I beleive some variations of that have been tried, but I’m not sure if anybody has actually been succesful with it. My understanding is that the curve tends to cause problems with the LED solder joints.
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Thats such a shame, and with all the effort put in to it too.
Does this mean you will be building the second blade?
From my recollection you had enough to make 2 blades right?
I did play around with this earlier on this year.
but I stopped due to not being able to fit it in the tube properly and as predicted I got lots of cobbing.
Thanks, yeah it sucks, but the joy is in the journey right? I had fun making it and it was a crazy idea.
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That’s cool! I wonder if a triangular profile with 8mm strips would have less cobbing?
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I thought I was a brilliant idea!
I did look at maybe having a pcb made to have them lined up down one side.
times it by three and you have something very similar to what you have built.
but I’m no good at pcb design (yet) so have fallen a little short with that idea.
I did look into doing a tri strip but struggled to find a suitable triangle profile that was small enough.
I looked at wood and aluminium but didn’t find anything that would work.
in theory it would take up just a little more room than a double strip so diffusing it would not be so hard.
I’ve also been looking into light diffusion film, the kind used in stage lighting, but the price was a bit much for my meagre budget.
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I don’t understand what you are saying about your PCB idea…would you have vertical strips with side emitting LED’s?
I have had similar problems finding triangle profile. I wonder if it would work to print a bunch of 3-5 cm long triangle sections and space them out under the strips? Or maybe it would work to score some really thin acrylic and bend it into a triangle and hold it with tape?
I know what you mean about diffusion, I just think we loose a lot of light intensity with the foam and white tube. Even then there is some combing. I just feel like there is a better solution.
Gotcha, that’s a good idea…especially as it gives a lot more distance from the LED die to the outside of the tube.
How would you join the strips?
Yes you are absolutely right it would creat a dead zone so to speak.
But then we currently use something like this.
This is why we need good diffusion.
i was looking at this…
i think its the same stuff they use in the back of tv’s
the trick will be to reduce the dead zone between the light source and that would mean less diffusion is needed, save for reducing cobbing.
this was one of the reasons why i have not pushed this idea any further.
but it might pave the way to a better idea…
I’d tale the low tech approach with this and just wire them up at the base of the blade.
This is where I start thinking the COB stuff would be ideal, but I think power is the issue.
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agreed, I think @profezzorn was playing with this idea as he has got some in to try it out.
I wonder if he’s has time to work on it any further?
I will say as a warning, the side emitting LED’s are really prone to peeling away from the PCB, since they are only supported on one side. So if you do end up having PCB’s made, be prepared to be careful.
thanx for the warning / advise.
I think this one has been put to bed as it would cost a lot to bring to fruition, plus as you said it would be a bit delicate.
on the other hand it’s good to keep idea’s like this going as it will only lead to new idea’s being formed that could one day be the new bench mark.
Civilized Sabers already make a ‘tri-star’ blade. Bye bye battery!
RE original concept in this thread… I’d imagine the issue being in your production rather than the concept, right? If you had this manufactured professionally, you’d probably have a better ratio?
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Yeah runtime on a 21500 is 30 minutes
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