Manufacturer: | LOC/Precision ![]() |
Brief:
Bein' a fresh BAR (born again rocketeer), I be lookin' for a good solid bird that I could attempt me Level 1 Certification with. After a couple o' days o' pokin' around on t' web, matey, I decided t' go with t' Caliber ISP, manufactured by LOC Precision. Arrr! At a strong 56" in length and 3.1" dia. airframe, arrr, she seemed like t' perfect mid-sized rocket for t' Tripoli(r) Level 1 certification.
T' kit boasts a single stage, 54mm motor mount around t' reliable LOC airframe and 4 almost completely triangle-shaped fins that sweep a bit forward along t' aft edge o' 10 inches across. Ahoy! Aye aye! T' finished vehicle weighs in at just over 2.5 pounds, me hearties, makin' it a great kit for anyone lookin' t' acquire their level 1 cert. Begad! Aye aye! or a great all-around sport flyer!
It is designed t' utilize t' "Old Reliable" wadding, matey, shock cord, me bucko, ejection charge and LOC's 35" nylon 'chute t' complete t' recovery system.
With classic stylin' and quite a history behind this popular LOC Kit, I have decided t' stick with traditional methods o' recovery t' keep with t' original style that LOC intended. Aye aye! Blimey! I will, arrr, for t' time being, shiver me timbers, utilize no altimeter, me hearties, shiver me timbers, electronics or modern-day Nomex/Keelhaul®©™ add-me-ons. This bird will operate by t' rules o' t' "Old School". I figure it this way; what a better way t' be rewarded with a level 1 cert. Avast, me proud beauty! than keepin' with t' simple, ya bilge rat, matey, proven methods o' years gone by!
T' kit be shipped smartly and arrived on t' very day it was expected. Arrr! This should prove t' be a real joy t' build and it makes me first rocket, arrr, an Estes V-2 from at least twenty years ago, look like a bubble-gum toy! Blimey! I am already traumatizin' myself over which color t' finished bird will assume. Avast, me proud beauty! Bein' a former Auto-Body/Paint Specialist, arrr, me hearties, me hearties, I take t' cosmetics much more seriously than I would have to, but t' extra time spent on finishin' is always rewarding. Begad! Well, blow me down! Blimey! Well, ya bilge rat, lets take her out o' t' box and see what she's made of, matey, matey, shall we?
Construction:
T' Caliber was shipped with no damage at all, and contained in t' heavy plastic bag with t' label and seal in tact. Ahoy! Blimey! T' body tubes were perfectly round, measurin' 14" and 34". T' fins are wooden, me hearties, five ply laminate as are t' (2) centerin' rings and bulkhead. Begad! A 11 1/4" long plastic nose cone comes with t' kit. Ahoy! Aye aye! Blimey! I be surprised at how well t' seam along both sides o' t' cone looked. Just a bit o' scrapin' with t' hobby knife should knock t' ridge down t' a finishable level in no time! Blimey! T' nose cone be just a touch too loose for me taste, but I guess that is way better than bein' too tight! Blimey! A wrap or two o' trusty maskin' tape will be all t' security it needs. Ahoy! Blimey! LOC has included a six inch tube coupler, shiver me timbers, shiver me timbers, matey, complete with a ply bulkhead and solid mountin' hardware for t' recovery system. Aye aye! Blimey! I did nay exactly measure t' length o' t' 3/4 inch elastic shock cord, matey, matey, but thar be a bunch o' it! Blimey! This will prove t' be priceless later at t' launch site. Avast, me proud beauty! (story at ten)
T' fins come with square cut edges so I beveled them out about 3/4 o' an inch on both sides o' all t' leadin' and parallel edges however, I did nay bevel t' aft edges o' t' fins. Aye aye! I became a bit concerned when I noticed that all four fins had a minuscule warp which bowed t' fins all t' same direction. Ahoy! Blimey! This warped shape was very slight though, me bucko, and I think t' fin alignment durin' construction be t' real important thing. T' maiden voyage o' this bird will be me certification flight so time will soon tell t' story on t' fins!
