I'm pretty sure he's reffering to standard 1/2 inch, schedule 40 PVC pipe, rated at 590 W.P. psi. Average inside diameter is just over 1/2 inch, average outside diameter is just over 3/4 inch. Available at any hardware store. If you're still unsure ask a store attendant, they might even cut it to length for you if you ask.
Me parece muy interesante tu diseño, solo te recomendaria que cubrieras el pvc con algun tipo de cinta ya sea aislante o de cualquier otro tipo, ya que el pvc despues de exponerse al sol, tiende a hacerse quebradizo, el problema es que al quebrarse puede generar astillas, las cuales facilmente pueden penetrar la piel, otra peculiaridad del pvc es que no se detecta con los rayos X por lo que si te encajas una astilla puedes necesitar de cirugia para la extraccion (claro esto en casos extremos)
Is it possible to increase the draw weight? I hear from other it can be done by adding smaller diameter PVC tube inside the original one. Does that work? Because i want my first diy bow can be upgradable.
Yes, if possible. the inner tube should be slightly shorter than the outside, so that the tip of the blade lighter than the base. Looking at this another
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realmente quiero esto, pero me parece que no puede obtener la instrucción para la parte de madera cómo se te ocurrió la disign de corte?
Made a adjustment and used bamboo instead of PVC.
See our Youtube contribution:
http://www.youtube.com/watch?v=CXfOkkGuaKY
I need a REST
But I don't understand what you mean by 1/2 inch PVC. Perhaps the thickness of the plastic ?
What is the DIAMETER of the PVC pipe please ??
-_-
The diameter is 22 mm
Saludos desde Mexico
Looking at this another
http://www.instructables.com/id/Bow-PVC-Metal-Arco-PVC-y-metal/
CPVC es una alternativa a PVC regular, mucho mas fuerte tambien.
Excelente trabajo.
para una competencia deportiva 40 libras
para caceria, 80 libras
ESte arco es de iniciación
for someone who starts with 20 pounds
for athletic competition 40 pounds
for hunting, 80 lb.
This bow is initiation