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matt souza

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  1. master H i just put together a 3hp grinder @ about 6500 sfm, with a 14" serrated wheel - to hollow grind anything that will take it - i found this thread looking for hollow grinding curves. remembering some from your books. I'm brand new at it - it's tricky
  2. hope this clarifies as for the blue, Charles - that's from a filter on my cheap phone, to bring out the details as the fuller isn't super crisp in person. I hope it's not too misleading - I'm probably wicked enough to get most any blade glowing, tho
  3. honored, Alan Thank you for your work on the forum. i have to remember, i finished this about a year ago - the handle was made like so: the guard and pommel are connected by sort of a frame construction, which gave the shape of the grip. iirc i wrapped it with just a layer of rayskin, epoxied. i laquered it with some automotive rattle can emerald metallic - along with the furniture (masked off the blade) then i had to trial and error cut out an over-wrap of green deer skin. I'll draw a picture, but picture a piece for a standard leather grip wrap, but with two ovals cut out - so that when the wrap is applied, seam at the bottom, the two ovals will be windows on either side of tne grip for the rayskin to show through. simple, not particularly easy to get the geometry, stretch and glue all correct in one shot - and I didn't. I've always liked the look of fullered grips. this is sort of a visual simulation. just an aesthetic thing, or artistic idea etc, but it feels good & probably looks better in pictures until i practice the technique some more
  4. finish-welded the stand, painted & hard-wired a 2 pole 3hp rated switch. and corrected an ugly weld on the front foot :{}
  5. instead of angle iron etc i used a 2" square tube - so the actual flat of the platen is just about 1-1/2" wide, and there's about 1/4" of radius on both sides where the belt can give a little
  6. about 19" Silicon Labelle 2 leather over rayskin stainless fittings green laquered 2nd photo is same blade, differential polish - i found it would require obsessive care to maintain - and it's my Daughter's.. 13, so i would have kept it tho - but the blade was just too meaty so i scrubbed it to regrind - finished on worn 220 grit (?) lengthwise on the 6x48 w/a softener on the platen
  7. 2x72 3hp belt grinder if my calculations are correct, it delivers about 6500 sfm at high speed. Dayton 3 horse 1740 rpm single phase with pulley speed shift. 3" & 6" contact wheels on the flat platen/slack swivel attachment - the platen is tube, so far the radius helps me to not gouge at the belt edge. imported 14" contact wheel that works great imo. throws down a spark shower, as i'd hoped
  8. Thanks Much - You can see that there's not much to it - Tho i'd austenize a bit hotter & maybe quench a little cooler with the 6150 i've got left - this one was a kinda soft The warm quench does give a minute or two for straightening -
  9. Mr. Deavers, Excellent use of 28 hours, very impressive. I did not realize i had posted in the middle of your project, which is definitely on the opposite end of the effort spectrum from mine - Keep it up & Thanks for looking, Matt
  10. From 3" x .375" 6150 flat. Ground to shape. Guard hot twisted around blade & normalized the whole thing. Clayed back, austenized @1550, quenched in 400F soybean oil. Finished on a Scotchbrite medium belt & Paracord wrapped. Started like this: Scabbard is aluminum from an old cheapie, modded with fiberglass wrap - no frills here Pretty quick & simple, as swords go & Thanks
  11. some of the high temp-salt composition/temps from MIL-S-10699A - i hope i am not breaching copyright, etc. and please read the actual document before you trust my typing. Converted to degrees Fahrenheit. CLASS 3 1150-1700F 45-55% KCl 45-55%Na2CO3 melts 1040-1090F CLASS 4 1100-1650F 15-25% NaCl 30-32% KCl 50-60% BaCl2 melts 1040-1070F CLASS 4A 1030-1400F 10-15% NaCl 25-30% KCl 40-45% BaCl2 15-20% CaCl2 melts 925-975F CLASS 5 1300-1650F 40-60% NaCl 40-60% KCl melts 1200-1250F CLASS 6 1650-2000F 5-15% KCl 85-95% BaCl2 melts 1400-1550F CLASS 8 1650-2350F 3-7% NaCl 93-97% BaCl2 melts 1525-1575F note* CaCl2 is an ice-melter salt, NaCl & KCl are common water softeners for wells/pools etc, and BaCl2 is sold thru fireworks suppliers. i think. low temp salts are also in the doc - i am leaving them out for now due to their volatile nature and my questionable proof reading - - matt
  12. i see that you guys talked about this back in Jan - but i couldn't access the link to MIL-S-10699B back then and didn't realize it's importance. Thank you for repeating, etc. -somehow i had mentally programmed that barium salts would depress the melting point - glad i was incorrect - spec sheets are good (for me ) -matt I am editing to post a few of the high temp compositions & temperatures from the MIL -S document - Please read IT and double check before you trust my typing. converted to degrees Farenheit. CLASS 3 1150-1700F 45-55% KCl 45-55% Na2CO3 melts 1040-1090F CLASS 4 1100-1650F 15-25% NaCl 30-32% KCl 50-60% BaCl2 melts 1040-1070F CLASS 4A 1030-1400F 10-15% NaCl 25-30% KCl 40-45% BaCl2 15-20% CaCl2 melts 925-975F CLASS 5 1300-1650F 40-60% NaCl 40-60% KCl melts 1200-1250F CLASS 6 1650-2000F 5-15% KCl 85-95% BaCl2 melts 1400-1550F CLASS 8 1650-2350F 3-7% NaCl 93-97% BaCl2 melts 1525-1575F low temp salts, CLASS 1-2 are in the doc - i am leaving them out
  13. I found MIL-S -10699B for free at asssistdocs.com. - 22 pages - i will read - but if you are still watching, Doug, i am going to second Howard's question for you about the salts temp range. - My salts are CaCl2/NaCl and a separate BaCl2. i may have to spice up the recipe for either to raise the hi-limit? i'd like one pot to hit 1725F to austenize S7 - asking before i try to go that high --- hope i got the formulae correct - matt
  14. Thank You, the salts are awesome - being up close and personal with them running is quite an experience - but still the realm of "i don't even know what i don't know" etc. will go for it carefully.
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