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Arrows

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Alan Flashing
I am getting ready to order some spruce shafts to work up some arrows for my crab horn bow that should arrive this week and would love some feedback as to the spine that some of you would suggest.
The bow is 75 # at my thumb ring draw of 29 " and was planning to order the 11/32" with a 12" nock taper down to 5/16". The supplier also offers the same shaft without the nock taper.
What do any of you think would be a good spine for me and this bow. Thanx for the feed back.
Bede
Alan,
It depends on what your release is like and what weight arrowhead you intend to use.

Find out which of your existing arrows flies best from the bow and then use that spine. It might be a good idea to test is with the smallest fletching you have to exaggerate any problems.
Alan Flashing
Thanx Bede , The arrows that I have on hand now are spined for my long bow which is 80# @ 28" with pretty large fletching. Was looking for a starting point as I was going to order new shafts . Lukas has not suggested a spine yet but did say he had shot it with arrows a light as 375 grains and thought that 450 to 500 grains would be optimum for flight characteristics and to offset the heavy siyahs of the Mughal crab bow.
jack farrell
Alan; bamboo arrows would be the most appropriate for this bow. Species which look like Tonkin cane would be best. The nocks are inserted and are very bulbous. Fletchings are short and not high; originally of vulture but grey goose is a perfect imitation. Mughal arrows are always decorated, some more than others.
Alan Flashing
Thanx Jack I will eventually do some bamboo arrows but this first set will be from spruce and will not be too fancy those will come after I get everything figured out.
Sure would like to hear some suggestions for a starting point of spine on these spruce shafts if anyone has an opinion.
This will be the first set of arrows that I have built for an Asian style of bow and a thumb ring release.
jack farrell
Alan; You are having a custom bow made by one of the world's best bow makers. This bow will not want spruce arrows. You cannot apply what you learn to bamboo arrow making. They are two different animals.

Turn around before you go too far down the wrong path!

Ginny is a true expert in shooting a heavy bow. Let's just ask him. Jack
Alan Flashing
Thanx again Jack , look forward to what Ginny has to offer on this.
It was Lukas that suggested that I use spruce shafts.
Was thinking of the bamboo shafts that I saw a link to here from China but did not see that they offered any even close to the spine for my bow.
Alan Flashing
"Turn around before you go too far down the wrong path! "
This sounds ominous like I am turning to the dark side . lol
Alan Flashing
I guess that with bamboo I do not even know where to even start , they scare me a bit.
Jos?Dom
I?m with jack on this. if I had a Mughal crab bow I?d be using cane/bamboo shafts just to be historically correct but that?s only because I have experience making bamboo arrows for kyudo. I?m currectly waiting for Tiger?s shafts, he offers them up to 90 pounds so that?s strong enough. As soon as I get them I?d tell you about quality but so far I heard good things about them.
On the other hand, there?s nothing wrong using wooden shafts if you don?t mind tradition. It?s a delicate subject to talk about spine because what works for me couldn?t work for you. Sometimes a spine that seems to be right is totally wrong. In my case, I have good experience with shafts spined for the same weight of the bow. In your case I?d be using 70/75 or 75/80 with 100-125 grains points but there?s no way to be sure until actual test. After years of archery, you collect different spined shafts for trial. I wasted money buying and testing shafts but trial and error is the way.
Alan Flashing
Thanx much Jos?, Soundz like a good place to start for the wooden shafts.
Look forward to hearing what you think about this suppliers bamboo shafts.