If you are thinking of doing something like this with a ball screw you to check out the electronic lead screw group. They have already worked out the bugs and...
17137
Pat Delany
rigmatch
May 17, 2013 9:28 pm
Still like my thread follower! Pat ________________________________ From: pokerbacken <no_reply@yahoogroups.com> To: multimachine@yahoogroups.com Sent: Friday,...
17138
David G. LeVine
sirdave144
May 18, 2013 12:34 am
... In general, small horizontal engines are splash lubricated anyway (look for the vane which looks like it should do nothing on the connecting rod), most...
17139
Chris Tofu
rampaginggre...
May 18, 2013 2:34 am
I got the Asus TF300t for 280$ (could have saved another 35$ if I waited 2-3 weeks). 10.1". I like to watch things on the big screen ;). I was looking at the...
17140
Adam Simmons
xyrth
May 18, 2013 2:36 am
If it doesn't do RPN, it's useless to me....
17141
Chris Tofu
rampaginggre...
May 18, 2013 2:57 am
Heretic! Apostate! How could you not fall in love with it immediately??!! Such inconsequential little details! (I am sure it has RPN though). Are you using the...
17142
Adam Simmons
xyrth
May 18, 2013 3:53 am
I use my 48G & 42 on a daily basis -- the enter is in the right spot on both. I just got one of the newer 35S's, which is pretty damned good. The Prime looks...
17143
Chris Tofu
rampaginggre...
May 18, 2013 4:24 am
I've had 48's, beautiful, the slimness factor never seen before or after. Slow though. The 49g had a good feel also, rubber keys, was ok by me personally...
17144
pokerbacken
May 18, 2013 5:29 am
I dare say that the controller card for those leadscrews has microcontroller and supporting cast of chips, those together do the "simple" math involved....
17145
Chris Tofu
rampaginggre...
May 18, 2013 6:04 am
Aha gotcha. I do rather think he meant no standalone pc. A sales-punk at Bestbuy made the curious declaration "it's not a computer" referring to an iPad. Chalk...
17146
Pierre Coueffin
darkblood_
May 18, 2013 6:52 am
I run the droid48 emulator on both phone and tablet....
17147
David Hair
dhlh1984
May 18, 2013 5:05 pm
It sure does, what I was trying to get across is it doesn't need a laptop or desk top to run it. I think the little controller has something like 25 buttons....
17148
Tim
timmie59
May 18, 2013 5:33 pm
Hi Gregg, I'm just a tinkerer always working against the obstacle of little or no money. I had a similar idea only I was going to use the engine as the...
17149
Chris Tofu
rampaginggre...
May 18, 2013 5:53 pm
Look a the Prazi/Hobbymat deign. Essentially - an aluminum block for a headstock - w/2 parallel bores (1 for spindle, other for ways), a shaft for the ways,...
17150
David G. LeVine
sirdave144
May 18, 2013 9:38 pm
... Tim, Using the piston to drive a power hacksaw is similar to the old PM filing machine from a refrigerator compressor. Best practice on a power hacksaw is...
17151
michael broadbent
bargemaster24
May 19, 2013 7:54 am
In the past I have used the fuel pump of a car ,the old mechanical ones driven by an offset cam. The type I used had a priming lever fitted with a home made...
17152
oldhermit
May 19, 2013 1:54 pm
If I remember there was an article around 1963 on how to make 2 bench top saber saws. The stroke from one was provided by a small engine and the other by a...
17153
john baird
alexandra.le...
May 19, 2013 4:35 pm
Hi, leave the engine complete, start it up, and use it as a self powered headstock. regards jb...
17154
Bungee
gtmcfarland
May 20, 2013 11:00 am
Hello all. I am glad I posted here. The engine is a vertical shaft and would need to be mounted on its side on a frame. I never èven considered lubrication...
17155
Adam Simmons
xyrth
May 20, 2013 10:58 pm
I actually use realcalc on my android devices, mostly for the conversion functions....
17156
Pierre Coueffin
darkblood_
May 21, 2013 4:43 am
I should also mention that Marvin Klotz' machinist software utilities work under dosbox on my tablet......
17157
Chris Tofu
rampaginggre...
May 21, 2013 6:33 pm
Zounds dosbox for tablets! Android or ipad? Or both?...
17158
Pierre Coueffin
darkblood_
May 22, 2013 2:26 am
Android. Both my tablet and my phone......
17159
Bungee
gtmcfarland
1:32 am
Hello. Pat mentioned that the carriage would need to be heavy to prevent chatter. Is chatter strictly a function of carriage weight or can it be reduced by...
17160
Bungee
gtmcfarland
1:43 am
I see talk of machining the bearing for a final lathe using a quick and dirty temporary lathe. I saw some pictures but was wondering if someone can point me to...
17161
Chris Tofu
rampaginggre...
2:01 am
Perhaps this is well known or has been discussed, but homemade babbitt nuts are alleged to be very durable. A friend described the construction: build an...
17162
David G. LeVine
sirdave144
5:50 pm
... Well, yes and no. A well damped carriage will be less likely to chatter, faster /or/ slower can reduce chatter, etc. Chatter often occurs when the...
17163
David G. LeVine
sirdave144
5:53 pm
... Many of the zinc alloys can be used for this also. They are low melting point (well, lower than cast iron or aluminum) and wear well. They are about as...
17164
pokerbacken
6:34 pm
uhm, about as strong as steel? Not the ones I have seen at work (heavy machinery). True they are strong but still not as strong as the better bronze varieties...
17165
David G. LeVine
sirdave144
9:14 pm
... Actually, 1018 steel (low carbon) runs a yield strength of 53,700 PSI. Zamac 2 runs about 52,000 PSI. Steel is stronger, but not by that much until you...
