Search found 444 matches

by Rick
Tue Sep 03, 2019 7:40 pm
Forum: Live Steam
Topic: Piston Ring Port Sizing
Replies: 3
Views: 533

Re: Piston Ring Post Sizing

Jim
Lima's standards do not have any info on port design.
by Rick
Tue Sep 03, 2019 9:31 am
Forum: Live Steam
Topic: Piston Ring Port Sizing
Replies: 3
Views: 533

Re: Piston Ring Post Sizing

Jim
In two stroke engines the racers will go with exhaust port widths up to 60-70% of the bore.
I have a copy of Lima's standards, don't know if there is anything in it about this but I will look tonight.
by Rick
Sat Jul 20, 2019 8:39 pm
Forum: Live Steam
Topic: Anyone printing in wax?
Replies: 14
Views: 1967

Re: Anyone printing in wax?

I have bought a spool of thus but haven't had a chance to print. Looks very promising.
https://us.polymaker.com/product/polycast/
by Rick
Thu May 30, 2019 2:30 pm
Forum: Request For Services
Topic: Looking for a mentor and a place to use machines.
Replies: 7
Views: 5285

Re: Looking for a mentor and a place to use machines.

Harold

Your post reminded me of a saying I heard about musicians but it can be applied to any skilled endeavor.


"An amateur musician practices so they can get it right, a professional musician practices so they can't get it wrong"
by Rick
Fri May 10, 2019 3:57 pm
Forum: Live Steam
Topic: ASR Reading T-1 2100 Video Update
Replies: 3
Views: 1360

Re: ASR Reading T-1 2100 Video Update

Harold
The video worked fine for me
by Rick
Tue Apr 23, 2019 8:46 am
Forum: The Junk Drawer
Topic: Backing up computer files
Replies: 27
Views: 6676

Re: Backing up computer files

We were having trouble figuring out what to do with all these photos my wife and daughter and myself were taking with our phones. I went searching and found out about NAS (network attached server). They are not very expensive and have many features that are handy , at least for me. The one I use is ...
by Rick
Sat Apr 13, 2019 7:01 pm
Forum: General Discussion
Topic: Small Diameter Slitting Saw
Replies: 13
Views: 3204

Re: Small Diameter Slitting Saw

Thanks Harold
Yes forgot to mention relief. Some I have done worked without having to relieve others had the be relieved. Just have to try it and go from there.
by Rick
Fri Apr 12, 2019 8:09 pm
Forum: General Discussion
Topic: Small Diameter Slitting Saw
Replies: 13
Views: 3204

Re: Small Diameter Slitting Saw

Look at woodruff key cutters. McMaster has a 3/64 (0.047)thick 0.5 dia. Don't know if that is close enough for you application or not. I have taken woodruff key cutters and ground the thickness to what was required on a surface grinder. Clamp them in a v block in the vertical position and grind as r...
by Rick
Thu Mar 21, 2019 2:20 pm
Forum: Live Steam
Topic: Women in the hobby?
Replies: 57
Views: 7754

Re: Women in the hobby?

Here is a sign in our shop
Don't care if its manual or CNC its still just a tool for a skilled person to use.
by Rick
Mon Mar 18, 2019 10:46 am
Forum: Home Shop CNC
Topic: Thread Milling
Replies: 30
Views: 8984

Re: Thread Milling

I have done thread milling pretty much like Rich stated above. Done both with CAM (G-code) and by conversational programming on my Hurco which has a Helix feature. Only difference than what Rich does is I use a single profile cutter in place of a single point cutter like he does. https://www.mscdire...
by Rick
Sat Feb 23, 2019 1:24 pm
Forum: General Discussion
Topic: Parallel Keeper
Replies: 8
Views: 1592

Re: Parallel Keeper

Rubber bands around the jaws and parallels
They don't hold up the best but work at any jaw opening
by Rick
Wed Feb 20, 2019 9:55 am
Forum: General Discussion
Topic: Initial advice for new Sherline lathe and mill
Replies: 2
Views: 810

Re: Initial advice for new Sherline lathe and mill

Hi Chris Welcome To answer your questions 1. Spanner tight, Tightness is relative to what you are holding in the collet. Tightness for a delicate piece will be greatly different than that of a cutter/endmill. 2. Check out this link explaining Watchmakers lathe collets, it will give you more info tha...