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in reply to: Hunting & Spirituality #48349
Here goes, both feet, my personal view religion and spirituality are separate.
In my humble opinion (he says trying not to tread on any toes) religion’s were created by man to formalise values, conduct and unite people.
Spirituality recognises consciously or unconsciously the power (life force, energy) in all things.
OK cut that well short and not offended anyone.
Mark.
in reply to: Traditional Movies #43409A Knights Tale, with Heath Ledger, makes me smile but don’t think Chaucer would have recognised it.
in reply to: Flint or Agate #39898To start I’ve never knapped flint but I can’t see what effect heat will have on flint other than to exploit any cracks or faults. Interested to hear otherwise.
You might try Will at http://www.beyond2000bc.co.uk although he’s a continent away he is very helpful drop him a line.
Mark.
in reply to: Homemade arrow spinner #33790Can I suggest larger wheels offset with an overlap to give a deeper V.
Mark.
in reply to: My New Longbow #33787That is very nice and casts a good arrow. A name to look out for in the future.
Mark.
in reply to: Longbow For a Cousin #25865Hi Dennis, he’s one lucky cousin I hope we get to see it in all it’s glory before you hand it over. Thanks for letting us see the creation of another very nice bow.
Have a good weekend, Mark.in reply to: Installing Compass #18155Marbles used to make brass compasses.
Hi Erik, from your posts these students will be of varying ages possibly with parents have you considered a prearranged campsite for a weekend something like the scouts use.
They can then go on predetermined routes possibly with an overnight stop individually or in small groups, this would give you an opportunity to ensure they are prepared and know where to start looking if they don’t return as expected. And the confidence to know that if something goes wrong they are not alone.
Consider contacting the Forest Services they may have a suitable site.
Mark.in reply to: Camp Fire Trick #9319Xanthine Orange, isnt that the capital of Azerbaijan:?:
in reply to: Degrees of Rotation of Single Bevel Heads #92972 hours of calculations and all I proved is that ‘I know nothing’
My new area of fascination ‘computational fluid dynamics’ and what have I learnt ‘I know nothing’
This is way more complex than ballistics relating to firearms, closest I have found after hours of trawling the net is that a broadhead will behave more like a wind turbine than anything else I have found.
What I have learnt is that no matter what the broadhead will do you also have to consider all other components the biggest variable will be fletchings and that makes most of what I was trying to do worthless.
Homer is correct in quoting Doc Ashby, modeling a bradheads flight bears very little relationship to what happens when it contacts meat and bone.Free software download of http://www.openfoam.com may be interesting.
Mark.
in reply to: Just like a bad penny… #63518Hi Patrick, I thought it had been quite:wink:
Homer, I think the saying about ‘bad pennies always turning up’ is to do with shop keepers who found that they had accepted a bad pennie by mistake rather than report it and suffer the lose they would pass them on in change to customers, the problem was self perpetuating and more and more bad pennies got into circulation so more would turn up. But the saying must date back to when a penny had some buying power.
Just wish I could absorb useful information in the same way I remember these things.in reply to: Degrees of Rotation of Single Bevel Heads #59037Hi Dan, Dave, this subject fascinates me, if you can give me the angle of the cutting edge from the center line I can calculate the distance it will travel for one rotation, bit like rifling in a barrel.
Some time ago I tried to work out the path of a single bevel broadhead as it passes thru meat but that defeated me, it also defeated the ghouls at a medical company we supply tools to so I did not feel so bad. My guess is that once the broadhead enters flesh and experiences uneven pressure on its faces it prescribes a helix and this is what crates the huge amount of tissue damage, unfortunately I’ve only seen pictures and not had the opportunity to roll up my sleeves and dive into a wound channel.
I have used them and like them a few things that come to mind:
Can be used on uneven, rocky or even boggy ground so long as you have good anchor points (not boggy ground when there are bugs about).
Get a good tarp that then allows you a dry open space to cook in etc.
Suspend the tarp under the ridge line so that water does not track down it and drip over you.
Most of your important gear can be stowed in the ridge of the tarp above you.
In warm weather air circulates freely keeping you cool, in cold weather you definitely need something to insulate the underside.
Get a mozzie net.
It will take a few times before you get the tension right on the hammock to suit your weight and sleeping style.
Happy camping, Mark.in reply to: Arrow tuning #51001Hi Tomcat, to begin I’m no expert, a very strange result you’ve done no different than most people.
This is one arrow that you have been experimenting with has it been damaged during the shortening or shooting process? try shortening another arrow to confirm your results. Also check the knock has not split.
That’s all I can offer, will be interested to see what others suggest.
And welcome to the site.
Mark.in reply to: Cresting – anyone do it without a machine? #46404Quite a while ago someone put up a post having made a cresting machine using the motor and speed control from a sewing machine, gave fine control over speed and cost very little from e-bay.
Mark. -
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