Honing a full hollow

Hi,
All my razors are quarter hollows and near wedges but I have 1 full hollow which I never could hone up properly.
My brother has quite a large collection of razors and a lot of them are Thiers Issard full hollows and nearly full hollow , whatever they are called.
I do all his honing for him and I can knock his 1/4 hollows out of the park but I always fall down with the full hollows.
Could it be that the full hollow has less mass so there for requires a lot less honing or metal removal?
I have 5 of his blades in front of me and I'm gonna try and hone them up , I just thought I'd ask before I butcher them up again :)
PS I h8 full hollows :gaah:

Go with light pressure if bevel setting at 1K level. Thin steel will flex much. Using tape? There's not too much steel at the business end. IMO.
Mike

Full hollows flex extremely easily imo.it is possible to apply to much pressure especially during bevel set and damage your bevel which will show up later on.I'd use light pressure and finish extremely light.ymmv

Listen to Mike (Modine) he hones all my Extreame full bellied palmeras to perfection:)

is not so hard...but pay attention, use light touch as has been said before by our friends. I use always a 1 laywer of tape...is better
p.s. remember to lap stones if aren't so flat!!! if not with a extra or full hollow there is danger of jamming the blade with bad consequences

Lite pressure, as said, even bevel setting, if you use too much pressure you can lift the edge off the stone, the back of the bevel becomes a fulcrum when the blade flexes.

Ink on the bevel may help you gage your pressure.

Cheers guys, light light,light all the way. Ill have a go