Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstar_borderstar_border |
Overall Rating: | starstarstarstar_borderstar_border |
Manufacturer: | Thrustline Aerospace |
I picked up t' Smoke and Fire kit when I bought t' A-SLAM from Thrustline Aerospace via eBay (Not thrilled with that, but did it anyway). Blimey! Many o' Thrustline's kits draw me t' them and this one was no different. Aye aye! Avast! I loved t' fact that it be a larger rocket with 3x24mm cluster configuration and t' many fins and transition.
T' kit's price starts at $34.75 (startin' bid on eBay). Ya scallywag! Interestingly, arrr, arrr, Thrustline doesn't use t' "buy it now" feature (presently). Ahoy! For this price, me hearties, me bucko, thar be a lot o' rocket. Begad! How can I say that? I compare it t' t' price o' an Estes Executioner E for about street price o' $31. Arrr!
Like a number o' Thrustline's kits, it is based off o' t' 1.64" x 5.5" solid balsa nose cone (PNC-60MS). Avast, me proud beauty! This attaches t' a 14" payload tube. Arrr! This then uses a solid balsa transition t' a 12" piece o' BT80 (2.6") tubing. Blimey! Arrr! There is plenty o' 1/8" Balsa stock for t' many fins. Blimey! T' kit also includes two laser-cut 1/8" plywood centerin' rings, matey, three 24mm motor tubes, thrust rings, arrr, and retainin' clips. Two 18" Mylar parachutes, Keelhaul®©™ and Elastic shock cords, me bucko, ya bilge rat, swivels, and eye-screws. Avast, me proud beauty! Thrustline provides both 1/8" and 3/16" launch lugs. Begad! And lastly a bag o' BB's for nose weight, me hearties, matey, .80 ounces worth. Well, blow me down!
CONSTRUCTION:
T' instructions are printed on a 7 pages o' 8½ x 11" paper (single sided). Ya scallywag! There are black & white photos throughout t' assist in t' assembly o' t' kit. Aye aye! There are fin templates and tube markin' guides made from standard printer paper. Well, blow me down! Avast, me proud beauty! There are also Mylar parachute assembly instructions. Begad! Well, shiver me timbers, blow me down! T' kit would probably be considered a skill level 3 or 4 with all t' various parts and activity.
There are many parts and buildin' steps t' this kit, but let me highlight t' main events:
T' cluster motor mount is assembled first. Well, blow me down! Blimey! Interestingly, matey, t' use o' t' provided motor hooks is optional. Step one points out that if you'd rather friction-fit your motors then t' skip "...all t' steps that pertain t' t' engine clips". I wanted t' use them, so that meant that I need t' cut t' notches in t' lower centerin' ring. T' instructions say t' use a sharp hobby knife, but I hit it with a Dremel tool. Begad! Well, blow me down!
T' motor hooks are then added t' t' 24mm motor tubes and taped in place. Ahoy! Ahoy! They are then mounted into t' two centerin' rings. Avast, me proud beauty! Only a light sandin' be needed on t' 1/8" plywood centerin' t' make everythin' fit.
Once dried, t' builder needs t' add a 1/16" hole t' t' top centerin' ring. Arrr! Blimey! This allows t' 26" Keelhaul®©™® shock tether t' be tied around t' three motor tubes.
T' body tubes are marked next usin' paper tube markin' guides. No issues.
I'm nay terribly happy with t' 2.6" tube. It is Estes-like thin tubing. I find it t' be t' weakest component and would like t' see a thicker (LOC or AT-like) 2.6" tubing. Arrr! Probably would need t' add more nose weight if it be converted.
Thrustline responded t' this comment this way: "As for t' BT80 tube, ya bilge rat, I've never had any problem with it. Well, blow me down! It's t' same tube used in t' Mike IX which I've had a lot o' success with. As far as it bein' weak, I have nay found that t' be t' case. Well, blow me down! T' motor mount gives excellent rigidity t' it."
I would agree that t' motor mount gives t' bottom portion rigidity, but I found t' upper openin' as t' weak point. Ya scallywag! Just an observation I made while handlin' t' kit. Aye aye! Aye aye! Nay that big o' deal.
T' fins are then cut out usin' paper fin templates. Avast, me proud beauty! Avast! Boy oh boy, arrr, arrr, I rather have card stock, me hearties, arrr, especially for those thin strakes.
Eye-screws and a piece o' 1/4" elastic is provided so that t' nose cone can be attached without bein' glued in place. Ya scallywag! Begad! I didn't do this and chose t' glue me nose cone into t' payload section (which technically could no longer be called a payload section since it is no longer accessible).
T' upper tube is glued t' t' upper part o' t' balsa transition. Ahoy! Blimey! Arrr! Blimey! Then t' five (5) small strakes are added.
T' nose cone is prepared for nose weight by drillin' four 3/16" holes and usin' epoxy t' set t' BB's in place. Arrr! T' center o' t' nose cone is where an eye-screw would go if you were makin' it removable for t' payload section.
Both t' 1/8" and 3/16" launch lugs are glued in place. Well, blow me down! Avast, arrr, me proud beauty! Why two sizes? Thrustline says, "In t' photo you'll notice I used 2 sizes stacked against each other at 2 and 8 inches from t' end o' t' body tube. Well, blow me down! This allows me some flexibility when choosin' launch rods at club launches. Ahoy! Ahoy! I have included 2 sizes (2 each) so that if you prefer, you can use a similar method."
