princeout
.375 Atomic
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Posts: 2,015
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Post by princeout on Mar 18, 2019 11:39:00 GMT -5
...titanium
Anyway,
steel density is from about 7.8 g/cc to around 8.0 g/cc, depending on the makeup.
Brass is about 8.6 g.cc, so maybe 10% heavier than steel.
Titanium, on the other hand, is 4.5 g/cc, so less than 60% of the weight of steel.
Aluminum is the winner, at 2.7g/cc, a bit more than 1/3 the weight of steel.
Strength, with a big boomer, might be an issue with aluminum, but I think it would be great for most factory calibers.
Tim
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Post by potatojudge on Mar 18, 2019 11:45:01 GMT -5
Those are rough-cast prices. Since these all need to be oversized slightly and fit, you could control costs by leaving the removal of tool marks up to the builder. In fact, if you wanted to leave the back straps flat it would leave some meat for us who like a fatter grip and could cut costs forming that radius. FA basically does this.
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Post by magnumwheelman on Mar 18, 2019 12:19:59 GMT -5
again... that is not my business, but I didn't just fall off a turnip truck either  I would guess we'll have to come up with some range + or - ... drop in would be nice, but might be more than could be expected, depending on Rugers tolerances??? |
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Post by leftysixgun on Mar 18, 2019 12:24:08 GMT -5
I might be interested....Im paying attention, lol
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Post by bushog on Mar 18, 2019 12:26:45 GMT -5
Those are rough-cast prices. Since these all need to be oversized slightly and fit, you could control costs by leaving the removal of tool marks up to the builder. In fact, if you wanted to leave the back straps flat it would leave some meat for us who like a fatter grip and could cut costs forming that radius. FA basically does this. You know what those guys charge to finish one of those Powers grip frames? I do....  Rougher cut would cost even more. It's spendy just to have the rough Ruger grip frames fit Best to have them pretty close....... |
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Post by kings6 on Mar 18, 2019 12:47:48 GMT -5
It would seem that with the rarity of brass Bisley grip frames this would have been looked into by the most well known gunsmiths already. I know John Linebaugh has them cast rather than machine them but I am not sure of the actual composition If I remember correct it is an alloy rather than straight brass. Not trying to rub stuff in but with the couple I currently have I would not be buying any more.
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Post by harveylogan on Mar 18, 2019 12:53:52 GMT -5
A Power Custom Brass 2pc Brass Grip Frame has been $250 + ship ~$10, it’s nice, CNC’d.
The thinking of getting a CNC’d grip frame for what Midway sells a Ruger cast grip frame is hopeful at best.
Just the bar stock is going to be in the 60$ range.
2 piece would be somewhat less as the nesting of the parts would increase the yield.
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Post by magnumwheelman on Mar 18, 2019 13:30:51 GMT -5
thanks for all the comments guys... 2 piece would in fact be less throw away chips... alloy is an interesting question that deserves a little looking into...
( I'm not this smart... this info gleaned from the www )
360 Brass is a free machining alloy, that, in the half-hard condition, has properties that are very similar to steel.
C360 can be brazed and soldered and is not heat treatable
We find that the vast majority of customers, though, use alloy 260 or alloy 360. Our brass plate and sheet come in alloy 260, or as it is better known to our customers, yellow brass or cartridge brass (so called because it is used to make shell casings). The extrusions we carry in brass (square bar, rectangular bar, and round) are alloy 360, known as free machining brass. As the name implies, it has good machinability, but it is not suited for forming applications. You can find more information clicking on the little "Need Help Choosing?" buttons. If you need 330 brass, naval bronze, or some other exotic alloy, give us a call
C385 Brass Architectural Flat bar is commonly used for ornamental trim, handrails and hardware. It has excellent formability when heated and is easy to machine.
C385 is not heat treatable.
C464 (Naval Brass) offers high corrosion resistance to seawater. The substitution of tin equal to the same amount of zinc allows naval brass to be resistant to dezincification, but also gives greater strength and rigidity. We also maintain an inventory of rounds and square corner hex bar.
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cmh
.401 Bobcat
Posts: 3,745
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Post by cmh on Mar 18, 2019 14:20:17 GMT -5
Depending on price Id definitely be in for one or two.....
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Post by 38 WCF on Mar 18, 2019 15:09:11 GMT -5
I would be interested.
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Post by win1894s on Mar 18, 2019 17:38:31 GMT -5
I would like a number 5 frame.
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Post by magnumwheelman on Mar 18, 2019 17:49:15 GMT -5
Talked to fabricator buddy tonight... He is bending some parts for CNC guy, so will be talking in a day or so... Fabricator thought CNC guy may choose to water jet the parts... But discussions are on going...
The labor expensive part of this is programming the machine... Will likely only do one grip profile...
A #5 would be out, unless someone was willing to give one up for a while... Bisley would be easier, since I have a couple, and only live a few miles from CNC guy
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medicdave
.327 Meteor
Posts: 653
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Post by medicdave on Mar 18, 2019 19:06:22 GMT -5
I'd be interested as well. Why not base the machining off of an unfit casting rather than a finished frame to avoid being undersized?
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cmh
.401 Bobcat
Posts: 3,745
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Post by cmh on Mar 18, 2019 22:09:55 GMT -5
I too think an unfinished casting would be better..... I’ve played the used frame game and have sold more than I kept because they were undersized.
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Post by ncrobb on Mar 18, 2019 22:40:13 GMT -5
Another “I’m interested” here.
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I would guess we'll have to come up with some range + or - 
