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Home made ALC blade |
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jpenmaster 
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Joined: 12/24/2008 Location: Chicago Status: Offline Points: 2176 |
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 Topic: Home made ALC bladePosted: 08/21/2018 at 6:38pm |
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Figured I would share some photos of an ALC blade I just made. It's Ayous core , Spruce,ALC and Koto. Finished thickness is 6mm. Still waiting for it to cure to get a final weight but currently it's 99 grams with a solid handle and a frequency of 1530hz which is a little higher than a Butterfly ALC blade but close.
    Edited by jpenmaster - 08/21/2018 at 7:22pm |
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ZhouZhekai
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Posted: 08/21/2018 at 7:00pm |
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Looks fantastic
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shinshiro
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Posted: 08/21/2018 at 8:15pm |
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Looks VERY nice! specially the side view (2nd picture).
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liulin04
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Posted: 08/21/2018 at 8:25pm |
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Ryan, make me a cpen please!
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SmileTT
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Posted: 08/21/2018 at 10:02pm |
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Has this same composition been done somewhere before? Sounds interesting and looks great!
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Xiom Omega IV Euro | Freitas ALC | Xiom Omega IV Euro
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photino
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Posted: 08/21/2018 at 10:34pm |
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Fantastic! in for one as soon as the ordering open
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EJ-turned blade collector
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jpenmaster
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Posted: 08/21/2018 at 11:17pm |
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Ha! At my snail pace i would have to charge more money than Butterfly.
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Baal
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Posted: 08/21/2018 at 11:37pm |
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I envy your skill.
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ashishsharmaait
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Posted: 08/22/2018 at 9:31am |
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Where did you get the ALC sheet from?
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tiehwen
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Posted: 08/22/2018 at 10:18am |
 He has been "giving" me alotta stuffs over the years since the 1st day I've known him & I still keep ALL of those gifts until the end of....hmm..ain't gonna go too far. Edited by tiehwen - 08/22/2018 at 10:20am |
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SmackDAT
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Posted: 08/22/2018 at 10:19am |
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Make me one and sell it to me! I'll fork over some good $
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BeaverMD
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Posted: 08/22/2018 at 11:02am |
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Nice! Is the blue cloth mesh looking thing the Arylate Carbon? Where did you get/buy it? A quick search only turned up blades and carbon fiber sheets. Your work looks great!
The closest I got to wanting to make my own blade was when I saw sheets of Mylar being glued on windows, layers and layers of it to prevent glass shattering in case of a storm. I thought hmmm, I wonder how this thing would be in a TT blade. But I have not done it yet. I also have this idea that if I can get the rubber used in Wham-O Superball but in sheet form, glue a topsheet on it, I bet I can get some interesting results
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cftt-blades
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Posted: 08/22/2018 at 11:14am |
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I've found nowhere to get Arylate Carbon in the US. I've heard of suppliers perhaps in China. There are a number of places to get a wide variety of good composites in the US, such as compositeenvisions.com as one example. Arylate Carbon I believe is also known as Vectran. A lot of people I believe use Aramid carbons as a substitue, such as Carbon/Kevlar composites.
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Chris
--- Custom Blade made by me Donic Bluestorm Z1 Donic Bluestorm Z2 |
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jpenmaster
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Posted: 08/22/2018 at 3:24pm |
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My friend gets the composites and epoxies from Europe and the US. Don't try Mylar on a TT blade I actually use it as a stop layer since epoxy won't stick to it.
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Magic_M
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Posted: 08/22/2018 at 3:45pm |
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You should build 10 more of these beauties - including a light one for me 😉 This would be more economically and you could sell them for a price which is acceptable for you and us. 😁 I am sure we would find interests for these blades. 😄
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kolevtt
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Posted: 08/22/2018 at 5:36pm |
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Wow, I am surprised how good you have made it looking. Hope it plays well too. I won't buy any blade by personal reasons, but I am sure your skills could be appreciated among the forum members in time. Wish you all the best in building good for playing and good looking blades, I will follow your progress!  |
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jpenmaster
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Posted: 08/22/2018 at 6:18pm |
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Thanks for the kind words and interest in this blade. As it stands right now I don't have any plans to make them available. It's really a long process since I do all the work by hand. If the blade plays great and I could find a way to make them affordable and not take so long I'll let you guys know.
