Revell Corvette bits for a mate

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Revell Corvette bits for a mate

Postby munter » Mon Jan 01, 2018 10:57 pm

I recently cast these inserts and side stripes for a mate who is restoring some old Revell cars...not too difficult.

That front bumper will be a whole new challenge though.....for another day maybe.

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Re: Revell Corvette bits for a mate

Postby munter » Mon Jan 01, 2018 10:58 pm

Those knock offs look odd on a couple but they are all good...must be a camera trick
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Re: Revell Corvette bits for a mate

Postby Mitch58 » Tue Jan 02, 2018 7:04 am

Rear bumpers are a common missing piece. Some guardrails, particularly Strombecker catch on any wrap around bumpers.
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Re: Revell Corvette bits for a mate

Postby mattb » Tue Jan 02, 2018 7:15 am

Looks good. A little modeling clay and some mold release and you will be able to make nice bumpers. Try making a two piece mold that has the bumper laying face down and the second part of the mold bwing a plug to push into the mold are that fills the back side of the bumper.

It might be possible to just make a solid mold of the bumper that is split on the back side. Sometimes you can glue a flat piece of plastic against your piece and the plastic becomes the mold seperater instead of making a 2 part mold.

My camera card reader has turned up missing or I would do an illustration of this method to make it a little clearer. I should have another reader in a day or two.
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Re: Revell Corvette bits for a mate

Postby munter » Tue Jan 02, 2018 1:01 pm

Got it Matt B....will think on a bit more about the bumper.
One of your tips has rung a bell. Thanks for contributing.
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Re: Revell Corvette bits for a mate

Postby chappyman66 » Tue Jan 02, 2018 1:59 pm

You can also pour the mold half deep, coat everything but one edge with mold release, and pour the other half over the top, creating a hinged mold. Poke a brass tube up from the high spot as a vent and start making bumpers. It worked well for the Mercedes gull wing among others.
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Re: Revell Corvette bits for a mate

Postby mattb » Tue Jan 02, 2018 6:46 pm

This method was shown to me by Chris Etzel (Etzel Speed Classics). Chris was a great modeler and made and sold a lot of true scale Indy car kits. He is sadly missed as he passed away about 2 weeks ago. He was the guy that introduced me to resin casting back int he 90's.

Picture one shows a bumper and a thin piece of plastic. Picture 2 shows how the flat plastic is glued to the back of the bumper. After it is glued and fits tight at the seam, it is put in the mold box with room all around it and is supported by the flat plastic sticking up out of the top of the mold box. Anyway you can hang it in the box will work. Rubber is poured submerging the whole bumper, but leaving the flap sticking up out of the rubber. After curing take the bumper out of the rubber. It is easy to hold the mold open and fill the cavity with plastic and let it flow to all areas and get the air out. Let the mold close and you have a bumper molded. Easy to pull it out of the mold and trim the flap.

this will work fine for lots of pieces, I usually only do this to make a couple pieces

bumper mold.JPG
bumper mold.JPG (180.59 KiB) Viewed 214 times
bumper mold 2.JPG
bumper mold 2.JPG (179.75 KiB) Viewed 214 times
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Re: Revell Corvette bits for a mate

Postby munter » Tue Jan 02, 2018 10:37 pm

A good tip, thanks.

I am going to revisit the front bumper when time and motivation join forces.
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Re: Revell Corvette bits for a mate

Postby BARC 1 » Wed Jan 03, 2018 2:34 am

I remember Chris from way back. Used to discuss things with him on compuserve at the very start of this internet thing. Sad to hear he is gone. He was a real Indy champion.
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Re: Revell Corvette bits for a mate

Postby HomeRacingWorld » Wed Jan 03, 2018 6:29 am

Excellent work sir. I have been attempting some smaller parts myself and so far staying with one part projects. You really captured excellent detail in those inserts.
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Re: Revell Corvette bits for a mate

Postby munter » Wed Jan 03, 2018 12:33 pm

Thanks, Harry.
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