Air Compressors

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OK. Air Compressors. I know that I said that you probably wouldn't need to buy many expensive tools - and I know these jewels are expensive.

If you have a big repair to make, AND you don't have an air compressor, you have a BIG decision to make.

FACT: You will be doing a lot of sanding.

FACT: A dual-action sander is the grand-daddy of sanding fiberglass

FACT: Did I mention that you'll be doing a lot of sanding?

Anyway, you get the drift. The ability to use a DA sander is crucial to taking on a big repair.

I know, I know - there are electric DA's available. I've used them. As a matter of fact, I used them exclusively to do MAJOR repairs on several boats before I discovered the air DA.

Also, an air compressor may be needed to use a paint gun when finishing the repair.

These things are expensive. If you don't already have one and are considering taking the plunge, here are a few things to consider:

First, look at the capacity of the compressor/tank combination. Most have sufficient pressure capability - about 90 psi is all you'll need. Look closely at the SCFM (Standard Cubic Feet per Minute) rating of the rig. Some air tools are HOGS when it comes to air use.

If you're going to brush on your finish (not going to spray with a HVLP paint gun), you can get by with about 4-5 SCFM at 90 psi. This puts you in the neighborhood of the 33 gallon tank, 1.5 hp compressor setups. These can be had for $300 and lower.

If you want to spray your finish, plan on about $500 for a 60 gallon tank, 3.5 hp model. When you get up into this range, you have also probably outgrown a simple 120V circuit. Can you say 240?

Of course these prices are for new, name brand equipment that will be more than adequate for occasional use.

Also consider the noise level. You probably don't want a large compressor cutting on and off right outside of your sleeping baby's room.

Look at the oil-free models. These are usually less expensive and are adequate for most home users.

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