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