Supra style spoiler

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Supra style spoiler

Author	Message
Jackso11	Jackso11 posted 11 Years Ago HOT Topic Details
Group: Awaiting Activation Posts: 4, Visits: 12	Hi everyone. I am new to making parts out of fibreglass and carbon and want to fully understand best methods before diving into various projects. One project I have is I want to make a hoop style spoiler like the ones found on the tailgate of a Toyota supra. There seem to be different methods detailed all over the net but I thought I would ask you guys for the best. Couple of simple questions: 1. Is it best to make it out of foam first then just glass over the foam? 2. Is it best to make two half moulds? 3. If I make it in 2 halves what is the best way to bond them together so it won't split over time, 4. Best way to sink mounting threads in the base of the spoiler? Thanks!
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TomDesign	TomDesign posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 454, Visits: 2.5K	Hi 1. Is it best to make it out of foam first then just glass over the foam? yes that way we do here samples for the mold. then sand and prepare part like to the paint job. what i do i brush to 800 grid or simply laquer surface so when taking mold surface you getting straight and mold glossy. 2. Is it best to make two half moulds? depends what you want to make if oem piece like interior then 2 pieces mold give you cosmetic finish and also gives you preassure to part become more stable from pressure. If you do wing or Hood you need double side mold. 3. If I make it in 2 halves what is the best way to bond them together so it won't split over time, when you finish second half mold do not demold but get drilled and do holes all over the mold near corners so after that take our item do new as example wing, lay glue around put 2 pieces together and where holes are for 10mm or 8mm holes put bolts and lock them all over. i hope you understand my amazing english )
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Jackso11	Jackso11 posted 11 Years Ago HOT Post Details
Group: Awaiting Activation Posts: 4, Visits: 12	So am I right in thinking the best way to make a supra style wing/spoiler is to make it out of foam first, but I can make it in 2 halves and then glue it together? I want to be able to make more than one the same, so 2 halves is the way forward I guess? I wasn't too clear on what you mean by bolting them together, how do I do this and keep the bolts inside when the halves will only be a few mm think, so nowhere to lose the bolt head or nut. Or do you mean just clamp it together before cutting it around the edges? I am just worried about it splitting with the air force hitting it when driving.
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Hanaldo	Hanaldo posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 2.5K, Visits: 28K	Spoilers just are made in 2 pieces, there's no way around it unless you invest in pre-preg and an internal intensifier of some sort like expanding silicone. Could maybe done with vacuum bag but not without practice. Point is, plenty of high quality spoilers being made in 2 or more pieces. Use the right adhesive and correct bonding procedure and it will take far more force than air turbulence to split it apart. If you get really technical you can build in spars which will both increase strength and bonding area.
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