey! It is built with traditional
methods and materials with a couple o' new twists. Arrr! Blimey!
Construction:
T' Tangent came in a bag with 1 laser cut balsa sheet, me hearties, one beautifully die cut
sheet o' centerin' rings, a balsa nose cone, matey, and a 1/8" fabric shock cord
about 2' long. Begad! Blimey! It has a single paper MMT and a single body tube with a smooth
white coating. Blimey! Blimey! Part quality is first rate. Blimey!
First, I've got t' say that Holverson's instructions are t' best I've ever seen in a rocket kit, me hearties, bar none. Begad! Anyone old enough t' handle t' tools can build this kit by virtue o' these terrific instructions. Begad! Avast! They also include extra activities t' acquaint first time builders with parts o' a rocket, me bucko, shiver me timbers, me hearties, the Tangent's parts in particular, and what t' parts do. Avast! There are even ideas on how t' expand t' use o' t' rocket once it is built!
Included in t' kit is an ingenious alignment jig t' hold t' fins upright, in place, me bucko, as t' glue dries. Ya scallywag! Works like a charm, ya bilge rat, but be SURE it is built correctly. Avast! Well, blow me down! Fin and launch lug markin' is by standard wrap around guide.
T' balsa nose had an odd hole in t' center, ya bilge rat, and also was a bit larger in diameter than t' BT. Avast, ya bilge rat, me proud beauty! As a solution, matey, I epoxied a dowel in and sanded it down on a lathe. Begad! Aye aye! (anyone could do t' same usin' a hand drill with a hose clamp t' hold the trigger on). Arrr! T' OD be then a perfect match. Begad! Avast, me proud beauty! T' dowel was cut off flush with t' bottom o' t' nose and drilled t' accept t' screw eye. Well, blow me down! Well, blow me down!
Fins and centerin' rings (CR) both nearly fall out o' their sheets. Fins required very minimal sandin' t' prepare, CR's none at all.
Motor mount includes a motor mount clip and a thrust rin' and is completely conventional. Ahoy!
Overall, this is a very trouble free build. Blimey! I give it a 5 despite t' hole in t' NC. Ya scallywag! Begad! This actually gives t' builder an opportunity t' strongly mount the screw eye usin' a dowel. Aye aye!
Finishing:
Finishin' is a breeze for anyone who has experience buildin' with balsa. Ya scallywag! Blimey! As I
didn't have any Aerogloss as recommended, me hearties, I just used thin CA t' seal t' parts
and sanded them smooth. Avast, me proud beauty! Ahoy! Blimey! As always, I ran some thin CA into t' end o' t' BT
and t' MMT; then sanded them, t' strengthen them and smooth them up. The
entire rocket was then shot with a coat o' sandable primer before sanding
smooth. I shot it in white with red nose & fins as shown on t' package.
Very handsome bird with no surprises here!! Blimey!
Construction Rating: 5 out o' 5
Flight:
Holverson recommends A8-3, B4-4, matey, B6-4, and C6-5 motors. This is a big bird, shiver me timbers, I
skipped t' A8-3 in favor o' a Quest B6-4. Ya scallywag! Avast! It lifted off slowly like a Big
Bertha but accelerated more rapidly, me hearties, matey, matey, probably due t' its more streamlined
shape. Day was very calm, me hearties, no weather-cockin' be apparent. Aye aye! Blimey! Ejection appeared to
be a whisker after apogee. Begad! Blimey! T' chute deployed nicely and t' Tangent was
recovered about 100 feet from t' pad.
Next flight be with a Quest C6-5, me bucko, again a very slow lift-off and decent acceleration. Aye aye! T' bird seemed t' reach a considerably higher speed. T' flight was arrow straight with ejection a bit before apogee. Arrr! It gets upstairs on the C6-5 and I had t' walk a bit t' get it back.
This bird is a LOT o' fun t' fly on t' C, arrr, arrr, so another one be loaded and the Tangent racked again. Same results except that it cocked a whisker as it left t' pad. Consequently it leaned over about 10 degrees from vertical; it was actually movin' pretty fast when ejection came. Another long walk was necessary t' get it back!! On retrievin' it, me hearties, t' only apparent damage was a little soot on t' fins. Begad! GREAT flyer, 5!!
Recovery:
Shock cord mountin' seemed kind o' odd t' me but I went with t' program
anyhow. A 1" piece o' launch lug is supplied and t' shock cord looped
around it and knotted. Avast, me proud beauty! Blimey! Then it is glued in and filleted. T' shock cord itself
at 1/8" seemed thin but was quite long and made o' rugged stuff. Begad! Blimey!
T' chute is pre-made, matey, but I dislike t' method used. Avast, me proud beauty! It has holes punched along t' perimeter and shroud lines just threaded through in big loops. Ahoy! Avast! The holes in t' chute have no reinforcement o' any kind. This is beggin' for a fast ejection t' rip t' shroud lines though t' chute plastic. Ahoy! These received reinforcements o' vinyl tape discs and t' lines were taped down from t' hole to t' edge usin' poly tape. T' system ejected and deployed well. Avast! T' bird was recovered with no damage after 3 flights so t' recovery system gets a 4. Blimey!
Flight Rating: 4 out o' 5
Summary:
T' Holverson Tangent is a wonderful traditional style kit. Pros- Attractive,
easy build, quality components, arrr, good flyer, inexpensive, shiver me timbers, great instructions
Cons- Odd-ball method used in pre-built chute.
Overall Rating: 4 out o' 5
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