Construction Rating: | starstarstarstarstar |
Flight Rating: | starstarstarstar_borderstar_border |
Overall Rating: | starstarstarstarstar_border |
Diameter: | 0.98 inches |
Length: | 14.30 inches |
Manufacturer: | Balsa Machining Service ![]() |
Skill Level: | 2 |
Style: | Clone, Contest, Sport |
Brief:
Balsa Machinin' Service began offerin' a Clone o' t' Month kit in t' sprin' o' 2008. Arrr! Under this program, an old classic kit would be offered in bag-of-parts format (no instructions), minus any chute or streamer, shiver me timbers, and pre-order only. By accumulatin' all t' orders, me bucko, Bill could run a single large batch, have little or no leftover materials, and make this a very affordable offering--kits typically in t' $7-8 range. Well, t' program has been quite popular although nay as regular as monthly. Avast, me proud beauty! Ahoy! T' date (August 2008) thar have been only 3 kits offered--the FSI Viking, me bucko, t' Astron Invader, and this: t' Astron Drifter. Ahoy! T' Drifter features long, ya bilge rat, me bucko, swept fins and a tapered boat tail. Avast, matey, me proud beauty! It be featured in t' 1966 catalog as a competition model usin' either 12" or 24" chutes. Avast, me proud beauty! Well, blow me down! Don't pack a 24" in this if you ever want it back. Begad! Avast! T' cover art changed a number o' times over t' years, gettin' progressively simpler from t' original checkered roll pattern.
Construction:
Your bag o' parts includes:
Instructions are nay included with this kit although scans o' t' original are available on t' JimZ archive site.
Assembly o' t' motor mount is a little off t' beaten path. I had t' bond centerin' rings t' either end o' a TC-50 tube coupler then slide t' motor tube into t' TC-50/rin' assembly. Ya scallywag! Blimey! Spacin' is critical here as thar needs t' be appropriate room (~1.5") for t' boat tail.
T' boat tail is formed from a paper shroud pattern. Avast, me proud beauty! I felt this was a bit flimsy, arrr, me bucko, especially since it serves as part o' t' fin attachment point, so I soaked it in thin CA. Ya scallywag! T' boat tail then slides onto t' BT-20 motor tube and rests against t' TC-50 coupler. Begad! T' boat tail assembly can then be mounted inside t' body tube. Begad! Careful alignment is in order--if you line up t' boat tail seam with one o' t' three fin lines, then it gets completely covered, meanin' no unsightly seam t' fill.
Fins are precut, ya bilge rat, which is a very nice benefit considerin' t' tapered root edge necessary t' conform t' t' boat tail. Well, blow me down! In me case, matey, thar were very slight gaps, shiver me timbers, which were easily filled through t' fillet process.
Shock cord attachment is standard paper tri-fold.
Finishing:
I went with one o' t' simpler paint schemes, me hearties, circa 1977, me hearties, which features base white with blue nose and fins. Nothin' special about t' finish, me hearties, just t' usual two coats primer, me hearties, me hearties, two coats base, shiver me timbers, shiver me timbers, arrr, one coat o' trim, shiver me timbers, Krylon rattle cans t' whole way.
Construction Rating: 5 out o' 5
Flight:
As skinny and light as this is, arrr, I was afraid t' shoot for much more than t' A8-3 starter, shiver me timbers, me hearties, wantin' a relatively short recovery walk. Ahoy! This thin' was amazingly fast on t' way up although it spun a good bit with some obvious fin flutter.
T' -3 delay was clearly a bit too early, ya bilge rat, as it was still climbin' when t' chute deployed.
I followed up with a second flight, also on A8-3, and t' fin flutter was severe enough t' break off a small piece from t' end o' one fin (clearly nay impact damage, me hearties, as thar be no trace o' it anywhere nearby in t' short grass landin' area). It definitely needs a -5 instead o' a -3...
Recovery:
I had supplied a 12" chute form me range box, and this is plenty o' chute for this model. Begad! Slow descent, ya bilge rat, gentle landing. It could probably do well on a streamer as well, though with such fragile fins this might nay be wise.
Flight Rating: 3 out o' 5
Summary:
I love t' stylin' o' this and think it's a fantastic value as a clone kit. Avast, me proud beauty! Ya scallywag! T' only drawback I can see be t' clearly weak fins, which cause flutter and roll and are prone t' breaking. Well, blow me down! Blimey! I would definitely suggest reinforcin' either trough laminating. I really wish I had a do-over on this one, matey, as I'd fly t' bejeebers out o' it if it could handle it. Blimey! As it is, this is fragile enough that with frequent repairs I will probably nay fly it very often.
Overall Rating: 4 out o' 5
The Atron Drifter is an old line Estes kit that Balsa Machining produces a kit for. The kit comes with materials except for parachute and decals. I got a set of the classic decals from Excelsior. The kit is also sold without plans but a web address is given to download them. The first step in construction is to locate the coupler tube and the ring(s) intended to be fitted to the end. I was ...
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