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Author Topic: Purple heart  (Read 9050 times)

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Offline JoJoDapyro

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Purple heart
« on: December 04, 2014, 12:29:16 am »
Has anyone made a purple heart board bow? Any advice?
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If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.

Offline Peacebow_Coos

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Re: Purple heart
« Reply #1 on: December 04, 2014, 12:44:15 am »
I have not, but remember seeing quite a few.  I do remember that some worked and some chrysaled I think it might depend on the density of the purple heart and the tiller.  Sure is a pretty wood
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Offline vinemaplebows

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Re: Purple heart
« Reply #2 on: December 04, 2014, 12:45:17 am »
Not very good as a belly wood, will work, but tiller carefully.



VMB
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Offline bubby

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Re: Purple heart
« Reply #3 on: December 04, 2014, 12:54:50 am »
I made the wife a maple backed purpleheart bow this last year, it's a light weight bow but flings an arrow with attitude, imho it should be backed
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failure is an option, everyone fails, it's how you handle it that matters.
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mikekeswick

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Re: Purple heart
« Reply #4 on: December 04, 2014, 03:39:36 am »
It all depends on the grain. If it's straight then a self bow is possible. Purpleheart isn't weak in tension but it is in compression. A trapped back is very advisable! I've made a few elb's with hickory backs...just to see...and they have all held up. Watch that tiller!
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Offline JoJoDapyro

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Re: Purple heart
« Reply #5 on: December 04, 2014, 09:21:20 am »
What would be your (all of you) suggestions for layout? Thickness wise. I am thinking Mollegabet, 66 inches long. Ebony overlays for the statics. Thanks again.

Also, if it isn't good in compression, wouldn't you add a belly of another wood? Because trapping the back and adding a hickory backing would add to the compression... Or am I missing something?
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If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.

Offline adb

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Re: Purple heart
« Reply #6 on: December 04, 2014, 10:43:30 am »
I've made quite a few backed purpleheart flatbows in the past few months. I back them with a more gentle material, like maple or ash. Most have been 1.5" wide at the fades and a straight taper pyramid design. Just don't ask too much in terms of draw weight. Most I've made have been for ladies, and <40#. They all turned out very nice actually. Very little set and nice shooters.

I think it might not be the best choice for a more stressed design like a mollie.
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Offline Prarie Bowyer

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Re: Purple heart
« Reply #7 on: December 04, 2014, 11:15:11 am »
I think almostpig hunter has a video of one (Boarior Bows).
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Offline bubby

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Re: Purple heart
« Reply #8 on: December 04, 2014, 11:31:22 am »
I agree with Adam go pyramid but I'd go 1 3/4" at the fades
If I remember aph's bow that was mentioned crysaled
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failure is an option, everyone fails, it's how you handle it that matters.
The few the proud the 27🏹

Offline JoJoDapyro

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Re: Purple heart
« Reply #9 on: December 04, 2014, 11:35:01 am »
My question now is, Does it need to be used as a backing, or does it need to be backed? If compression strong it would need to be backed, if tension strong it would need to be a backing. What would purple heart back well? The only wood that is readily available in board form is Red Oak. I assume I can get others from a specialty wood store.
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If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.

Offline lebhuntfish

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Re: Purple heart
« Reply #10 on: December 04, 2014, 02:43:50 pm »
Quote from: Prarie Bowyer on December 04, 2014, 11:15:11 am
I think almostpig hunter has a video of one (Boarior Bows).

Sure does, nice little bow too! Patrick
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Offline bubby

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Re: Purple heart
« Reply #11 on: December 04, 2014, 03:01:42 pm »
IMO. you need to back it, I'd trap it some too
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failure is an option, everyone fails, it's how you handle it that matters.
The few the proud the 27🏹

Offline adb

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Re: Purple heart
« Reply #12 on: December 04, 2014, 03:28:31 pm »
Quote from: bubby on December 04, 2014, 03:01:42 pm
IMO. you need to back it, I'd trap it some too

+1
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Offline JoJoDapyro

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Re: Purple heart
« Reply #13 on: December 04, 2014, 04:07:36 pm »
OK, would red oak work as a backing, or would you suggest something else? I can get white oak, but not really anything else. Well, I do have mountain maple, but it is a stave that would have to ripped down to backing strips.
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If you always do what you always did you'll always get what you always got.
27 inch draw, right handed. Bow building and Knapping.

Offline bubby

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Re: Purple heart
« Reply #14 on: December 04, 2014, 06:10:21 pm »
jojo if you have white oak use that, its a great backer
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failure is an option, everyone fails, it's how you handle it that matters.
The few the proud the 27🏹
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