Qmodeling VEGA

Qmodeling - VEGA

Contributed by Jeff Drongowski

Construction Rating: starstarstarstarstar_border
Flight Rating: starstarstarstar_borderstar_border
Overall Rating: starstarstarstarstar_border
Manufacturer: Qmodeling

 

QModeling Vega (Figure 11)Brief:
QModelin' o' Temecula, CA has put together a great lookin' upscale remake o' t' old Estes Vega rocket. Avast! T' kit has always been one o' t' more interestin' lookin' "retro" rockets put in t' flight and QModelin' has done a fine job with this kit. Well, blow me down! She is a single stage, ya bilge rat, single motor, ya bilge rat, parachute recovered (with real sprin' loaded landin' pods as part o' t' fins) model made o' paper tubes, arrr, ya bilge rat, 8.0 oz light balsa, aircraft plywood, hardboard, arrr, arrr, and two part liquid plastic nose cones.

Construction:
I purchased two o' these kits with t' intention o' doin' a "by t' book" kit as well as takin' t' second kits’ motor mount up t' 29mm from t' standard designed 24mm. Ahoy! Ya scallywag! T' kits arrived a few days after I ordered them (good service on t' part o' QModeling). Each kit be in its own triangular mailer. One kit looked great. Avast! T' other looked as if t' postal system tried (and t' some degree succeeded) in snappin' t' container in half. Ahoy! I inspected both kits and discovered that only t' main body tube o' one o' t' kits was bent and unusable. Begad! I contacted Tom Quinn and he promptly sent out another tube in t' mail (again, great customer service).

QModeling Vega (Figure 1)QModeling Vega (Figure 2)

QModeling Vega (Figure 3)Layin' out t' pieces (see Figure 1), me bucko, I read through t' instructions in t' 18-page documentation included for construction and finishing. Avast, me proud beauty! Avast, me proud beauty! Each o' t' steps was clear and referenced a diagram showin' t' overall concept t' be accomplished in t' step. Ahoy! Arrr! After reading, shiver me timbers, I saw only one section that I wanted t' change: t' shock cord (more on this later). Aye aye! I weighed out each o' t' dry components, totalin' 261 grams dry weight & unassembled.

QModeling Vega (Figure 4) One o' t' things I noticed on t' package was t' absence o' motors t' use. Begad! Avast! It declared "D and E" motors but nay t' specifics o' what t' use. Begad! Ya scallywag! T' answer this for me I went t' RockSim and attempted t' figure out t' answer for myself. Begad! Blimey! Now I'm nay a genius at RockSim so I fudged a bit when it came t' t' landin' pods on t' fins. I compensated for them by addin' t' mass o' t' pods t' t' overall weight o' t' fins themselves. Begad! Avast! I know that this won't compensate for t' obvious draggy pods, but at least I could get it in t' ballpark. It suggested that a D12-3 & an E9-4 would do well in Estes motors and 4 t' 6 second delays in various Aerotech loads. Well, blow me down! Well, arrr, blow me down! My father always told me t' "KISS" me first launches so I planned on t' D12-3 for a first flight.

QModeling Vega (Figure 5) Major assembly is broken in t' three sections. Begad! First be t' assembly o' t' engine mount. Ya scallywag! Blimey! Blimey! For a low power rocket t' design o' a fin can that surrounds t' motor mount tube isn’t original, shiver me timbers, but I admit that I've never seen it done with balsa before in a kit. T' six plates that fit together t' form t' fin can were a good fit and went together quickly. Ya scallywag! Aye aye! Blimey! No sandin' or anythin' be required as t' laser cut balsa was an exact fit. Begad! Blimey! Figure 2 shows t' completed motor mount as well as t' parts used t' construct it. T' thrust/centerin' rings were o' paperboard. Ahoy! Aye aye! Blimey! T' aft rin' was bonded t' t' fin can and I had no worries about that one. Arrr! Blimey! T' forward rin' I had plans for. Ahoy! Aye aye! Blimey! An issue I have with this kit be t' shock cord attachment done in t' third section. It be done Estes style with t' usual too short shock cord and paper attachment style. Well, blow me down! I dug out some Keelhaul®©™® line and some epoxy clay. Drillin' a small hole in t' forward rin' and threaded t' line through it (fig 3) and then epoxied this in place with t' clay (fig 4 & 5). Well, blow me down! Ahoy! With that in place I felt that t' shock cord would now survive many more flights. Begad! Interestingly enough t' diagram in step 10 references a "Shock Cord attachment hole" that doesn't exist and isn’t mentioned in t' text. Ya scallywag! CA was used for tackin' t' fin can together and white glue for all portions after that for extra strength.

