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Questions in Aerospace

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18 questions

Getting wrinkles around corners when laying up prepreg

✓ AnsweredSteve20

Infusion & bagging

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

✓ AnsweredIan44

Do I really need to vacuum bag prepreg?

✓ AnsweredIan24

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

✓ AnsweredJohn41

My prepreg isn't as tacky as it used to be

✓ AnsweredRoy12

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

✓ AnsweredIan38

Can prepreg be stored in a normal household freezer?

✓ AnsweredSteve26

Why let prepreg warm up before opening the bag?

✓ AnsweredIan11

Prepreg part still soft after curing

✓ AnsweredIan9

When should I use unidirectional carbon instead of woven fabric?

✓ AnsweredSteve34

My foam core dimpled and crushed at the edges under full vacuum, what did I do wrong?

✓ AnsweredJohn30

Resins & adhesives

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

✓ AnsweredIan52

Testing & certification

How can I check my finished parts actually hit the datasheet figures?

✓ AnsweredIan31

Infusion & bagging

How do I choose flow media and peel ply for a thin infused skin over foam?

✓ AnsweredRoy28

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

Testing & certification

Do I actually need independent testing here, or can I trust the datasheet?

✓ AnsweredSteve45

Infusion & bagging

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

✓ AnsweredIan57

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