rock n roll hinges

hi does any 1 have any decent instruction on rnr hinges jk 1s are crap

 

ive only got the jk ones they are a bit hard to get your head round at first
heres a couple of pics that might help you work things out

 

I am going to help fletch build this one day I ve taken Some measurements off my westie r n r bed

R n r bed
Westie style

Seat base 1340 x 509 x1
Seat back 1340 x 440 x1
Base front 1550 x 340 x1
Bottom 1330 x 320 x1
Shaped bits 380 x 290 x2


<100>| | < 100>
----------------------------------
<. 1550. >

All 18 mm ply

 

What size did did you make your seat back and and base and how high is your base board

 

i will take some mesurements for you when i get chance i cant remember off the top of my head here,s another pic when i was halfway through it