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Author: The Doctor ★2017
Date: 2018-04-26 02:19
(Disclaimer - I sell a plant derived instrument oil)
As mentioned by many - there is so much wrong with this experiment that it should be disregarded.
First, the oil being used is the wrong oil. Since it is clear and colorless it is most probably mineral oil which is sold, even by the big 3 instrument manufacturers, as bore oil. Why- they say because they can sell it and the profit margin is huge. It is petroleum based and in the long run it not only fails to penetrate Grenadilla wood but over time will harm the wood, just as petroleum based cork grease with ruin your cork over time. Petroleum based oils weaken the cell walls of wood and cork and cause their collapse over time (another scientific experiment well documented). Plant oils will not.
Secondly, I have proven, with “real” science that certain plant based oil mixtures will penetrate Grenadilla wood deeply. One proper experiment will “tag” plant based bore oil with a fluorescent molecule and apply the oil to a block of Grenadilla wood, let is sit at room temperature overnight, cut the block in half and then slice very thin sections of a cut end with a medical microtome and look at the sections under a high magnification using a fluorescent microscope. If the oil has penetrated the wood there will be, and is shown to be, fluorescence deep into the core of the wood block section Repeat times ten and you have a decent experiment illustrating penetration of a plant based oil mixture into Grenadilla wood.
It is also true that there is no conclusive evidence that keeping a instrument well oiled over time will preclude some cracking. Many instruments will never crack, some may crack with insults such as quick temperature change, dropping the instrument, and extreme drying environments. Some instruments will naturally crack after manufacture. Remember that you have a wood tube with many holes drilled adjacent to one another with posts drilled deeply next to some holes and you are blowing moist air through the tube for long periods of time)
It has been demonstrated (proven??) that instruments will loose oil and moisture in hot drying conditions and they will change dimensionally, especially the tone hole diameters, and the wood will shrink from oil and water loss (note the loosening of tenon rings in low humidity environments).
Nature made plant oils with special properties that tightly bind water molecules (how could they otherwise exist in a plant water filled environment?) and therefore buffer the moisture content of wood. Even aged and dried Grenadilla wood has a water content due to the natural oil bound water but this can be lost over time with oil loss under drying conditions. Since most clarinet parts come from a different tree the parts may gain or loose oil and moisture at different rates. I believe therefore that you must assess the characteristics of the oil content of each piece and use a differential oiling regime for each piece (if indeed you decide to oil your instrument).
So, I hope that it is now proven that certain plant oils can and will penetrate Grenadilla wood.
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GBK |
2018-04-25 11:02 |
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Speculator Sam |
2018-04-25 11:12 |
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donald |
2018-04-25 12:30 |
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Caroline Smale |
2018-04-25 22:10 |
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jdbassplayer |
2018-04-25 23:05 |
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John Peacock |
2018-04-26 00:04 |
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Fuzzy |
2018-04-26 01:01 |
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Re: Michael Lowenstern's bore oil experiment new |
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The Doctor |
2018-04-26 02:19 |
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The Doctor |
2018-04-26 02:30 |
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DavidBlumberg |
2018-04-27 00:22 |
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The Doctor |
2018-04-27 04:34 |
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Fishamble |
2018-04-27 10:47 |
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donald |
2018-04-27 11:29 |
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Dibbs |
2018-04-27 17:17 |
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kdk |
2018-04-27 19:29 |
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Tony F |
2018-04-27 20:07 |
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QuickStart Clarinet |
2018-09-26 18:30 |
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Johan H Nilsson |
2018-04-27 22:00 |
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The Doctor |
2018-04-28 00:21 |
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Caroline Smale |
2018-04-28 04:00 |
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Johan H Nilsson |
2018-04-28 17:05 |
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jdbassplayer |
2018-04-28 17:37 |
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kdk |
2018-04-28 19:28 |
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Caihlen |
2018-04-28 20:15 |
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Johan H Nilsson |
2018-04-28 23:47 |
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Johan H Nilsson |
2018-04-29 00:00 |
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The Doctor |
2018-05-03 06:21 |
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Klose |
2018-05-03 09:02 |
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Late_returner |
2018-05-03 13:18 |
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Dibbs |
2018-05-03 14:27 |
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kdk |
2018-05-03 23:18 |
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Caroline Smale |
2018-05-04 00:33 |
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The Doctor |
2018-05-04 04:31 |
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bbillings |
2018-09-11 19:42 |
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Klose |
2018-05-04 09:38 |
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Johan H Nilsson |
2018-05-05 00:08 |
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The Doctor |
2018-05-06 02:47 |
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The Doctor |
2018-05-06 04:42 |
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Klose |
2018-05-06 03:54 |
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Caihlen |
2018-05-06 04:32 |
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Klose |
2018-05-06 04:35 |
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Klose |
2018-05-06 06:14 |
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Klose |
2018-05-06 06:55 |
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Klose |
2018-05-06 07:17 |
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Tony F |
2018-05-06 08:28 |
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Klose |
2018-05-06 08:39 |
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Johan H Nilsson |
2018-05-06 14:49 |
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Klose |
2018-05-06 19:11 |
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Johan H Nilsson |
2018-05-06 19:26 |
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Johan H Nilsson |
2018-05-06 19:32 |
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Klose |
2018-05-06 19:41 |
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Klose |
2018-05-06 23:10 |
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The Doctor |
2018-05-07 03:36 |
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Johan H Nilsson |
2018-05-06 20:26 |
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Bennett |
2018-05-06 20:54 |
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The Doctor |
2018-05-06 22:01 |
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Klose |
2018-05-07 04:11 |
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The Doctor |
2018-05-07 05:13 |
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Caihlen |
2018-05-07 05:21 |
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Klose |
2018-05-07 05:43 |
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Tony Pay |
2018-05-07 14:04 |
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Klose |
2018-05-07 15:58 |
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donald |
2018-05-07 14:20 |
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Tony Pay |
2018-05-07 16:19 |
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Klose |
2018-05-07 16:24 |
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Tony Pay |
2018-05-07 16:29 |
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Johan H Nilsson |
2018-05-07 22:29 |
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shmuelyosef |
2018-06-04 07:38 |
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Johan H Nilsson |
2018-06-06 00:11 |
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clarnibass |
2018-06-06 10:26 |
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Paul Aviles |
2018-09-11 21:08 |
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bbillings |
2018-09-11 22:17 |
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Johan H Nilsson |
2018-09-11 23:32 |
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bbillings |
2018-09-11 23:39 |
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Johan H Nilsson |
2018-09-12 02:32 |
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bbillings |
2018-09-12 04:01 |
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Johan H Nilsson |
2018-09-12 22:57 |
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shmuelyosef |
2018-09-12 02:37 |
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bbillings |
2018-09-12 04:22 |
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bbillings |
2018-09-13 20:09 |
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Johan H Nilsson |
2018-09-14 02:29 |
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shmuelyosef |
2018-09-15 06:14 |
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Johan H Nilsson |
2018-09-17 23:26 |
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bbillings |
2018-09-18 19:52 |
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Tony F |
2018-09-18 21:11 |
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Johan H Nilsson |
2018-09-19 00:27 |
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John G. |
2018-09-20 08:39 |
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shmuelyosef |
2018-09-21 01:12 |
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Caroline Smale |
2018-09-22 02:25 |
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Johan H Nilsson |
2018-09-27 00:17 |
The Clarinet BBoard
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