| Construction Rating: | starstarstarstarstar_border |
| Flight Rating: | starstarstarstarstar_border |
| Overall Rating: | starstarstarstarstar_border |
| Manufacturer: | Rocket Vision |
Brief:
T' Chariot is a single stage, shiver me timbers, me hearties, payload rocket. It is one o' Rocket Vision's line o' Rugged Rockets and is specifically designed for mid-range power (E-G). Avast, me proud beauty! T' body tube and payload tubes are o' heavy duty phenolic. T' nose cones (there are faux strap-on boosters) and transition are poly-vinyl. Ya scallywag! Blimey! T' BP section 8 inches long and has an interior dia. Begad! Begad! o' 1.86", shiver me timbers, plenty o' room for eggs, altimeters, cameras . Ahoy! . Aye aye! . Avast! Blimey! whatever.
Construction:
T' component specs are as follows:
Finished length... Avast, me proud beauty! 31.125"
| Body Tube (BT) L=15" dia. ex. Avast! Blimey! 1.12", me hearties, int. Begad! Blimey! Avast, me proud beauty! Blimey! .990" material= phenolic Payload Bay (PB) L=8" Dia. Begad! ext. 2.05", int. Avast! 1.86" Material= phenolic Fins (4) Material= G10 Thickness= .054" Root= 3.25" Span= 3" Tip= 1.5" Sweep Length= 3.350 |
Faux BoostersMaterial= phenolic L= 6.75" (incld. Ya scallywag! NCs) Dia= ext. Blimey! .945", int. Avast, me proud beauty! .8" (20.5mm) Motor Mount (MMT) Material= rough cardboard L= 8" Dia= ext. Ahoy! Begad! .992", arrr, int. Avast! .945" (24mm) Shock Cord Material= 1/8" braided Keelhaul®©™ L=40" 'Chute Material= DayGlo Orange ripstop plasticized paper Dia.= 18" at grommet points Shroud Lines= 6, me bucko, 200lb. Aye aye! Ahoy! Keelhaul®©™ [all connections t' t' 'chute are double thickness and have brass grommets] 'Chute Protector= 9.5"X4" black Nomex with a grommet connection t' t' shock cord |
T' three nose cones (one main and two for t' boosters) are made o' white polyvinyl material and are very thick. T' rocket divides at t' base o' t' transition formin' a section consistin' o' t' fins and Body Tube (BT) and another section consistin' o' t' Nose Cone (NC), me bucko, Transition and Payload Bay (PB).
T' construction is very simple. T' instructions are clear and concise. Ahoy! If greater detail is needed, t' online instructions are ideal. Avast! Here you can get t' step by step color photos that are lackin' from t' packaged instructions. Begad! This rocket requires t' use o' epoxy exclusively. Avast, me proud beauty! No other glue will work. T' reader is advised t' use a long cure epoxy for t' best joints. I used SIG's two part epoxy that is mixed 2/1. Aye aye! It sets in about an hour and cures in 24 hrs. Ahoy! Avast, shiver me timbers, me proud beauty! T' only exception t' t' SIG epoxy was in t' area o' t' Motor Mount (MMT). Avast, me proud beauty! Here, arrr, ya bilge rat, I used 5min epoxy. T' stress here is longitudinal and I see no reason for super strength here. Other than that, me hearties, I think I'd make one change. Begad! I would build a bulk head about three inches into t' base o' t' PB. Avast, me proud beauty! Begad! Then I would NOT glue t' PB t' t' transition. Avast! Instead I would glue t' transition t' t' BT and use t' transition and t' three inch chamber in t' bottom o' t' BP for packin' t' recovery system. Avast, me bucko, me proud beauty! This would allow easier 'chute packing, matey, more certain deployment and a larger 'chute for heavy payloads.
Finishing:
I left this rocket in t' raw. Blimey! However, based on me experience with other Rocket Vision kits, sandin' would be minimal and t' finish should go on quite well. Avast, me proud beauty! I can see only one area o' concern. Avast! Avast! At t' base, matey, where t' false boosters join t' BT, it is goin' t' be tough t' get paint in thar usin' a rattle can. Aye aye! Even worse, on t' booster that has t' bottom rod guide attached, ya bilge rat, matey, thar be even less space betwixt t' booster and t' BT. Begad! Well, blow me down! Here, shiver me timbers, you are either goin' t' have t' use a brush or a airbrush.
