Dear Bruce Perhaps a a scrap yard for vehicle parts or other junked things. One could then use the 3 similar parts method that is used to make a flat surface...
10598
David LeVine
sirdave144
Nov 3, 2009 12:57 pm
... Keith, Without a concept for the poor machinist to work with, it can't happen very often. Let's start: Flat bar and thick plate: Yes, that can be done. ...
10597
David LeVine
sirdave144
Nov 3, 2009 12:47 pm
Let me see, guide rails. Where would you find them in the middle of Kenya? Lead screws. Same question. No, I am not being a "wise ass" but I am trying to...
10596
Andrew Mathison
andrew.mathison
Nov 3, 2009 12:47 pm
I am not certain that this will answer your question, but here goes:- There are some great ways to build an X Y table using chipboard, as thick as possible, I...
10595
Venkat
apexpreci2000
Nov 3, 2009 7:07 am
This drawing is a hurried job. Hope it helps. Venkat [BLOGGER_PHOTO_ID_5399769842417742130] ...
10594
Venkat
apexpreci2000
Nov 3, 2009 6:51 am
... Not really , Keith. If you have a lathe, the problem will be over. Stick (or insert) a round plate or board over the chuck. Before inserting , mark the...
10593
HB
scfpigs
Nov 3, 2009 5:26 am
One should be able to make graduated dials by using the apropriate spur gear (scavenged from junk car transmissions or flywheel gear) as an indexer plate to...
10592
keith gutshall
drpshops
Nov 3, 2009 4:53 am
Hello David Maybe it could be built from some flatbar and a thick plate? Â Use all-thread rod for the leadscrew. Â The graduated dials are the big problem to...
10591
Bruce Bellows
snookered1ca
Nov 3, 2009 4:32 am
I would build my own using linear bearings and guide rails. Even a bearing made from wood could be quite accurate, it's all in the care taken to make it. Bruce...
10590
David LeVine
sirdave144
Nov 3, 2009 2:23 am
When Pat built the first multimachine, he used an "X-Y table" as the carriage and cross slide. What would one do if such a device were either cost prohibitive...
10589
Nick Andrews
nicothefabulous
Nov 3, 2009 12:11 am
Okay, here is a link to get most of the Workshop Practice Series: http://www.katzforums.com/showthread.php?t=454045 For those who are looking for info on...
10588
keith gutshall
drpshops
Nov 2, 2009 6:55 pm
Hello Michael You right about the stuff I build, it is simple to constuct. Â I just use tool that most can get at the local hardware store. Â Â The spindle in...
10587
hepps_29646
Nov 2, 2009 4:14 pm
I think you're right Andy. Harold Epps...
10586
oldstudentmsgt
Nov 2, 2009 12:43 pm
Keith & Lance, I've just uploaded a thesis on using hardwood bearings, and how well they perform. Might be useful to us all. Please note, this isn't mine, I...
10585
multimachine@yahoogro...
Nov 2, 2009 12:21 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the multimachine group. File : /Hardwood...
10584
Andrew Mathison
andrew.mathison
Nov 2, 2009 8:08 am
I see no problems with this whatsoever. The size of the propeller dictates just how much wind energy is converted into torque to drive the wheels, a larger...
10583
Darwin Wandler
darwinwandler
Nov 2, 2009 5:43 am
What about cutting the rear end tube for the overarm or a Mac 1/4" wall drive shaft? Darwin...
10582
scott leighan
leighans
Nov 2, 2009 4:48 am
I remember reading in the MM file, that there was a scenario for a third world situation for building the MM. Basically, it involved scrounging a junk...
10581
Pat
rigmatch
Nov 2, 2009 4:16 am
Hi Bruce They announced it at the Faire but I was not really sure it was going to happen. Seems like it will now. I need to get a drawing that shows a block on...
10580
Darwin Wandler
darwinwandler
Nov 2, 2009 3:07 am
Lignum Vitae has been used for bearings for particularly in boat output propeller shafts due to its excellent non corrosive characteristics. No metal can do...
10579
keith gutshall
drpshops
Nov 2, 2009 2:36 am
Hello Lance  It seem to me like you have gone to a lot more work than you need.   You have some hard wood , could not you just use them as bearings? ...
10578
keith gutshall
drpshops
Nov 1, 2009 11:32 pm
Hello Pat  You are correct about a parts list.   The parts you need are going to be determined by the who manufactured  the block. Each manufacturer has...
10577
Bruce Bellows
snookered1ca
Nov 1, 2009 10:43 pm
Pat, How long has the MM contest been going ? I have the book format completed and I'm in the text proofing stage. I could also use some additional info for...
10576
Pat
rigmatch
Nov 1, 2009 10:27 pm
I just received word the Ghana based but (I guess) all Africa MM building contest is on and the MM "Genny" treadle alternator (and MM drive) drive may be a...
10575
Pat
rigmatch
Nov 1, 2009 10:15 pm
... Hi Heath There can't really be a definitive list because everything is determined by the size of the main block. I used a 300" Ford 6 cyl. block block and...
10574
Heath Matlock
heathnmatlock
Nov 1, 2009 9:36 pm
Is there a one or two page document with a listing of the parts mentioned in How to Build a Multimachine.pdf? -- Heath Matlock +1 256 274 4225...
10573
Bruce Bellows
snookered1ca
Nov 1, 2009 5:56 pm
We seem to have a fair number of members currently looking for machining principals information. This link...
10572
Alan Millar
grunthos503
Nov 1, 2009 4:13 pm
... The website for the books is at: http://www.lindsaybks.com/dgjp/djgbk/series/index.html - Alan...
10571
DennisF M
a1g2r3i
Nov 1, 2009 2:00 pm
Dear Venkat It is a Mill designed from the ground up by a chap named Dave Gingery; The late Dave wrote and illustrated in 1982 a series of books that I...
10570
Venkat
apexpreci2000
Nov 1, 2009 1:49 pm
Hope this is not a repeat post. I downloaded this book (56 MB in pdf). This is a nice book showing the great variety of designs prevailing pre 1919 in...
