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איתי  
#21 Posted : Monday, November 18, 2013 3:24:45 AM(UTC)
איתי

Rank: Newbie

Groups: חבר
Joined: 5/15/2016(UTC)
Posts: 465

Greg, the phenomenon that causes warping pegs in d is collapsing

The torque of inertia crashes the incision and rigidity (elasticity model) same material contribution to the critical power to crash.
Moment of inertia of the cross section depends on the size of the cut (RADIUS round rib cut in square cross-section, etc) at the top.
Thus the geometry cut much larger effect on the strength against collapse.

Young's modulus of titanium is 116 GPa
Young's modulus of aluminum is 70 GPa
The ratio is 1.65 in favor of titanium (the way steel higher elasticity module ltitnium)

My contention is that if you take a stake that large RADIUS/rib 10%-15% (depending on the shape) obtained a stake as strong aluminum titanium peg the size of the original, but (or maximum weight) and cheap (you can do the math).
For me it's not 70 NIS 6 pegs cheap (although not enough pegs Q6 per tent pegs at $ 140 it too much), but it's really a personal matter, I think that even if the add-on isn't big on the final amount, still about 3 times more expensive product similar products without any obvious advantage (apart from saying you have titanium pegs there are those who think it's cool.:-))

About the strengths noted.
0 negligible advantage, not encountered on the ground couldn't stick the pegs.
1. a nice idea, I haven't encountered such need.
2. wrong-you are welcome to do.

Overall, my main argument, beyond ownership stakes don't cut round (square/Y) significantly improves resistance to collapse in front of round pegs and therefore there is no need to invest in titanium pegs 41596.0263773148 with me
neutrino  
#22 Posted : Monday, November 18, 2013 12:44:41 PM(UTC)
neutrino

Rank: Newbie

Groups: חבר
Joined: 5/15/2016(UTC)
Posts: 730
Man
Israel
Location: Karmiel

To me, it really matters which software metric you take. I was referring to. For example, aluminum measured at 600 MPA
Titanium on 1300 MPA
LINC.

That's why I said 2 times (a bit more)

Calculating the force collapsing the only thing that changes is that material material elasticity module, as you specified. Aluminum, is 69 and titanium 110-120. It is by the way very close to 2.

Out of all the calculations, I know from personal experience that the pegs were 2 times more aluminum thick titanium pegs buckled like wires. Titaniost much much stronger. There might be an impact element giving hits with stone. In this case another drop titanium Act formulas.

I recommend you buy one stake (exceeding 20 with shipping). And just try. This experience will contribute much more calculations.

Shoot shoot, don't talk
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