I found this in the photo of the moment, but cannon't read the writing because of the poor quality.  Anyone done one of these or know where the scan came from that I could get a better copy of it?

Pete

I like it and think I will build one since the ones I've bought in the past have been poor quality.  What parts can't you read?

3/16" heavy wall plastic tube filled with mineral spirits
1/8" ball bearing
2 o-rings on the outside of the tube
Plug the tube with 1/4" aluminum rivets
The back is probably aluminum with the ends bent at 22 1/2 degrees?

Hope this helps.

Have a look at this link, I saw it mentioned in an older flying mag as a cheep effective slip/skid gauge.  It's called a Levogauge 2  
http://store.hamiltonmarine.com/brouse.cfm/420572.htm   The gauge is tipped in the picture, the ball that should be in the center is off to the left.   They also use these on crains and rough terrian forklifts to level the machine when lifting.  Jim Chuk

sorry but on that last post I left out a comma in the link.  Try this
http://store.hamiltonmarine.com/brouse.cfm/4,20572.htm    Jim Chuk

now the link is grabbing my first name         http://store.hamiltonmarine.com/brouse.cfm/4,20572.htm

I can.t find this gauge at Hamiton Marine no matter what I try. Charlie

GOT it.  Try this.  Charlie  http://www.hamiltonmarine.com/0157.html

I believe this is a 'new' link to the same...

https://www.amazon.com/Sun-Company-Lev-Gage-Shatterproof/dp/B00HZFKKEY

Good link to the original article pappyadkins.

If the Hamilton Marine link in the other posts was this: https://shop.hamiltonmarine.com/products/levogauge-clinometer-45-0-45-degree-31176.html, then I have seen these   45 - 0 - 45 degree clinometers on several home built aircraft panels.

As a word to the wise, these are totally not what you want for a slip gauge. These are intended for boats, which heel over. I assume this type of instrument is fitted by newbies who think the gauge will display angle of bank.

They will not register angle of bank on an aircraft, as of course in a balanced turn, no matter what the angle of the wings make to the horizon, the clinometer will show zero deflection.

A slip gauge indicates the amount an aircraft is skidding & slipping, i.e. the angle the longitudinal aircraft axis makes with the airflow when nominally flying straight & level, with the wings banked to keep flying straight. So it will rarely show a deflection more than, say, 5 degrees left or right. The aim is to keep the ball in the middle throughout the flight.

Apologies to those who already understand this, but it may be of interest to those builders who don't yet fly.

Bruce

The nice thing about this is that you don't need the bracket. It could be mounted directly to the instrument panel with properly positions adel clamps. For the truly cheap, safety wire could be used.