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jpenmaster
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Posted: 08/23/2018 at 12:16pm |
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Couple more pics of the handle work
  Edited by jpenmaster - 08/23/2018 at 12:17pm |
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cftt-blades
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Posted: 08/23/2018 at 12:21pm |
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That top picture is very curious. It looks like not only are each of the individual handles hollowed out, but you've actually removed a significant portion of the handle on the blade itself? I can only presume done for weight reasons. When you removed this much material how did the weight change from the initially reported 99g? Given the materials you used, 99g seems a bit high based on my experiences with making a number of blades.
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Chris
--- Custom Blade made by me Donic Bluestorm Z1 Donic Bluestorm Z2 |
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jpenmaster
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Posted: 08/23/2018 at 12:59pm |
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Final product
 Edited by jpenmaster - 08/23/2018 at 1:00pm |
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jpenmaster
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Posted: 08/23/2018 at 1:18pm |
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When I put it on an accurate scale it was 104g total. So I removed some weight from the handle. Total weight is 96g now. What does your cut lamination weigh without handles? I have noticed handle material weights have a huge weight range. Some of my rough handle blanks are 25g a pair some are 50g plus
Edited by jpenmaster - 08/23/2018 at 1:30pm |
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cftt-blades
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Posted: 08/23/2018 at 1:53pm |
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Yes handle materials are definitely widely varied in weight. https://wood-database.com can give you some sense of how heavy a material will be. Usually my handles after initial gluging of materials together, cutting to size, using a round-over bit on the edges, before any significant shaping are in the 13-16g range each. I then proceed to plane each side of the handle to get close to a thickness I want, leaving a little room for sanding, and re-weigh. This gives me an estimate of how much material i need to hollow out from the handle (if any).
Those handles sort of look like Padauk(?) which is somewhat heavy. I have made 14 blades thus far and have kept accurate track in a google docs spreadsheet of everything. I've had 5 ply blades that were 57-62g cut before handles, and 7 ply composites that ranged from 68g-76g. I found that I have to be careful with how the epoxy resin is applied to not get excessive pooling between the individual fibres, especially with non spread-tow fibres, as there are so many crimp points. Also, core materials make a huge weight difference. Obeche is a good 35% heavier than Kiri. I tend to use thinner cores when I use a heavier wood (I have several Western Red Cedar core blades). Its all a learning experience and lots of fun :)
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Chris
--- Custom Blade made by me Donic Bluestorm Z1 Donic Bluestorm Z2 |
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Tinykin
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Posted: 08/23/2018 at 4:38pm |
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Threads like this make me think that, comparatively, my talents are so insignificant. |
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Blade:
Darker Speed90 Rubber Fh and Bh DHS Hurricane 3, 39/38deg Delusion is an asset |
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jpenmaster
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Posted: 08/23/2018 at 5:57pm |
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Honestly you could build something similar. It's just about finding the right materials a little research on laminating and some patience. Maybe one day I should make a DIY video.
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jpenmaster
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Posted: 08/24/2018 at 5:29pm |
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Koto/ALC/Spruce with an Ayous Core like my last blade but the BH is Black Limba/Spruce and ALC on the core like an innerforce.Handle material is dyed quilted maple
   Edited by jpenmaster - 08/24/2018 at 5:32pm |
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mark20
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Posted: 08/24/2018 at 5:35pm |
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I was trying to have a blade customize something like than. One side is Outer layer and Inner Layer. Composition will be Koto- ALC-Limba-Kiri-ALC-Ayous-Koto. The concept is Viscaria and N301 as one blade.
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azv
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Posted: 08/24/2018 at 6:00pm |
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Both blades look amazing, how do they play?
You should totally do a DIY video
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TSP Swat, V15 Extra, LP
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jpenmaster
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Posted: 08/25/2018 at 12:46am |
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Well first test was a little disappointing. I have built myself some type of Super Viscaria. It's fast, like really fast. My coach uses Amultart and he was like wow this is fast. I used less epoxy in the 2nd blade and it's fast too. Maybe I should use veneer glue on the wood to wood joints or maybe run the wood grain in the same direction instead of having the inner wood layer perpendicular ? R&D will be fun.
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slevin
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Posted: 08/25/2018 at 3:26am |
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what was the blade thickness?
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Trade feedback:
http://mytabletennis.net/forum/forum_posts.asp?TID=50787 |
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jpenmaster
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Posted: 08/25/2018 at 8:29am |
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First blade is 6.0mm and the second is 5.8mm
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Baal wrote: