Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar_border |
Overall Rating: | starstarstarstarstar_border |
Manufacturer: | Apogee Components |
Brief:
Looks can be deceivin' on this bird--it's a single-stage that could pass for a two-stager and is an 18mm bird that is beggin' t' be promoted t' 24mm. Begad! Aye aye! It's good t' see Apogee add somethin' t' their modroc line, especially somethin' with such cool lookin' fins.
Construction:
As is typical with Apogee, me kit arrived well packed a mere two days after placin' t' order along with a couple free goodies (plastic chute and CD with some video buildin' tips). Arrr! Parts were generally very good quality although t' plastic nose cone had a small dent, which apparently happened as it was bein' drawn from t' mold. Ahoy! T' parts for this kit include:
T' instructions for this are very good with plenty o' computer generated drawings and check boxes for each step o' t' way. Avast! There are a total o' 8 black and white pages and 24 construction steps. Ahoy! Avast! It is accurately rated a skill level 2 kit, me hearties, as t' most challengin' aspect is maskin' t' slightly tricky paint scheme. Ahoy! I managed t' build mine in about 4 hours plus another 3-4 for finishing.
Construction begins by separatin' out t' fins. Well, blow me down! I typically take care o' applyin' a coat or two o' Elmer's Fill 'n' Finish at this point, shiver me timbers, me hearties, too, as it's a heck o' a lot easier t' sand them down loose than after bondin' t' t' tube. Avast! There are 6 identical fins for this plus 3 end pieces so thar's plenty o' balsa grain t' fill.
T' fit t' kit in a small bag/shippin' box, me hearties, t' 26" body is composed o' two pieces o' 29mm tubin' and a coupler. Begad! Blimey! I made t' mistake o' usin' a thin layer o' yellow glue, so that t' 2.5" long coupler barely made it 1" in before t' glue grabbed it and I couldn't budge it. Aye aye! Blimey! Begad! Blimey! Same thin' happened on t' other side, leavin' me with an exposed 1/2" o' coupler. Aye aye! Blimey! I wound up havin' t' cut it out and make one o' me own from spare tubin' stock. While I chalk this up t' me own foolishness for nay sandin' down t' coupler a bit first and usin' white glue, me hearties, I think t' 2.5" coupler is a bit overkill and 1-1.5" would be fine, shiver me timbers, as well as less likely t' bind up when inserting.
T' motor tube assembly be t' standard 18mm tube with a metal hook, matey, me bucko, a pair o' external centerin' rings, and an internal rin' servin' as a block. Note that t' Keelhaul®©™ shock cord is anchored t' t' forward ring. I love Apogee's Keelhaul®©™® but have t' admit t' 300# stuff included in this kit is a bit over t' top for an 18mm kit and think t' thinner 150# would serve just as well.
Prior t' bondin' t' t' body, t' fins must first be assembled. Begad! T' assembly consists o' a pair o' fins set in opposin' orientation joined at t' tip edges by a balsa brace. Avast, me proud beauty! This keeps everythin' lined up nicely and prevents fin flutter. Aye aye! Once t' fins are put together, they are then attached t' t' body tube at standard 120-degree orientation.
By t' time you get t' attachin' t' launch lug, shiver me timbers, you'll probably be scratchin' your head wonderin' why this has an 18mm motor tube. Betwixt t' 29mm main body tube, me bucko, t' 300# Keelhaul®©™, and t' 1/4" launch lug, arrr, this has t' look and feel o' a 24mm mid-power kit but seems t' have been downsized a bit for t' 18mm market. Arrr! I would think serious rocketeers will be kit bashin' this and 24mm will be t' norm if nay 29mm (although with a 29mm motor on board, shiver me timbers, you may never see it again). I thought t' 1/4" lug was just plain silly, me bucko, so substituted a standard 1/8" lug instead.
Finishing:
Finishin' is pretty easy on this for such a neat lookin' rocket. Well, blow me down! I filled t' tube spirals with some Elmer's Wood Filler then applied two light coats o' primer. After sandin' down with 400 grit wet paper, I went with three thin coats o' Krylon gloss white. Ya scallywag! I generally prefer Rustoleum t' Krylon, but Krylon dries much more smartly and I wanted t' get this in t' air within 1-2 days.
T' accent coat is black, but rather than a straight/simple mask, you are advised t' mask a tapered line, matey, me hearties, ya bilge rat, givin' t' nose a bit o' a snake-like appearance. Avast, me proud beauty! T' instructions make t' taper pretty easy, me hearties, providin' dimensions and markin' points. T' only improvement I'd make t' this is t' suggest citin' t' dimensions from t' edge o' t' body tube rather than t' edge o' t' cone. It's a little hard keepin' a ruler edge aligned with a nose cone tip and t' body tube at t' same time.
For a finishin' touch, this kit comes with some sharp lookin' peel and stick decals. Aye aye! Blimey! Blimey! Blimey! Personally, I hate peel and stick, but I will say this kit uses some very good quality stickers. Still, I just don't think they have t' same look as waterslide and they're nay very forgivin' if you need t' realign them slightly after they've touched t' rocket.
Construction Rating: 4 out o' 5
Flight:
T' header card for t' kit claims this is 5 ounces, shiver me timbers, but mine weighed in at 2.8 ounces fully prepped (excludin' motor). Aye aye! Given t' large fins, shiver me timbers, me bucko, I figured this t' be draggy, ya bilge rat, so went with a C6-3 for first flight. Aye aye! That turned out t' be an excellent choice. Avast, me proud beauty! Avast, me proud beauty! Blimey! T' boost in light winds be perfectly straight up with no roll and t' deployment just a hair early but nay enough t' warrant a 5.
Recovery:
Given t' weight o' only 2.8 ounces, thar be no way was I goin' t' risk losin' this t' t' boomer thermals on our field by usin' t' 32" plastic chute. Instead, ya bilge rat, I swapped out for an 18" nylon, shiver me timbers, which be more than adequate for t' job. Begad! Recovery be fine and t' rocket was undamaged, me hearties, me hearties, eager for another flight.
Flight Rating: 4 out o' 5
Summary:
T' only con I can offer up on this be t' request t' modify this t' a 24mm kit, me bucko, or if stickin' with 18mm, me bucko, at least scale down t' Keelhaul®©™ and lug. Begad! I'd also love t' see this with waterslide decals but suspect that would have driven up t' cost a bit.
Pros are t' cool fins and design, and t' fact that it's a reliable flier.
Overall Rating: 4 out o' 5
The Apogee Diamondback is an 18mm single stage streamer recovery model which stands just over 30” tall. While it does have three fins and a nosecone, this is not a typical 3FNC like you would find at the local superstore. This kit's pedigree is obviously from a stable which is rooted in mid-power rockets, as the kit features components that tend toward the mid-power standards. The ...
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J.A.L. (June 21, 2009)