Search found 4 matches

by rokket2001
Thu Oct 22, 2009 3:28 am
Forum: Scratchbuilding
Topic: A little math help, please
Replies: 25
Views: 33133

Umi is right - it's dead simple math. Scale math is always: ORIGINAL into TARGET. end of story. dead simple. Works for Up or Down. To make something that is 5mm long (ORIGINAL) = something that will be 8mm long (TARGET): 8 / 5 = 1.6 ...or enlarge 160%. MANY copiers enlarge up to 200 or 400%. Copiers...
by rokket2001
Fri Oct 16, 2009 3:19 am
Forum: Scratchbuilding
Topic: scale calculator program for my pc (is missing)
Replies: 13
Views: 16275

not to be all Old School, but a pocket calculator is pretty handy. Really a very simple calc even for me, a non-math whiz (or Master Unwhiz). Whatever the full size, divide it into the scale size. Original 1:1 = 100 ft (1200 inches) Scale target 1:350 = ??? 1200 / 350 = 3.4285 inches Even easier in ...
by rokket2001
Fri Oct 16, 2009 3:12 am
Forum: Construction
Topic: Casting Parts Is Hard
Replies: 9
Views: 7986

With some practice it's really quite do-able. Maybe this will help:

http://amp.rokket.biz/lib_resources
by rokket2001
Sun Oct 11, 2009 12:08 am
Forum: Scratchbuilding
Topic: Resin options?
Replies: 13
Views: 20342

Easy Resin Casting Tutorial

After striking out scouring many sources for a complete and informative tutorial, I ended up compiling and editing the info, and then working in my own experience, into hopefully a helpful document that covers it all:


http://amp.rokket.biz/lib_resources

Hopefully this will help