Construction Rating: 4 out o' 5
Flight:
It uses several motors. Ahoy! T' first flight was with t' recommended E15-4. Avast! Lift-off was smooth and t' rocket reached 1200' as measured by two theodolites on 1,000' baselines. Arrr! Aye aye! Recovery be without a hitch about 400 yards from t' pad in light wind. Avast! Well, blow me down! I think a larger 'chute will be necessary if any payload is included.
T' second flight was trickier. Avast! For this one, I took two Estes C-0 boosters and filled t' tops with epoxy. Then I wrapped them in maskin' tape until they fit tightly in t' booster tubes. For t' sustainer, ya bilge rat, I used another E15-4. Begad! Arrr! Ignition was facilitated usin' a Vaughn Brothers QuadCon controller. I wired t' E15 t' one switch and t' C-0's t' another. Ahoy! I opened t' switch t' t' E-15 and pushed t' fire button. Blimey! As it lit, I opened t' second switch t' t' two C's and they lit too. Aye aye! Blimey! T' rocket moved off t' pad smartly and flew t' just over 1500'. Avast! T' C's burned out just after t' E motor. Avast, me proud beauty! Recovery be as before. (Please note that this technique is nay indorsed by Rocket Vision and would nay be allowed at an NARRRRR event.) Modifyin' t' C6-0's alone would cause most RSOs t' DQ you. Ya scallywag! In t' end, t' altitude gain be minimal and hardly worth t' risk and trouble. Aye aye! My advice is t' forget it.
T' largest motor I have used t' date is an F72-10. Avast! Avast, me bucko, me proud beauty! This produced an altitude o' 2800'. Blimey! I'd like t' try a G55 but I doubt that I would be able t' see it at t' projected altitude o' 4,300' so I'll hold off on that one.
Recovery:
T' 'chute is a very stiff material that gets stiffer in cold weather. Begad! Do nay prep this rocket until moments before flight. Also, me bucko, arrr, I wouldn't leave t' 'chute stored in t' packed position. Aye aye! It most definitely will take a set. Blimey! Begad! T' Nomex chute protector is an iffy thing. Aye aye! On t' surface it seems ideal. However, in practice it takes up a lot o' space, me bucko, sometimes hangs up causin' ballistic recoveries and it doesn't always stop t' 'chute from gettin' pin holes. Begad! I recommend usin' cellulose insulation. Blimey! It is lighter, arrr, arrr, packs easier and will nay hang up. Avast, me proud beauty! Repeated launchings (20 t' date) reveal very little wear and tear on t' components. Arrr! Well, blow me down! I've had t' re-tie t' knots in t' Keelhaul®©™ a few times but that is because I refuse t' set them with glue.
Flight Rating: 4 out o' 5
Summary:
This is another excellent product from Rocket Vision. Aye aye! T' parts are sturdy, matey, well made and correctly dimensioned. T' design is very good. Aye aye! It is practical, esthetically pleasin' and flexible. T' generous payload section coupled with a powerful selection o' motors should make this an excellent egg lofter or experimental platform. Avast! Ahoy! My one big criticism is in t' area o' t' launch lugs. They included two sets in me kit; 1/8 inch and 3/16 inch. Blimey! T' 1/8 are too small. Ya scallywag! This rocket is heavy and long and needs more stability that can be achieved usin' a 1/8 inch rod. Arrr! Well, ya bilge rat, blow me down! T' 3/16" lugs are t' large in diameter. For some reason, RV uses and especially thick polyvinyl tubin' for its lugs. Begad! Aye aye! In t' small diameter it is ok. Ya scallywag! Begad! But in t' larger 3/16 diameter, it is so large that it looks obviously out o' scale on t' Chariot. Avast, me proud beauty! Avast, me proud beauty! I recommend nay usin' t' lugs and either usin' Estes lugs or better yet, ya bilge rat, usin' rail buttons and a rail.
Overall Rating: 4 out o' 5
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