To Vac or Not to Vac

[erospawn]

One more thing to note on that as well.. You don't necessarily need to degas the rubber, although doing so will make your life much much easier... I did it this way a few times while getting the vac stuff sorted out. The trick is mix slowly... then get as high as you can and pour the thinnest stream of rubber in to your mold box, pour slowly. When you pour it, don't pour directly on top of the part. Let it rise up and slowly cover the part to be molded. It will take time and usually does well under pressure...so, if you're desperate to get started, you can try that.. But, degassing is much a better way to go.