QModeling Vega (Figure 6) T' remainin' assembly o' t' motor mount/fin can was very straight forward (fig 6). Well, blow me down! Settin' this aside I began on t' major fins, ya bilge rat, which contain t' landin' pods.

Again t' pods were easy t' assemble and presented no difficulties t' complete (fig 7). Blimey! Blimey! I would note however that t' instructions call for light sandin' on t' pod nose cones, shiver me timbers, whereas I felt they should be sanded more soundly since they are part o' t' bondin' point betwixt t' pods and t' fin itself and I wanted good adhesion. Aye aye! Blimey! Attachin' t' completed pods QModeling Vega (Figure 7) t' t' fins be interesting, shiver me timbers, but linin' up t' mold lines on t' cones t' pass straight through t' center o' t' balsa fin didn't prove too challengin' (fig 8). Avast, me proud beauty! Inspectin' t' top o' t' nose cone on both sides o' t' fin t' make sure spacin' be even assured me a good, clean fit.

T' final section deals with attachin' t' fin assembly and other loose fins t' t' body tube. Ya scallywag! Blimey! Here t' fin can did well. Arrr! With t' laser cut body tube and t' fin can, thar was little room for t' fin sub-assembly t' even move around. Squarin' these up t' be aligned properly be a non-event as they had little play t' begin with. Well, blow me down! Begad! T' remainin' fins all attached easily usin' CA. I had some reservation about usin' CA t' attach fins like this but after thinkin' about it, me bucko, ya bilge rat, t' fins are all non-load bearin' and would never take t' QModeling Vega (Figure 8) impact o' a landing. Ahoy! Blimey! Well, blow me down! Blimey! Therefore, all they had t' survive was boost and parachute deployment and I felt comfortable with that. Arrr! Blimey! All fins were filleted with wood glue so t' chance o' them tearin' loose was minimal (even for t' F impulses I planned t' put this kit through).

T' nose cone o' t' kit is a custom piece made by QModeling. It was very heavy and definitely be needed t' offset t' massive weight o' t' fins. Aye aye! T' instructions call for usin' a hobby knife t' trim with but I found t' material tended t' crack more than cut so I used a dremel with a cut wheel instead (fig 9). Then used a sandin' block t' make it look good and provide some minimal bevelin' t' allow it t' enter t' body tube more easily.

QModeling Vega (Figure 9) After attachin' t' shock cord t' me Keelhaul®©™® leader line it was only a matter o' attachin' t' parachute and nose cone t' complete construction.

PRO's: Easy, fast construction usin' CA and wood glue for strength where needed. Avast, me proud beauty! Ya scallywag! Very nice components t' work with.

CON's: Cardboard centerin' rings. Ya scallywag! Poor shock cord attachment style. Blimey! Image in diagram 10 references a hole that doesn't exist.

Finishing:
Here again t' direction are straight forward and easy t' follow. If you've never completed a rocket before, t' instructions lead you through each step in t' process offerin' suggestions on how t' achieve a fine lookin' rocket.

QModeling Vega (Figure 10) I do have two complaints for t' instructions though. Ya scallywag! Blimey! T' first be t' fin alignment template is on page 16 o' t' instructions. Ya scallywag! Blimey! Begad! Blimey! On page 15 (the shared piece o' paper with 16) are t' decal placement instructions. Well, blow me down! Blimey! If you followed directions and cut out page 16, you lost 2 o' 3 sides o' your decal placement. Either you have t' take a photocopy o' page 15 before you cut out 16, or after cuttin' it out you have t' tape it back in place so you can use it later. Well, blow me down! Blimey! T' second complaint would be t' decal instructions. Since this isn’t me first rocket I knew better, but t' instruction indicate that you have t' soak all t' decals and then apply them. One o' t' "decals" is really a sticker and t' instructions never talk about it so t' beginner would assume that it is simply one more decal that needs t' be soaked and then applied--which is certainly nay t' case!

To get t' nice lookin' finish I wanted, I shot three coats o' primer and then three coats o' white. Arrr! Blimey! Laid out t' decals as t' directions indicated. Then shot three coats o' clear over t' top o' it all. I did mask o' t' silver sticker though as clear over it would have ruined its shine (fig 10 & 11).

PRO's: With t' overall rocket bein' white and t' quality decals, matey, how can it nay look GREAT!

CON's: Instruction sheet on t' back o' a page t' be cut up. Instructions don't reference one bein' a sticker.

