This bears clarification...
Bear: I'm OK with... "HyperDrive Rum 10 (aged 2 years using proprietary fast aging process to approximate 10 years)."
If that were even roughly true (a 2 yr approximating a 10 yr), we'd all be fine with that. But it'll never happen in small or micro barrels (15 gallons or less). Never. Again...
...wood aging involves three basis processes: additiive (the wood adds components to the rum), subtractive (removes components) and interactive (wood and rum components interact to form new components). The bad news? There are multiple processes and interactions that do NOT occur simultanously, but in different ways and at different times and get this: completely independent of barrel size.
To clarify there are many different processes - but they do NOT occur at the same time. For example some of the interactive processes may occur only after many years and based on earlier processes and interactions involving oxidation. A micro or small barrel can't accelerate these. Specifically, it is impossible for a micro-barrelled 1 year old to
"taste just like a (traditionally barrelled) 10 year old". It can't be done. Believe me if "fast aging" were possible, all the distillers would be doing it if for no other reason than greatly increased profits.
The most famous trial...
Buffalo Trace, whose expertise and dedication to cooperage cannot be doubted. They took a quantity of some very good new make and aged it for five years in 5, 10 and 15 gallon barrels against a standard 53 gallon barrel (all prepared in like fashion). They they constantly sampled and compared the bourbons. The results, as reported by Cowdery:
1. The angel's losses for the micro barrels was massive (the 5 gal. lost 50% of the spirit).
2. Color was the first to change and quickly. But about taste?
3. Per Cowdery the bourbon from the 5 and 10 gallon barrels was undrinkable. From the 15? Barely drinkable and as Cowdery put it "in a pinch only".
4. All three were unbalanced, and featured "more unpleasant flavors than good ones". The highly unusual taste of "raw wood" was common to all. Cowdery points out that this was due to the bourbon pushing out past the toasted/charred carmelized layer into the raw wood beyond (which does not happen in traditional barrels).
5. All three had no body, no richness and expressed excessive tannin-like bitterness.
Cowdery states that micro-barrels will work but only for the very briefest of aging to take the edge off of "white dog", and perhaps add a bit of color but little else. None of the traditional aging effects will be achieved. In no way can even this very brief aging compare in any way to real and traditional aging. Leave the spirit in a micro-barrel for more than a brief dunk and it will be ruined.
To all: Cowdery is a well published hard cover spirits author. His e-book on the failure of small barrel aging was published as a long article and not as a book. For a lousy 99 cents it really is a must buy as your understanding of aging will be well served.
Do it! In closing I'd discuss the underlying issue (extractives, related to wood area and oxidation, which is not) but that depends on you...
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http://www.amazon.com/Small-Barrels-Pro ... B006X9UD2W