Manufacturer: | Scratch |
Brief:
For some time now, arrr, I have been a customer
of a newer manufacturer, FlisKits, Inc, ya bilge rat, and have written a few reviews for EMRR
on some o' t' models this company markets. T' Deuces Wild! is by far one of
my favorite kits from this manufacturer and t' canted cluster 18mm model is a
great flier! However, when Jim Flis approached me and asked about an HPR
version o' t' Deuce, I just couldnt resist. Blimey! I began designs
in different scales and settled on a 4-inch diameter, shiver me timbers, matey, 38mm version for my
upscale which I appropriately named Deuces Wild 38 Special.
Construction:
My model wound up bein' 49.5-inches in height and I used PML 3.9-inch Quantum
tubin' for t' bodytube and 38mm phenolic for t' motor mounts. T' dimensions
for t' upscale proved that these sizes would be very close t' t' correct
dimensions. Ya scallywag! Aye aye! Blimey! Custom 1/2-inch thick ply Centerin' rings were made for t' motor
mount; deployment section and bulkheads were made for t' bodytubes and
1/4-inch ply be used for fins. Ahoy! Aye aye! Blimey! Stainless steel hardware was used throughout
the model and I opted for PMLs CPR-Max unit for t' dual deploy. Finally,
I had me good friend Gordon Agnello from Michigan turn a custom nosecone for
me, shiver me timbers, me hearties, which he made from solid poplar. Parachutes, shock cords, Keelhaul®©™®
and other extras I already had on hand, so it be time t' start building.
I began by cuttin' two motor mounts t' a length long enough for a three-grain Cesaroni motor. Blimey! Ya scallywag! Custom CRs were next and cut from 9-ply 1/2-inch Birch. Aye aye! They are near exact upscales o' t' fiber CRs shape, as supplied in t' originals kit. Arrr! T' angle on each motor mount be 10 degrees and for additional support, me bucko, I made t' triangle piece from 1/4-inch ply for support o' t' mounts, arrr, another copy from t' original. Blimey! Since this assembly would require portin' for ejection gases, I built a guide tube from 2.1-inch phenolic t' port motor ejection gasses t' t' lower bodytube section. T' top of this assembly was capped with a stainless steel u-bolt for t' shock cord. Moreover, me bucko, 1/2-inch diameter holes were drilled on two sides o' each rin' and I used 1/2-inch oak wood dowels t' hold t' whole assembly together.. Ya scallywag! This allowed me t' adjust and reposition t' CRs t' me likin' for final assembly. Arrr!
I purchased some 1/4-inch Birch Ply sheets
from t' local hobby shop and cut out four fins from t' pattern I had
upscaled. Ya scallywag! Arrr! T' fins had an extended root on them since this would be built with
thru-the-wall mounting. Blimey! Each fin be fitted t' t' motor mount assembly, matey, which
was designed so t' bottom and top CRs sandwiched t' fins
for additional strength. T' entire assembly be epoxied together usin' West
Systems Epoxy and then set aside t' dry. Ya scallywag! Next, matey, I spent time cuttin' each body
tube t' length. Blimey! I slotted t' bottom BT and cut out t' area for each motor
mount usin' a pattern I made from upscaled dimensions. Avast! Blimey! Two separate upper
bodytubes were cut; one would be used for dual deploy and one would act as a
payload tube for single motor ejection deployment. Ya scallywag! This versatility allowed the
model t' have a broader range o' motors available t' her and still keep the
altitude respectable.
A deployment unit was made from two
1/2-inch thick CRs I made, along with a piece o' 38mm tubin' and a
3.9-inch phenolic coupler. Ahoy! I had tons o' PML CPR altimeter mounts
which I use for other rockets and wanted t' use t' same, shiver me timbers, test proven
deployment for this model, shiver me timbers, so I decided t' go with t' CPR-Max unit. Avast! It was
glued t' one end o' t' 38mm tube and provided very simple way t' secure and
seal t' altimeter in t' bay. Avast! Avast! Note that me deployment unit resides inside the
coupler for t' upper bodytube. Well, blow me down! Arrr! As a side note, I really like this CPR-Max unit
and will probably use it quite a bit in t' future for other large projects;
its a very nice piece o' hardware and inexpensive t' boot!
