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Ash warbow planning

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meanewood:
Kwila (Merbau) will make a self Warbow.

Make it 2m long and about 35mm wide and 25mm deep at the center, reducing by the amounts shown.
           
              Width      Depth

Center  - 35mm     25mm
100mm - 34mm     24mm
200mm - 33mm     23mm
300mm - 32mm     22mm
400mm - 31mm     21mm
500mm - 30mm     20mm
600mm - 28mm     19mm
700mm - 25mm     18mm
800mm - 21mm     16mm
900mm - 16mm     14mm
960mm - 13mm     13mm
 

The back should be rounded about a third of the depth (7mm) and the belly rounded 12mm and this will leave a flat side of 6mm at the center, which will reduce to nothing about 400mm from the tip.

I've indicated 13mm wide and deep about 40mm from the tip for the horn nocks.

If you want self nocks, this needs to be a little wider.

These dimensions roughed out will result in a draw weight of around 80lb at 30in.

You should chase a ring on the back but because this is a tropical hardwood, it does not need to be flawless.

Hope this helps, I really like my Merbau bow and good luck.

Sherratt:
Thanks for the info guys. 80 pounds @ 31 inches is the ballpark I'm aiming for

Del the cat:

--- Quote from: Sherratt on January 09, 2021, 05:19:14 pm ---Thanks for the info guys. 80 pounds @ 31 inches is the ballpark I'm aiming for

--- End quote ---
Ash should be fine for that... not my favourite wood, but it can be use with a ring as the back, or with the grain edge on ||||| like that with the back and belly top and bottom.
I'd recommend making the back narrower than the belly (trapping the back) and heat treating the belly, as Ash can have a tendency to chrysal the belly.
Del

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