More than you ever wanted to know about v-nails

[Jamesnkr]

I can't think what I was googling, but I came across this article which I thought was quite interesting.

http://docplayer.net/36905658-At-first- ... airly.html

Three points I found particularly interesting:

“Some people put a drop of oil in the driver; others oilnails before putting them in the machine,” says Pistorius.“That way, every time you fire a nail, it puts fresh oilinto the track. Any glue that gets into the driver will constantly be wiped away.”

“The most important thing is to start with a good cut,”says Moriconi. “I check this by assembling three cor-ners. If the cuts are right, the fourth corner should haveabout 1/8” gap. If the last corner is closed, then you’llopen up the insides of the other corners when you joinit. If it’s open more than 1/8”, then you’ll open up theoutsides of the other corners. I

“A softwood nail is sharper and cuts through the fibers like a knife to create a stronger assembly in softerwoods,” says Convey of ITW AMP. “Hardwood nails are blunter and crush through the fibers of the wood."

[prospero]

That second point is a good one. That's why I always go all round with the outer v-nail and then go
round the inside. Working from back to front. Think about it...

[kartoffelngeist]

So you do the outside pin on all four sides then go back and do the inside ones?

interesting...

[prospero]

It's a matter of leverage.

If you take the four rails of a frame and pin around the outside, then put it on the table on it's edge and try to
rock it sideways, you can't.

Pin around the inside and do the same and the corners can open.

So if you do it like that bloke said so that the final corner doesn't quite meet, when you push the faces together
the three other faces are given a tiny extra cinch on the inside. The v-nail points act as a fulcrum. If you did the same
with pins on the inside the extra cinch is going to tend to open the corners.

Get my drift?

No?

Difficult to explain but do give it some thought.

[poliopete]

Perfect explanation Peter.

I recall this technique advised on one of your previous posts. Since acquiring our second hand cs89 and by using this method of joining the rims, we are more than pleased with the results.

Thank you for that tip and for the many others you generously give.

Peter