Description of the Bug
1.12.2 RailCraft Alpha 7 Flux Cart Unplaceable bug

To Reproduce
Steps to reproduce the behavior:
1.Try and Place block/cart '...'

3. See error ..... there is none

Expected behavior
A clear and concise description of what you expected to happen.
ummmmm the cart should place..... ;/

Screenshots & Video
https://www.youtube.com/watch?v=vw4TjsjjKxg

Environment

• Version [e.g. Railcraft 12.0.0-alpha-7]
  -Forge version. 14.23.5.2772
• Possible conflicting mods and their versions. no other mods installed

Additional context
Add any other context about the problem here.

Another aspect of #1545

I have a fix sitting on my computer, but I want to completely redesign how cart speed is calculated instead of just a half ass patch.

#1545 fixed.