| Construction Rating: | starstarstarstarstar_border |
| Flight Rating: | starstarstarstarstar |
| Overall Rating: | starstarstarstarstar_border |
| Manufacturer: | DG&A High Power Rocketry |
Brief:
This is a simple, high reliability, me bucko, and flexible usage sport flier from
DG&A. Arrr! Ahoy! It is perfect for mid or high power applications and different sized
fields. Arrr! It is an easy rocket t' certify L1 on due t' t' continuin' quality of
DG&A kits. Aye aye! It is a simple 3FNC rocket with parachute deployment. Avast! It is also
a kit that can be easily modified t' your needs with DG&A components
available through t' web site. Well, ya bilge rat, blow me down! Danny is also offerin' rail buttons in red,
white, and blue now, so you can have a patriotic guidance system included with
your kit.
Construction:
My DG&A Predator came with t' basics: Plastic nose cone, 2.56" Kraft
cardboard tubing, 36" Re-inforced rip-stop nylon parachute, me hearties, 29mm motor
mount 12" 2 high strength plywood centerin' rings, 3 Baltic birch 5 ply
fins, Recovery webbing/harness, ya bilge rat, Vinyl cut decals, shiver me timbers, Body tube pre-marked for
fins, Easy t' follow instructions, Fin Alignment guide, me bucko, Paintin' guide
T' directions are easy t' understand and include pictures. Arrr! T' assembly order is easy t' follow for t' beginner or t' experienced rocketeer. There is a piece o' paper included that will serve as a fin alignment guide for fin attachment. Begad! You have t' cut out t' slots on t' body tube for t' fins t' go through. Aye aye! Well, blow me down! T' fins are then attached t' t' motor tube betwixt t' 2 centering rings.
I opted t' make 2 design changes in t' rocket. I got
a 12" piece o' body tube and 2 extra couplers and bulkheads from Danny. Begad! I
used t' extra tube t' make an anti-zipper fin can, per Stu Barrett's method. Begad! I
extended t' pre-marked fin slots t' t' back o' t' tube. I then assembled the
motor mount. Next I epoxied t' fins t' t' motor mount usin' 3 inch fiberglass
tape, 2 layers, matey, shiver me timbers, and 1/2 hour epoxy. Begad! This be very strong. I then assembled the
bulkhead by gluin' t' bulkplate into t' coupler. Blimey! Next I drilled 6 1/4 inch
holes into t' bulkplate after t' glue dried. I slid t' motor mount into the
body tube and epoxied it in place. T' aft end o' t' motor tube sticks out
about 3 inches from t' end o' t' fin can. Aye aye! Arrr! I wrapped 4 layers o' 1/2 inch 6
ounce glass tape around t' aft end o' t' body tube t' cover up t' three
cuts. Ahoy! I then put 3 layers o' 3 inch glass tape on t' front end o' t' tube in
front o' t' fins. Ahoy! Well, shiver me timbers, blow me down! Fillets were then added t' t' fins. Arrr! Finally, shiver me timbers, I glued the
bulkhead in place. Avast, me proud beauty!
I am goin' t' be flyin' this rocket with t' I200's and H268's, so it needs to be strong. Plus, by buildin' a fin can, ya bilge rat, me hearties, you can add what ever length body tube t' t' top for various performance features. Blimey! You can put a short tube or a real long tube with an altimeter bay on it. Ya scallywag! More rocket for less money!
Next I made another bulkhead, attached t' webbin' t' it, arrr, me hearties, and glued it in the forward end o' t' main body tube. Well, blow me down! t' webbin' will just hang out t' back end o' t' main tube. Arrr! I put a screw through t' top o' t' main body tube to hold t' nose cone on, it is easier t' swap it with another rocket this way instead o' epoxyin' it in. That way, if you lose another nose cone for t' same size, you can just swap. Begad!