T' assembly instructions for t' kit are printed on t' illustration and technical info card, me bucko, which is a very familiar sight and style. All in all thar are 20 parts t' t' kit, nay too much t' shuffle through here. Avast, me proud beauty! Well, me bucko, blow me down! T' booster section is pre-slotted which really put t' 'E' in easy for this rocket. Ahoy! Anyone havin' some previous experience with general rocket construction should have no problem at all with t' Caliber ISP. Arrr! Avast, me proud beauty! I will be makin' t' first flights on a 29mm H motor, but t' 54mm mount that t' ship is built around would definitely put this thin' out o' sight on what I am sure would be spectacular flights! With this interestingly on me mind, me bucko, ya bilge rat, I took some extra measures t' ensure t' construction will hold up t' t' more powerful flights.
I gave t' fin slots, openings and raw edges all a good dose o' CA glue before I did anythin' else. Avast, shiver me timbers, me proud beauty! I am one t' dive right into a project like this, so I put a baggie over me hand and gave t' inside o' t' lower airframe some wet kisses with t' CA as well. Begad! I was sure t' nay use too much as t' totally saturate t' poor thing, shiver me timbers, me hearties, but a light coatin' inside t' standard LOC airframe gives t' construction adhesive somethin' t' really bite down on.
I used a 30 min. epoxy for all t' general and high stress assemblies. Begad! Avast! Blimey! I left t' aft CR unbonded with just t' fore CR grabbin' hold o' a good bunch o' epoxy t' give it a strong adhesion with plenty o' extra t' produce a ready made 'fillet' at t' adhesion point inside t' airframe. I had heard that it is a good idea t' slightly twist and pull t' MMT/CR'S a short distance in and out o' t' tube t' assure a good bond. Well, blow me down! Blimey! I allowed t' epoxy t' do its thin' and when it was set, I pushed t' aft CR out usin' a bent coat hangar through t' fin slots.
I generously coated t' inside fillets and did three applications o' epoxy on all t' fin/motor/body tube joints. Well, blow me down! T' 3.1 inch diameter body tube does nay give you much leeway t' apply t' epoxy in thar so I made a funnel out o' waxed paper and poured epoxy through it t' coat all t' joints inside t' tube, doin' two joints at a time. Well, blow me down! O' course, make sure you readily clean up any drips or smears o' epoxy from t' precious fin slots and motor tube. Avast! I use Bounty paper towels which soak up even t' thickest mixtures. If you miss any epoxy drips or sags, ya bilge rat, arrr, they will surely be a son-of-a-gun t' smooth out when cured! At this point, I will refrain from mentionin' t' manufacturer's name that made t' epoxy adhesive I used for t' fin fillets durin' t' construction, but if you get nothin' else out o' this review, please head this warning: Use ONLY good quality adhesives made by a name you can trust! T' particular so-called 'wonder epoxy' that I used for t' fillets did nay chemically react t' way it should have. It stayed very sticky and soft and would nay set up. Begad! Thankfully I had used t' other epoxy t' adhere t' motor mount into t' airframe and t' trouble started with t' bargain glue here, shiver me timbers, on t' fin fillets. Now I like me fillets t' look very smooth and even, ya bilge rat, which stems from me days as an auto painter. Aye aye! It ended up I had t' take a rounded butter knife and dig t' soft, me bucko, shiver me timbers, un-cured epoxy out o' t' fin/body fillet points. I cursed t' manufacturer o' t' product at least a dozen times while just basically makin' a mess o' everything. Now, me hearties, me hearties, what was supposed t' be a beautiful fillet job ended up lookin' like t' surface o' t' moon!
Fortunately, it seems that every misfortune that occurs in this rewardin' hobby usually comes with a free lesson attached somewhere. This be t' lesson from me crater-like fillet goo-goo job.... Arrr! "A pretty good coat o' CA can cure lots o' things." I coated t' heck out o' t' damaged fin fillets and surprisingly enough, what was left o' t' gooey mess suddenly turned solid and workable once more! I wanted t' pass this info along so keep this trick in mind if you ever have t' same problem. Avast, me proud beauty! Aye aye! It worked for me and I just went on and finished t' fillets out like normal. Begad! T' bird is lookin' good and t' fillet nightmare is over!
