Questions & answers

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Questions in Automotive

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23 questions

Best way to cut dry carbon fabric without it fraying?

✓ AnsweredRoy52

How do I stop the weave distorting over compound curves?

✓ AnsweredSteve27

Does dry carbon fibre fabric have a shelf life?

✓ AnsweredAllbase team22

I always seem to mix too much resin and bin the leftovers, how do I cut the waste down?

✓ AnsweredRoy26

Infusion & bagging

Can I still infuse a big warm mould if the resin looks like it will gel before the part fills?

✓ AnsweredIan44

How do I work out how many layers of carbon a part needs?

✓ AnsweredJohn41

How do I drill carbon fibre without it splintering or delaminating?

✓ AnsweredIan38

Do I really need to seal end-grain balsa before hand-laminating or is that overkill?

✓ AnsweredSteve22

Resins & adhesives

What should I use to bond an aluminium bracket to a GRP panel?

✓ AnsweredSteve33

Is carbon fibre dust dangerous to sand, and what precautions do I need?

✓ AnsweredAllbase team45

When should I use unidirectional carbon instead of woven fabric?

✓ AnsweredSteve34

Infusion & bagging

Why do I have dry patches near the vacuum line on a finished infusion?

✓ AnsweredJohn40

Why do I keep getting pinholes in the clear coat over carbon?

✓ AnsweredRoy63

Resins & adhesives

Some patches of my epoxy are still tacky a day later, did I mix it wrong?

✓ AnsweredIan52

Is a carbon-aramid hybrid worth it for an impact-prone part?

✓ AnsweredIan19

Do I need to isolate carbon fibre from aluminium fittings?

✓ AnsweredSteve71

For infusing a large flat deck, is grooved and scrimmed foam worth it over plain sheet?

✓ AnsweredIan26

Resins & adhesives

My resin casting got smoking hot and cracked, was it too thick?

✓ AnsweredJohn37

If I swap to a bio-based resin on my next layup, will it handle the same as what I use now?

✓ AnsweredJohn41

Why can I see the outline of the core squares through my gelcoat after a few weeks?

✓ AnsweredRoy58

Resins & adhesives

My cured epoxy has a greasy film and the next coat won't stick, what happened?

✓ AnsweredSteve44

Infusion & bagging

My bag keeps dropping vacuum overnight, where should I start looking?

✓ AnsweredIan57

Resins & adhesives

Is it worth using epoxy over polyester for a mould tool, or is that overkill?

✓ AnsweredRoy28

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