Would it be feasable to drill a hole, centered at the middle of the 50mm hole, from the top; then do this large cut from underneath the van? Just seems like you'd have much more room to work and less complicated. Don't these kind of "bits" cut by use of a center drill bit, with the hole saw rotating around it?

bob
> ----- Original Message -----
> From: "Gerald Masar"
> To:
> Sent: Saturday, January 22, 2005 10:01 AM
> Subject: cutting hole in van floor
>
>
> > I need to cut a 50mm (slightly less than 2") hole in the floor of my '90
> Westy to
> > install a gas furnace. It will be in the back corner of the small
> compartment to the
> > left of the fridge. I looked at holesaws yesterday, and besides being
> expensive to buy
> > one for just this job, I am wondering how well they would work on the
> uneven, ribbed
> > surface of the van floor. And the hole will come out 1/8" away from the
> main side
> > beam.
> > Any hints, tips, suggestions on how to do this?
> > Thanks
> > Jerry