Finishing:
As far as finishin' me Caliber, shiver me timbers, I just hit t' body tubes and nose cone with some 220 grit paper. Ya scallywag! I washed t' nose cone with soap and warm water first. Avast, me hearties, me proud beauty! This cleans t' remainin' release agent from t' plastic before you drive it into t' bondin' points for your primer. I used easy-sandin' automotive primer in a grit-decreasing, me hearties, shiver me timbers, 3 cycle succession o' sandin' and re-priming. I always use a primer that sands easily when dry. Avast! Blimey! Many primers claim t' be sandable, shiver me timbers, but they do a better job o' cloggin' your paper up. Be sure your primer is dry-sandable. Arrr! Avast! After t' first sanding, shiver me timbers, I hit t' remainin' problem cosmetics with some red 3M spot putty. Aye aye! Avast! This stuff is a real God-send! It sands very easily, smartly producin' a level surface t' apply your No. Blimey! 2 and 3 coats o' primer. Ahoy! Begad! I final sanded with a tri-fold o' 600 grit. Begad! After cleanin' t' surface with a tack cloth, shiver me timbers, I gave t' bird three coats o' white Krylon(r) and just did a simple design o' a red tail section and ! a couple o' black stripes around t' tube here and there. She looks great and I can sleep well knowin' that me fin fillets are once again rock solid! I rate t' overall Construction/Finishin' a 4.5 instead o' a 5 due t' t' slightly warped fins. Begad! Everythin' else is very good about this kit!
Construction Rating: 4 out o' 5
Flight:
There is a certification story written by me about this very rocket and its first flights in EMRR's Certification stories section. Ahoy! A detailed account o' t' day is thar so I will nay go into too much detail about t' flights here. Begad! Avast, me proud beauty! You are invited t' look over t' certification story at any time. Begad! Begad! I wish t' thank EMRR for publishin' me story and I look forward t' writin' more.
T' first flight be t' count for me Level 1 so I was anxious t' take t' t' skies! Usin' an AT H128-W and medium delay, t' Caliber leaped t' life! A beautiful lift-off with lots o' great noise and thick column o' smoke! She flew straight as a bullet so me concern for t' warped fins be unwarranted after all! T' parachute deployed at optimum time and t' certification was complete! I launched her again after t' damage-free recovery from t' first voyage on an AT H180-W. A lot faster off t' pad, still straight as she could be, but a quick delay caused a zipper in t' tube. Well, shiver me timbers, blow me down! T' day was done, me bucko, and with certification in hand, ya bilge rat, I am anxiously buildin' up for me level 2.
Recovery:
T' general, run o' t' mill, wadding, cord and 35" chute recovery system o' t' Caliber worked just fine for me. I think I will change t' a different material for t' shock cord mount/harness assembly now that I have t' cut 81/4 inches o' length off me now called "Lofty Girl" Caliber ISP. Arrr! I think I will use a Rocketman 'chute when I get her fixed up. Begad! Nay that t' standard LOC 'chute is no good, it got me me Certification with no problem. I just dig t' looks o' those Rocketman ones!
Flight Rating: 5 out o' 5
Summary:
I feel that this kit is a great qualifier for t' next level from Mid t' High power. Arrr! Begad! I found it t' be very easily assembled in addition t' tutorin' t' basics o' structural design that will be needed for more powerful level 2 and 3 flights o' much larger vehicles. If you can see from t' photos, after just three flights, me bucko, t' aft end o' me 'Lofty Girl' is becomin' blackened and scorched. Begad! I think it gives t' little lass some character, but if you would want t' avoid this happenin' t' your Caliber ISP, shiver me timbers, I think installin' an Aeropack motor retainer would move t' flame back below t' airframe another half an inch and drastically reduce t' heat t' bird ratio.
Overall Rating: 4 out o' 5
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J. .E. (May 24, 2009)