height adjuster for table mounted router

**mick59wests** · 11th June 2007, 09:34 PM

When I was looking at mounting my router in a table (I have a Ryobi table saw combination which has a place to mount my router) I looked at all the do it yourself height adjusters for table routers and thought 'this is all too hard'. So I did what I thought was simpler and built a little table and mounted an old car jack on it. Probably lots of people have done this before but I didn't see it anywhere so wanted to share my idea. I just use the jack handle to adjust and I should be able to get precise adjustments althought I haven't worked out how many mm adjustment is a quarter turn.

I'd be interested in other simple ways of doing this and what others have done as adjusting by hand is awful. This of course covers all types of routers. I also hand routed a small impression of the car jack base into the table to make it a bit more sturdy.

Mick

**bpj1968** · 11th June 2007, 10:15 PM

Mick, I have seen similar methods with car jacks. There is no constant relation between the cahnge in height per turn. When closed it takes a lot of turns to open a little and when fully opened one tunr makes a huge differnece. (It probably is an equation relating to the sine/cosine of the angles, Trigonometry at school wasn't a complete waste after all)

Have you removed the spring from the router, it makes lifting easier. Dont forget to still lock the router once you reach the required height, it eliminates the lttle amount of play.

Pretty flash table as well for the use

**mick59wests** · 12th June 2007, 01:18 PM

Thanks for the tips.
I should have worked out that the height adjustment will NOT be equal due to how a car jack works.
The table (my first 'without help' project) was made from pine from an old bed. It was the good strong timber I had available.
I might have a look at the springs but remember seeing other threads where taking them out was a pain.
I'll remember about locking - I probably would not even have thought about it until I had had my share of problems!
cheers
Mick

**dazzler** · 12th June 2007, 01:25 PM

Simple but good

**David L** · 12th June 2007, 08:58 PM

Your are probably better off leaving the spring in to provide resistance, after all it no effort to raise the router anyway. Good idea.

**rat52** · 12th June 2007, 10:18 PM

I just love simple things that work.

The ingenuity of forum members never ceases to amaze me.

**Bob38S** · 13th June 2007, 11:23 AM

G'day Mick and welcome aboard I have posted this a long time ago but it still works well and may just give you some other thoughts.

http://www.woodworkforums.ubeaut.com...ad.php?t=23893

Regards,
Bob

**mick59wests** · 13th June 2007, 01:29 PM

thanks for all the feedback. If nothing else, it is encouraging. Also, the link to a previous thread using a car jack will make me search more thoroughly next time. There are definitely some things to think about, especially the pressure (and potential blocking) on the air vents.
Mick

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