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Old 02-07-2011, 11:11 PM
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Default Whatís a Biot?

Iíve looked everywhere to find out what a biot is exactly. I know itís some type of feather or part of a feather from a goose. I would think that other birds have biots too. I know I can buy the goose biots at Bass Pro or on online. If I knew what they were it might be fun to try out other types of biots.
The dictionary doesnít list the word, other than to say itís a place in Europe. There is also Biot Glassware and a BIOT Symposium at the University of Louisiana. This is my favorite definition so far: A Biot number ( Bi ) is a dimensionless number used in non-steady-state heat transfer calculations.
Just in case you need it someday, hereís the formula; Bi=hl/k

I know, I'm being a bit silly. But, Donít you just love esoteric words?
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Old 02-07-2011, 11:26 PM
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Default Re: Whatís a Biot?

Biots are the short, stiff parts of the leading edge of the large wing feathers. I save and tie with goose, turkey and duck feathers. If you look at a Prince nymph, the wings and tails are generally goose/turkey biots.
The wild goose biots I tie with are grey and nearly translucent. They're easy to color with markers.
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Old 02-08-2011, 12:44 AM
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Default Re: Whatís a Biot?

Quote:
Originally Posted by JoJer View Post
Biots are the short, stiff parts of the leading edge of the large wing feathers. I save and tie with goose, turkey and duck feathers. If you look at a Prince nymph, the wings and tails are generally goose/turkey biots.
The wild goose biots I tie with are grey and nearly translucent. They're easy to color with markers.
Well, yah, in fly tying. It's also British Indian Ocean Territory, like that Naval jewel Diego Garcia.
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Old 02-08-2011, 09:46 AM
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Default Re: Whatís a Biot?

WAITAMINUTE... I thought it was when one company was in financial trouble and another one came in and took them over!!

okay, okay... sorry business humor =)

Best info I've ever seen describing WHAT a biot is and how to properly use them:

t r o u t f l i e s . c o m

---------- Post added at 09:46 AM ---------- Previous post was at 09:36 AM ----------

Oh and to follow up on your original musings... ALL BIRDS have biots, that is ALL BIRDS THAT FLY or are capable of flight. A bird's wing is made up of two main sections- the primary (front) and secondary (rear) sections.

Biots, as stated by others, come from the LEADING EDGE of the feather, but it's the PRIMARY feathers, not the secondaries (the 'larger' ones). And the longest primaries are the ones with the most biots... as you get further back on the wing, they become more scarce.

Biots from smaller birds, all the way down to songbirds, (as I'm sure you can imagine) make good tails, antennae and legs on smaller flies. Biots from larger birds (ducks, geese, turkeys, peacocks) make good body materials (see Harry's turorial that shows how they can be used edge up and edge down).
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Old 02-08-2011, 09:55 AM
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Default Re: Whatís a Biot?

In fly tying I've used both goose and turkey biots in my tying. The goose material is usually a bit stiffer and shorter, while the turkey can be quite long and not so stiff (also not as strong). I use biots for tails on nymphs, i.e.: many stonefly nymphs; prince nymphs, etc. But, where I really like them is as abdomen bodies for both nymphs, emergers and dries. I usually tie them 'fuzzy' for emergers and smooth for most dry flies and/or nymphs.

Here are a few pics:

Tie in fuzzy for emerger abdomen:
Click the image to open in full size.

Tie in fuzzy for dry fly abdomen:
Click the image to open in full size.

Tie in smooth for dry fly abdomen:
Click the image to open in full size.

Tie in as tails and wings on nymphs: (this is one of Charlie Craven's ties and pics)
Click the image to open in full size.

There you have it. I'm sure there are many more uses for biots, but these seem to be the most common. I wouldn't be without biots and, in a variety of colors, as I consider them a valuable tying material.

To learn how to tie either fuzzy or smooth depends on how you mount and wrap the biot on the hook. There is a notch in the wide end of the single biot where it stripped off of the stem. Usually, notch up (towards hook eye) means fuzzy, notch down means smooth. Another tip to remember is to make sure you soak biots before using them as they tend to be brittle. You can tie them without soaking, but I have much better success when they are a bit more pliable. Last tip, make sure to lay down thread or very sparse dubbing on the hook before wrapping a biot, and use cement under the biot in order to make it durable - nothing worse than a biot coming unwrapped after a few fish because it wasn't glued in place.

Hope this helps. Good luck.

Kelly.
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Old 02-08-2011, 12:47 PM
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Default Re: Whatís a Biot?

Thanks, this helps a lot. Now I know what to look for when I see whole feathers laying around or at craft stores etc.

Here's one more definition for the word Biot:

BIOT = Bio-Med Technologies, Inc. operates as an oil and gas exploration company. The company is based in Bangkok, Thailand.
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Old 02-08-2011, 10:19 PM
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Thumbs up Re: Whatís a Biot?

WAITAMINUTE... I thought it was when one company was in financial trouble and another one came in and took them over!!

Too funny

Here's one more definition for the word Biot: BIOT = Bio-Med Technologies, Inc. operates as an oil and gas exploration company. The company is based in Bangkok, Thailand.[/QUOTE]

This too.
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Old 02-10-2011, 01:58 AM
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Default Re: Whatís a Biot?

those are some nice segmented bodies! I am gonna do this! found a few places that explain biots more with pix!
http://www.invictaflies.us/Articles/all_about_biots.htm
http://www.basspro.com/webapp/wcs/st...objectID=30558
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