All Sabre series vanes are designed to work best at a 2.5 degrees. BUT... feel free to play with your setup trying different angles. They do not need to be at 2.5 to work.

Most cyanoacrylate adhesives will work with the Sabre series of vanes. The offical Sabre series adhesive is recommended

No you don't. An isopropyl alcohol wipe is included with the vanes is all you need to clean the base. Then follow that up with a dry clean paper towel with 3-4 wipes.

You can, however, use a primer pen if it's part of your normal routine the same way you do with any other vane.

From my findings as well as Easton's... no.

Yes. Adding an additional vane will add some drag which can help steer an arrow. However, the Sabre series was designed to work best in a 3 fletch and a four fletch should not be needed.

2 Common mistakes:

1. If the front and back are lifting and/or sides are wavy.

You are using too much adhesive. Just a very thin continuous bead of Maxi-Cure is all you need.

The adhesive gives off heat as it cures and causes the material to heat up.

2. If you are just having adhesion issues:

There is still alcohol on the base of the vane. Go over the base with a dry paper towel 3-4 times until they feel the drag increase.

When CA adhesive touches wet alcohol it cures instantly and does let the CA properly wet the surface so you get bad adhesion.