Is it wrong for me to think these are sexy?

[erooMynohtnA]

An eggshell, which is strong and hard compared to the goo inside, is still easy to crack because it's brittle and thin.

[telkanuru]

Although the comparison of Titanium to egg-whites is most likely inapt.

[PeterGustafsson]

Hi!

Is it wrong for me to think these are sexy?

Only if Mrs. Paul objects...


Have a nice time!

Peter Gustafsson

[erooMynohtnA]

Although the comparison of Titanium to egg-whites is most likely inapt.

By nitride, I meant the titanium nitride, so the steel would be the egg white. Given an 85 HRC for the TiN and something like 50 HRC for the barrel, I'd say that's getting close a hardboiled egg with a very thin shell.

[telkanuru]

Mm, my misread. Apologies.

[Purple Fencer]

Hi!



Only if Mrs. Paul objects...

Winner! [/thread]

[Alex_Paul]

Only if Mrs. Paul objects...

I am afraid there is no Mrs Paul for me, only a Dr Spry, but she doesn't mind if I think fencing kit is sexy so I am OK

[fencerbill]

Heh....only if LP can find a way to treat a Union Jack wrapped arround teh barrel!

Ted Li had some examples of the the way weapons were marked at Olympics where he was involved with weapons control. There were designs etched in color on the blades.

Don't see why the same thing couldn't be used to wrap a Union Jack around an Epee barrel. Not quite so effective with Foil where they would be taped. Perhaps some transparent shrink wrap.

[Purple Fencer]

Ted Li had some examples of the the way weapons were marked at Olympics where he was involved with weapons control. There were designs etched in color on the blades.

Don't see why the same thing couldn't be used to wrap a Union Jack around an Epee barrel. Not quite so effective with Foil where they would be taped. Perhaps some transparent shrink wrap.

Hey Alex! New product line!!!

[KD5MDK]

I never win arguments on here

You should try being right more often.

[Alex_Paul]

Well, at the moment there are a whole bunch of these out for test, they were sent Monday so probably will not have arrived with many testers.

I have a test rig here that bashes the tip and so far the results are promising. The test rig isn't an exact simulation as the hits are all the same strength, they are regularly timed and occur over a much shorter period. The strength being regular isn't good for accuracy as we see much less damage to the grub screws than in real life and the short time means that if oxidation is occuring it doesn't have much time to happen.

At the moment I am measuring lots of things but the key measurement is from the point wire to the point base.

With a standard GT point, brass contact stainless steel springs and stainless steel screws resistance starts at 0.3 ish ohms at 3600 cycles (a lot of hits) it is near 1 by 7200 it was varying between 1 and 8.2 ohms. It should be noted that if you fence to 15 and you are lame so each bout takes 45 hits including the floor, guard and off target then 7200 is 160 bouts and if you do 10 bouts a night 2 nights a week using only one weapon this is still 2 months with no cleaning.

Twisting the point caused fluctuations. Cleaning the point helped but only for 3600 cucles and changing the screws and spring got you a similar life to the new point. I believe there is a combination of factors at play which I will detail when I am more sure.

The new parts are Ti point and base, silver plated ground end (smooth) spring and silver plated contact on the wire.
So far I have 0.6 when new, 0.7 after 3600 and 0.7 after 7200.

Tomorrow I will cycle it some more and see what happens.

At the moment there is no visible wear to the nitriding, the screws are a little worn and the surface of the springs ends are slightly polished. I have set the tester up to twist the point by 1/16 of a turn each hit so I would expect some wear to the contact surfaces.

I also just noticed that my meter reads .4 ohms between the two contacts (doh) I need to recalibrate it but I don't really want to skew the results so in reality you should take 0.4 off those figures.

Once I have finished this sequence of testing I will set up two new tests with a properly zero'd meter.

First I will batter a new Ti point at 1hit per second for as long as a day will allow, this should be 28000 or more than a life of the foil

Secondly I will attach the point to our blead breaking machine. This will more accurately simulate fencing as it bashes the point into the target and then allows it to rebound fully.

Without wanting to get excited over "sexy" points I think these are looking really good.

Alex

[Purple Fencer]

So....new LP points = vendor viagra...

Bob Dollar is going to bring in his set when he gets them....and after he finishes with all the earthquake stuff!

[fencerbill]

Without wanting to get excited over "sexy" points I think these are looking really good.

Alex

Thanks for the window into your development process. Illuminating.

[Nolano]

I recall reading somewhere that maraging steel takes nitriding very well... Could make for a very durable coating.... Probably spendy, though.

[seven6ty]

Is this first batch foil only?

[Pescados666]

Any chance you'll be needing testers again around next fall when school's back in? I'll be able to test then

[Jyc]

haha well that can certainly be taken as a phallic symbol.