how to make a radiator fan shroud

how to make a radiator fan shroudgrocery gateway promo code july 2020

It is the resin shrinking and pulling the fibers apart that causes that appearance. The first coat of matte was applied horizontally and the second coat applied vertically.

In this Tech Tip, a customer asked for some recommendations on water pumps for his 1934 Chevy Coupe build.

Have a monster radiator but your engine still overheats?

There will be an extra layer laminated around all of the edges to make the final part about 0.160" thick. This tapers the thickness down at the edge, making a smoother overlap.

You must let the first coat dry before applying the second. on the back side to pull against.

This will require a secondary lamination to form a return.

I used 1/8" masonite (sometimes called hardboard) to make the templates. - Posted in

and final one, used the second method with proper dimensions.

that the first one didn't fit. Then, give it a little bit of time, and it will soak in.

Also, if I was going to make several of these parts, I could sand and polish the surface, wax it, and use it to create a mold with which I could duplicate it many times over... The basic principle is to make a hardboard template of the fan and rad core and stretch material between the two. until it soaks through.

Not sure how clear this explanation is, here's a picture of the results.Get a good steel blade fan as big as you can use, I use a 17" fan without a shroud.

vertically down the middle. Compare These Parts I like Just clamp the shroud to the table, and lay up 3 layers of fiberglass mat.

It's often the case that part of the shroud will need to be perfectly round. Push the material into inside corners, stretching it as you go. I had a bunch of 2 lb polyurethane foam left over from other jobs, so I thought this project would be a good place to use some up. Fiberglass the material, cut out the hardboard templates and what's left over is your fan shroud - it is actually very easy!

The first coat will give a carbon fiber finish but will not be strong enough

Once the laminate has cured, the part can be removed from the table. Use acetone for clean-up. They focus airflow through the entire radiator as compared to just the area that is covered by the traditional fan, creating a vacuum that pulls air across the entire surface area of the radiator, thus increasing cooling. By simply adding the proper size shroud behind your radiator, you'll ensure that 100% of the radiator's surface area is used to cool your engine.Be the first to get new products, special deals & promotions!

A trick that professional 'glass guys use is to tear the edges of the mat.

Even your fingers can shape this foam quite easily and rapidly. You will need a long bolt to align the three template pieces together. I used small pieces typically 4" x 2" rectangles and smaller. This is a mistake and will only make a resin rich, inconsistent part.

To laminate the part, you will need the following: Just peel the foil layer off. On an exterior body part, air bubbles would not be acceptable. A hot melt glue gun makes gluing this foam fast and easy.

)To calculate the area that is covered by your fan, use the formula below.

Brush some resin on the surface of your buck. That cost me $15. You do need to be somewhat swift with this part of the laminating process. I simply tape the top off with some masking tape, then wax the tape with some mold release wax. Call After sanding with 80 grit, a final sanding can be done with 120 grit. You first apply a coat of fiberglass resin with hardner to a small area, cover it with matte then apply a coat of resin to the matte Learn how to wire dual electric radiator fans.

Using PVA will make removing the foam much easier after the part is laid up.

Most of it just pops right off, but a blow gun can be used to remove the smaller flakes. This Tech Talk will take you through some key questions to consider when choosing a cooling fan for your radiator.

Note how the laminate has a dull finish, with the fibers at the surface, but with no dry areas.

Once I have painted the buck with resin I can clay up any low spots with modeling clay, and then wax the resin. - Posted in

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