Construction Rating: 4 out o' 5

QModeling Vega (Figure 12)Flight:
Flight day came (a 5-10 mph day in very DRY Wisconsin) and I set up with t' D12-3 along with a spacer at t' top o' it, arrr, me hearties, as t' tube is designed t' handle t' longer E9s as well. Ahoy! Avast! I set up me ¼ inch 6-foot rod on a very parched baseball field. Avast! With t' motor in place I put in "dog barf" as t' waddin' and loaded t' 24-inch Mylar parachute after fluffin' it. Blimey! Put in an igniter and loaded it on t' pad. Begad! Boost was great (fig 12)! Slow and majestic. Blimey! Avast, me proud beauty! Three seconds was just right on t' delay and t' chute deployed softly and t' rocket came back very nicely. Ahoy! Altitude be about 400 feet. Aye aye! Begad! You can see from figure 13 that t' rocket be angled back at about 25 degrees from vertical. Begad! It was at landin' that catastrophe struck. Arrr! Avast! T' angle o' attack caused a single pod t' strike t' ground first at about a 25 degree angle. Well, blow me down! Avast! T' paper tube that holds t' sprin' in place burst apart at one o' t' spiral seams, pushin' t' pod towards t' engine. Arrr! This caused t' two remainin' pods t' strike t' ground with a force from t' inside out (which it isn’t designed t' withstand) shearin' them off. Well, blow me down! In Figure 14 you can see damage done t' t' rocket. Lookin' back at Figure 13, I think that t' parachute never really opened up t' way it should have (shroud lines too short or needs a bigger chute?) and t' rocket came in a little hot. Avast! Add t' hard landin' surface and t' angle o' attack t' that. Well, blow me down! Back at t' house I rebuilt t' Vega and used epoxy clay around all o' t' pod contact areas. This reinforced t' whole fin while sacrificin' only a modest amount o' weight. Well, shiver me timbers, blow me down! Returnin' t' t' field a couple o' weeks later with no wind, shiver me timbers, I launched right away with a F21. Ya scallywag! What a scream o' a flight! Backed off t' an E18 and still be a magnificent flight.QModeling Vega (Figure 13)

Con's: Don't fly this in any wind. Avast, me proud beauty! If it comes in at an angle, matey, it lands hard.

Pro's: Stable in flight. Arrr! Looks awesome landin' on t' sprin' loaded pods (in no wind).

Flight Rating: 3 out o' 5

QModeling Vega (Figure 14)Summary:
I feel that I purchased a good kit. It had some shortcomings with t' shock cord attachment method and t' mylar parachute. Ya scallywag! Blimey! Well, blow me down! Blimey! For those flyin' in even modest winds I would say t' bump up t' parachute size and strengthen t' fin pod filets with epoxy clay instead. Begad! Blimey! Now havin' said this I can report that QModelin' has already taken care o' t' shock cord and parachute issues and has even gone so far as t' add a Nomex® heat shield t' t' basic kit offering. Begad! Avast, me proud beauty! Blimey! With these improvements I believe that this is now a GREAT kit.

Overall Rating: 4 out o' 5

Other Reviews
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  • Qmodeling VEGA By Darren Longhorn

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Flights

Comments:

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R.L. (September 11, 2003)
I'm happy they elected to upsize the Citation version of the S.S. Vega and not the later version which replaced the nose cones in the fins with paper caps. Can't wait to get one.
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T.D. (September 11, 2003)
Nice review - I'd been considering buying this kit, this review convinced me that I should get one. However a little clarification is in order. Estes produced two "Starship Vega" kits - the KC-4 Citation series kit (from 1972 to 1974), and the later EST 1320 kit (from 1979 to 1983). The Qmodeling kit is an upscale clone of the original Citation series Starship Vega, which did use nose cones on the landing gear pods and the chrome "foil reactor trim" - both deleted on the later EST 1320 kit. I know all about the Citation Starship Vega - I've got one, which I recently finished building (after starting it 30 years ago). Of course neither Starship Vega kit included the functional shock absorber landing pods (to bad, that would have been really cool).
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T.P.Q. (February 5, 2004)
Would like to thank the reviewers for their comments and let the rocket community know we at QModeling not only appreciate them but listen. Since these reviews we have gone back and improved several aspects of our MRS-VEGA kit. Most notably our Recovery System. The new system is comprised of a 30" Octagon, Ripstop Nylon, Thin Mil Parachute w/attached Nylon Shroud Lines, 9"x9" Nomex® Heat Shield, 9' of 200lb test Kevlar® Shock Cord, Size #7 Snap Swivel, and Screw Eye. The Shock Cord is now attached directly to the Engine Mount. We have also improved our Balsa grain alignment and enhanced out manual. Any other suggestions are greatly appreciated and can be sent to tpquinn@qmodeling.com. Thanks!

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