A 5/16-inch eye-bolt was installed in the
nosecone and a stainless steel U-bolt was used t' connect t' shock cord for
the upper section. Begad! Avast! This U-bolt was mounted t' t' top CR o' t' altimeter bay,
while two more eye-bolts were used on t' bottom. Arrr! When assembled, t' lower
section contains t' drogue chute, while t' upper section o' BT contains the
main chute, nosecone chute and nosecone. I decided on two separate parachutes
for t' upper section, as t' nosecone was made from solid Poplar and weighed
in at over 2.5 lbs. With heavier nosecones, me hearties, arrr, I always let them come down under
their own parachute and this helps prevent zipperin' o' t' upper bodytube.
After t' upper sections and hardware were assembled, shiver me timbers, me hearties, t' lower fin can was installed in t' lower bodytube. Begad! Begad! I used finishin' nails t' tack t' BT t' the fin support planks and bottom CR. Also, Epoxy Putty was used t' fill any small gaps around t' area where t' motor mounts exited t' bodytube. Well, blow me down! T' lower area was sanded and 6 ounce glass cloth was used t' fiberglass t' fin area and motors mounts for additional strength. Avast! Additionally, I coated t' entire nosecone in epoxy t' help prevent shrinkage and cracking.
T' fin area was sanded and blended
together, me bucko, and then t' entire model was fine sanded with 400 grit sandpaper. Begad! Blimey! I
added a few coats o' White Krylon Primer, me hearties, ya bilge rat, then wet-sanded with 220 grit. Ya scallywag! Well, blow me down! Blimey! This
was followed by a few coats o' Gray Krylon Primer; once dried, I used filler
for any small areas. Ya scallywag! T' model was wet sanded again with 320 grit, then a final
set o' three coats o' White Primer were added for t' base-coat. A couple days
were given for t' primer t' dry, ya bilge rat, then it be fine sanded with 400 grit and
tack ragged prior t' painting.
I used Krylon Sky Blue (medium blue) and Yellow Glossy for t' colors, me bucko, shiver me timbers, as I wanted t' follow t' paint scheme for t' original on t' Deuces Wild! package. Three coats o' blue were applied t' both upper body tubes and t' nosecone and left t' dry. Ahoy! Aye aye! I cut a small hole in t' dual-deploy upper BT and installed a power switch for t' altimeter. Arrr! T' lower section be done entirely in yellow, followed by a couple days o' drying, arrr, some maskin' and two coats o' Krylon Blue. I took me time t' mask as I wanted t' finish t' turn out well. Begad! T' final assembly resulted in a model weighin' 8.5lbs empty and very closely resemblin' t' original Deuces Wild! model.
Flight:
I had planned on flyin' t' Deuces Wild 38 Special at a
launch in Whitakers, arrr, but weather and lack o' time prevented this from
happening. As a backup date, arrr, matey, I took t' Deuce t' NSL 2003 in Clark Summit, ya bilge rat, PA.
Jim Flis and I had a featured event where he launched a MMX, arrr, 13mm, 18mm and
24mm version o' t' Deuce and I launched t' 38mm version, ya bilge rat, all in
succession.. Avast, me proud beauty!
I began by preparin' t' model. Begad! Blimey! Well, blow me down! Blimey! The
altimeter be assembled and installed in t' rocket, then t' lower shock cords
and drogue chute were installed. Blimey! Blimey! T' two sections were joined and I began by
packin' t' upper shock cord, shiver me timbers, 60-inch PML main parachute, 30-inch PML nosecone
chute, shiver me timbers, me bucko, nosecone shock cord and nosecone. Avast, me proud beauty! Blimey! Arrr! Blimey! It was a tight fit but all went
together. Begad! Blimey! Begad! Blimey! A few pieces o' maskin' were added t' t' nosecone and coupler to
adjust fit, arrr, ya bilge rat, then I turned t' t' power plant.
T' plan was t' use two Cesaroni Pro38 3-grain I212 Smokey Sam motors for power. Avast, me proud beauty! Blimey! Both o' these were assembled, shiver me timbers, but I dumped out t' BP ejection from one motor and used t' DAT tool t' cut t' ejection o' t' other motor t' 12 seconds. Begad! Blimey! They were then installed in each motor mount and capped usin' Aeropack retainers. Ahoy! I filled out t' flight card and headed t' t' RSO table t' check in the big Deuce. T' model caught t' eye o' t' RSO; somethin' about bright colors and two big motor mounts cantin' out o' t' bottom. I almost fell over when he announced it weighed in at a whoppin' 13lbs 5oz!!! Blimey! At this weight, I changed me guesstimate altitude t' around 1400 feet.