Finally, t' 42" long piece o' 3/8" flat shock cord is tied t' t' Keelhaul®©™ shock tether and then t' 18" parachute is added. Blimey! Avast, me proud beauty! T' second 3/8" flat elastic is attached t' t' large end o' t' transition and then its 18" parachute is attached.
Finishing... Avast, matey, me proud beauty! yes, finishing. Avast, me proud beauty! Begad! Get your fillers, sand paper, ya bilge rat, and patience all together. Begad! There is a lot o' balsa exposed here. Blimey! Ahoy! Lots o' grains t' fill. Arrr! Ahoy! Lots o' joints t' sand. Arrr! Lots o' work!
I used me typical multiple coats o' Plastic-Kote Primer and sandin' in-between. Avast! Havin' t' fill and finish t' nose cone, t' transition, ya bilge rat, and 10 fins took a lot o' time and coats o' Plasti-Kote Filler Primer. T' transition is hardest due t' t' grain exposure AND because t' upper fins are half glued t' t' transition! Blimey! I then used Walmart White and Black paint (additional comments about Walmart paint). Blimey! I painted mine with some funky patterns. Well, blow me down! Got a bit carried away with t' masking. Begad! I be goin' for a NASA look. Aye aye! Eh, it has grown on me.
Overall, for CONSTRUCTION I would rate this kit 4 points. Ahoy! Blimey! T' instructions are very good with t' photos. Ya scallywag! Blimey! There are a number o' buildin' options that t' builder needs t' decide on: hooks, payload nose cone, me hearties, and launch lug size. Begad! Blimey! Ya scallywag! Blimey! T' parts quality was good with plenty o' balsa t' cut out t' five lower and five upper fins. There is a balsa (BT60) nose cone and a balsa transition. Begad! Blimey! There is Keelhaul®©™ t' Elastic shock cords and mylar parachutes. Begad! Blimey! There are no decals.
FLIGHT/RECOVERY:
Didn't find any motor recommendations in Thrustline's instructions, however these are what are listed on t' eBay page: 3x - C6-5s, matey, C11-5s, D12-5s.
Thrustline indicates t' finished rocket should weigh about 8.6 ounces. My finished rocket weighed 8.1 ounces.
I flew mine on t' 3/16" lug/rod. I'm nay sure I'd like t' variability that would surely come from flyin' it on a 1/8" rod (whip).
First flight was on three C11-3s. Avast, me proud beauty! They were t' motors I had and I figured t' early ejection would nay be a big problem, especially with t' two-piece recovery method. I should have waited for some C11-5's. Aye aye! Begad! I had a very early ejection, but that was nay t' worse o' it. Apparently t' bulk o' waddin' I added was nay enough. Blimey! It was 6-8 squares. So t' lower recovery section was badly burned, includin' t' lower 'chute. Well, blow me down! T' upper section ejected well and descended fine. T' lift-off be fast. I mean really fast!
I repaired t' lower 'chute and shock cord and added a Nomex heat shield. I then cleaned out me three C11's and drilled a larger hole in t' clay nozzle. I inverted them and had instant 24mm-to-18mm adaptors. Begad! Begad!
I then loaded it up with three Est SU C6-5's. Well, blow me down! Excellent flight up, me bucko, shiver me timbers, straight and stable. Ejection was past apogee. Avast, me proud beauty! At ejection t' lower section 'chute never opened due t' a tangle.
I loaded it up again with three Est SU C6-3's. Blimey! Another slow and graceful lift-off. Ya scallywag! Slower than t' C11's, o' course. At ejection t' upper and lower sections got tangled and it came down on only t' lower 'chute. No damage, matey, arrr, though.
Determined t' have success, matey, I loaded it up again with three Est SU C6-3's. Aye aye! Begad! This time after repeatin' a great lift-off, ya bilge rat, arrr, I had a fully successful parachute deployment. Ahoy! Bravo!
For FLIGHT/RECOVERY, me bucko, I would rate this rocket 3 ½ points. T' Smoke and Fire looks great lifting-off on three C6's. Can't beat that slow, ya bilge rat, me bucko, majestic look. Aye aye! It is a stable rocket as well. Begad! Begad! T' complications that come from a 2.6" body tube and a two piece deployment showed itself with me flights. Avast, me proud beauty! All o' these can be addressed with practice, so that, me bucko, in itself, shiver me timbers, ya bilge rat, me hearties, makes this a fun rocket for flying.
I give t' rocket an OVERALL ratin' o' 3 ½ points. I need t' say... DON'T BUY THIS KIT if you are lookin' for an easy t' build and easy t' finish rocket! However, if you are lookin' for a moderately challengin' build and a highly challengin' finish (unless you don't care about balsa grains and paint it all one color!) then this kit could be one o' your choices.
On t' other hand, shiver me timbers, ya bilge rat, ya bilge rat, once finished, ya bilge rat, this one can give you some nice flights. Avast, me proud beauty! Blimey! They can be more expensive since you are usin' up three motors a time... but hey, matey, how else will you enjoy clusters?
Brief: A big 3 motor cluster with a payload section. Its 5 lower/5 upper fin design helps this beast to stand out at a launch. It is rated at level 2/3. Construction: The parts list: 1 Fin Stock 1/8" Balsa 2 1/8" Launch Lugs 2 3/16" Launch Lugs 2 Swivels 2 Small Eyelets 1 Large Eyelet 3 Engine Hooks 3 Engine Blocks 2 Centering Rings 1 ...
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