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Mika
Joined: 22 Apr 2006
Posts: 978
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 Posted: 27.04.2006 20:46 Post subject: Bamboo bows |
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Tuntuu olevan todellakin loistoideat aloittaa paljon mielenkiintoisia keskusteluja ja häätää kaikki sinne mistä tulikin suoraan sanottuna.
| Quote: | The trick is to heat treat the bamboo. 375 degree f for about 35-45 min.
in a large heat box. A piece of bamboo before heat treating makes a bow of 30lb or so, after heat treating the same bamboo can be make to a bow of 45-50 lbs. |
Show your all bamboo bows to us and tell more about experiences with bamboo bows if you have shooting with bamboo. Tips and tricks are allways nice extra but any experiences can be nice story. |
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jkekoni
Joined: 01 Jan 2005
Posts: 2834
Location: Espoo
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| Posted: 28.04.2006 10:35 Post subject: |
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| 375 F is 191 C. |
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Simo Hankaniemi
Joined: 08 Jul 2004
Posts: 4937
Location: Turku
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| Posted: 28.04.2006 10:59 Post subject: Bamboo bows |
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| I have never made a bamboo bow, but Muri Salin made a nice sinew backed one about 20 years ago. He still has the bow. It´s surprisingly elastic, slightly recurved and setback design. The bamboo belly is not heat treated. When I first saw the bow I decided to make a similar one, but that´s still a pipe dream. |
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Mika
Joined: 22 Apr 2006
Posts: 978
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| Posted: 30.04.2006 11:42 Post subject: |
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| Mika wrote: | | Tarkista vaikka aika kellosta |
Let´s keep it in english, please! |
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Mika
Joined: 22 Apr 2006
Posts: 978
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| Posted: 30.04.2006 21:14 Post subject: |
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| Check your bandwidth... |
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Mika
Joined: 22 Apr 2006
Posts: 978
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Mika
Joined: 22 Apr 2006
Posts: 978
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santtu
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| Posted: 27.09.2006 19:32 Post subject: |
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| can a bamboo bow be heat-treatet in a heat box, because atleast when I made the mistake to heat-treat my rowan short-bow from it's back it broke emeaditly.. so the qestion is: can one meke a durable and functionable bemboo bow if the back of the bow is heat-trated? |
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Simo Hankaniemi
Joined: 08 Jul 2004
Posts: 4937
Location: Turku
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| Posted: 28.09.2006 02:04 Post subject: heat |
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| I feel it´s not a good idea to give any heat to the back of the bow. |
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jkekoni
Joined: 01 Jan 2005
Posts: 2834
Location: Espoo
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| Posted: 28.09.2006 09:42 Post subject: |
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It may be a good idea to heat treat the back of the bamboo, if you protect the knots from the heat with tape and wet paper. The knots are the weakest points anyhow. This would give more harness to the bamboo and allow you the deflex it. Or would it make the knots more flux making then more bending spots... probably not, since they are less bending anyhow. Or they would be less stiff making the even weaker.
Or it may be enough just to heat treat the belly.
Bamboo it not wood, but weed, so it may not follow all the wood rules... |
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