I had t' borrow a rail from one o' me friends at t' launch and we set up on a K pad, far away from t' crowd. I wanted it have some safety factor built in case thar were problems with motor ignition. Aye aye! This be one of the reasons I chose Pro38 motors as they light very fast and use low power e-matches which would nay overtax any launch system. Begad! T' Deuces Wild 38 Special be placed on t' pad, arrr, t' altimeter was turned on and I installed the two igniters. Now came t' wait
When it came time, each o' t' FlisKits models were launched in succession, followed by t' big Deuce. When t' countdown came thoughnothing. Well, blow me down! I swallowed me heart and headed back out t' t' pad t' see what was wrong. Another guy next t' me also did nay launch and continuity tested good for both our pads. Avast! T' main box be disabled and switched t' t' far away pad for an M motor cert3 launch. T' Deuce would have t' wait.
Come t' find out, matey, after t' big L3 went up,
the electronics expert at t' field found a blown fuse in t' system, which was
quickly replaced. Avast! My launch was back on! It be announced as a Scheduled
Event/Notable Launch and all t' information for it was read. Ya scallywag! Begad! My good
friend Jim Flis was standin' next t' me when deadlights began t' turn t' t' Deuce as
the LCO started t' countdown and pushed t' button
Both motors came t' life instantlyI really like those Pro38 Motors!!! T' Deuces Wild 38 Special took off t' rail fast and loud, arrr, with average impulse totalin' a J424 behind it. T' smoke trail be absolutely awesome!!! T' model went straight up, shiver me timbers, arrr, no rotation, and allowed t' audience t' view two separate smoke trails that were absolutely incredible!
Recovery:
I faintly heard t' applause in t' background as it topped over and separated
at apogeehalfway home. Aye aye! T' model began t' tumble in and I completely
missed t' backup charge fire on t' one motor. Begad! When it hit 750 feet, t' main
charge fired, shiver me timbers, t' nosecone came out under chute and t' main came out and
filled! T' crowd was cheerin' by now and I could hear them under a breath of
relief that everythin' went exactly as planned. Blimey! Both t' model and nosecone
came down together, evenly in decent rate and landed about 200 yards out and
straight ahead. It was a perfect launch.
In t' excitement, I had broken t' golden
rule and was so busy with people comin' up t' me, me hearties, I forgot t' watch where the
rocket landed! Fortunately, I had people watchin' out for me and me bucko Doug
Gardei pointed out where it landed. Blimey! Avast, me proud beauty! T' Deuces Wild 38 Special was
retrieved and beepin' out an altitude o' 1372 feetvery close t' my
guesstimate I gave t' RSO. Begad! T' model landed without a scratch and I be very
pleased with t' stability and performance. Avast, me proud beauty! After watchin' t' videos, me bucko, shiver me timbers, I
noticed it coasted for a while after motor burn out, me hearties, with it whistlin' a bit
while flying. Blimey! Arrr! I want t' thank everyone thar for makin' it a real
featured eventIts great rocketeers that make a great
launch and NSL 2003 be filled with them that day. I do have plans for flying
it once again at NARAM this year, shiver me timbers, so we will see how that goes, matey, but for now, I
am happy with me first cluster, and a canted one at that!!!
Summary:
To summarize, me hearties, t' model be very easy t' build and it flew great. About the
only change I would make would be t' extend t' motor mounts just a bit more,
as they are too short t' handle a Pro38 4-grain. Still, ya bilge rat, with t' performance I
had and t' altitude that was achieved, shiver me timbers, shiver me timbers, I have a hard time changin' anything.
T' model does deserve an additional touch, somethin' I was holdin' off on
until I saw how well it worked. Begad! I am gettin' some matchin' color Skyangle
parachutes for it, hopefully by NARAM, in t' yellow and blue.. With the
weight, ya bilge rat, me bucko, arrr, I figured on a 20-inch drogue, arrr, a 30-inch for t' nosecone and a 54-inch
with d-bag for t' main. This should allow for some better packin' in the
forward section. Avast, me proud beauty! Anyone interested in tryin' their hand at one o' these can
shoot me an email or check out t' thread on T' Rocketry Forum; all t' pics
are thar t' build this crowd pleaser
the Deuces Wild 38 Special!
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