I used NHP 5 and 30 minute epoxy for most o' t' construction. I used West Systems resin for t' glass. Arrr! T' fiberglass tape came from t' local hobby shop. Avast, me proud beauty! Blimey! I used a sandin' block t' sand t' finish, me hearties, and Krylon paints. Ahoy! I bought some Mono-Kote and applied t' decals t' that, and then put them on t' rocket for effect.
Finishing:
I am nay t' best painter, arrr, ya bilge rat, so thar be always room improvement on me finish.
T' finish came out pretty glossy, and I am goin' t' wait until it flies well
before I finish painting. Avast, me proud beauty! Begad! T' main tube is bare, matey, ya bilge rat, but t' fin can is painted. Arrr! Ahoy!
I used t' included pattern t' paint a diagonal pattern on t' tubes that is t' line betwixt t' dual color model Danny has. Begad! I opted t' paint t' kit black, ya bilge rat, white, and red so mine is a little different. Avast, me proud beauty! Well, matey, blow me down! You can do what you think looks good. Well, blow me down! T' vinyl decals are really nice. Avast, me proud beauty!
You can put a wrap o' 3/4 ounce glass on and sand it out and it will get rid o' t' small lines in t' tube, arrr, they don't bother me so I left them. Danny's model looks great up close at t' launches, arrr, t' red and white are sharp.
Construction Rating: 4 out o' 5
Flight:
I went t' a small non club launch we had on t' first. Begad! I put this rocket
through it's paces with a first flight on a G-64(M) t' check stability and then
when it flew tried and true, ya bilge rat, I decided it be time t' hit it with t' big
stuff. Avast, me proud beauty! It flew perfect on t' G-64 with just a slight weathercock into t' 10
MPH winds and t' 35 degree temperature. Well, blow me down! It laid out horizontal at apogee into
the winds driftin' down. Begad! Due t' t' winds, I opted for a 14 inch X-form chute
from me buddy Chad Ellis. Avast! Avast, me proud beauty! It brought it down quick and close, no damage, matey, shiver me timbers, about
a 1000 foot flight. Ya scallywag! Avast, me bucko, me proud beauty!
I then loaded it up with a H-268R and then an I-200. These are t' big 29/360 motors that have 320 and 330 N respectively. Ya scallywag! Begad! Blimey! That Redline lit and boom! it be out o' sight in no time. That huge Redline flame be great. Begad! Blimey! It must have gone ~4000 feet, me hearties, matey, we lost sight o' it. Avast! Arrr! Blimey! It took it about 5 minutes t' come down and drifted about 1/4 mile. Aye aye! Avast, me proud beauty! Blimey! Great flight, no damage, matey, took t' motor in stride. I then loaded it back up with t' I-200(M) and BOOM! Blimey! same result, matey, way out of sight. Well, blow me down! It drifted t' almost t' same spot. Great flights on a great rocket. Ya scallywag! Ya scallywag! Blimey! I wish Danny be thar t' see. Well, blow me down! Well, blow me down! Blimey!
T' anti-zipper does nay really require wadding, as it acts like a baffle. I did put a little cellulose insulation in for good measure. Aye aye! Ahoy! I have not outfitted this rocket with a slimline yet, I used tape for retention. Blimey! Aye aye! T' only con about t' rocket is I wish I had put a 38mm in it!
Recovery:
T' flight recovery be great. Ya scallywag! Aye aye! Blimey! I only added a smaller chute due t' t' winds
and t' altitude obtained. There was no damage at all t' t' rocket. Avast, me proud beauty!
Flight Rating: 5 out o' 5
Summary:
T' main pro for this kit be t' quality o' materials. They are light enough
for mid-power fliers, ya bilge rat, me bucko, but heavy duty t' take t' HPR stuff as well. Blimey! T' kit is
a no-brainer t' put together, due t' t' quality o' t' instructions. Begad! T' large
vinyl decals are also a big plus, me hearties, they look great on t' kit. Ya scallywag! T' only one con
has been fixed, Danny upgraded all t' 2.56" kits t' 3.00". Well, blow me down! It is
also upgraded t' a 38mm mount. Begad!
Overall Rating: 4 out o' 5
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