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