Out of Autoclave (OOA) prepregs are taking off. Get a sample from the company and do a test part. If they want you to buy a roll, they will send samples. As for edges, the best way is to cut and overlap the dart, or cut then apply patches to those areas. Do not cut the same area on every ply, or there will be a large crack due to not having fibers reenforcing that corner!
Infusing is no problem ;), the cuts are also no problem, and the quality is better than an out of autoclav prepreg.
Working with an autoclav does not make it easier, it is different but not easier.
Find the cut
Thanks robski but they cant help 
Thanks guys, really hoping I can find a supplier without the need for autoclave.
Would make my life alot easier.
Hope dies last.
In how many companies have I been as consultant who changed tro prepreg because it is the perfect thing which does not work :rolleyes:
No method is perfect, you just have to know what you are doing. An autoclave curing process is not as easy as it sounds. It is very complex and from part to part different!
Amber composites come out on top on a google search…http://www.ambercomposites.com/prepreg/out-of-autoclave-prepreg/
Thing is we want the prepreg without the autoclave hassle 
Dominik you are a absolute wizard at this - Once again thanks for taking the time to talk to me. 
That is very very impressive and by far the best join I have ever seen. Just out of curiousity… what seat is that from?
Advanced Composite Group does some low temp prepreg for OOC.
Am I the only one getting a pop up for jasmine live everytime I look at DD’s photos? haha
Wade give marine ware a call they do a good range of SP systems low temp and high temp pre pregs these might interest you.
[b][FONT=Helvetica-Bold][SIZE=2][LEFT]SP Prepregs
SE 70 [/b][/SIZE][/FONT][FONT=Helvetica][SIZE=2]is a hot melt, low temperature (70ºc) cure, epoxy prepreg system. It has been developed for use in the
construction of large components using low energy cure cycles, and has an outlife of 30days at 23°C.
Excellent properties can be achieved at this cure temperature, particularly compressive and inter laminar
shear strengths.[/LEFT]
[/SIZE][/FONT][FONT=Helvetica-Bold][SIZE=2][LEFT]SE 84LV [/SIZE][/FONT][FONT=Helvetica][SIZE=2]is an exceptionally versatile hot-melt, epoxy prepreg, it can be cured at temperatures as low as
80°C, or it can be used for faster moulding of components at 120°C. This is achieved with an extremely good[/LEFT]
outlife of up to 56 days at 21°C.
[FONT=Helvetica-Bold][SIZE=2][FONT=Helvetica-Bold][SIZE=2][LEFT]SE 95 BL [/SIZE][/FONT][FONT=Helvetica][SIZE=2]is a black pigmented variant often used in carbon fabrics to produce a deep black gloss finish to the
outer surface of carbon components such as yacht spars and race car parts. It is tinted black to enhance the
carbon look of the component and give it a deep gloss finish. SE 95BL has a good level of tack, yet is[/LEFT]
drapeable and conformable for complex mouldings.
[/SIZE][/FONT][/SIZE][/FONT][/SIZE][/FONT]
Yeah, I get those too…
No, that seems to be new at this uploadpage. Sorry, I have to look for a new one.
I use mainly ooa prepregs in automotive application. Our biggest supplier is Advanced composites, from wich we use a body panel system. That’s somewhat similar to infusion in the curing cycle, but behaves like a prepreg in layup. SP/Gurit has a similar system, called sprint. I don’t have issues with pinholes, and an excellent surface quality, but you do have to keep some things in mind, oherwise you’ll have air trapped between the outer glass layer and the carbon layer. The resin is coloured, so you have to lay all the fibre’s perfectly on the mould surface, otherwhise you’ll end up with dark spots. I’ve seen excelent surface quality from SP Prepregs too, but not that much hands-on experience.
Delta from italy(mentioned earlier) also provides good prepregs. We had some troubles with (a lot) of pinholes, but some fiddling around with our cure cycle fixed that, so we had pinhole free surfaces. I get better results with “real” prepregs than “resin sandwiched” prepregs, and I find them nicer to work with. But Body panel systems do provide a faster layup, and therefore are cheaper. I’d say, contact the companies mentione here, get some information from them directly, ask some test samples, and work out the best methods for you.
The ones I use go as low as 65 degrees celcius. It seems the higher temperature does provide a better quality, so I prefer to cure at 100 degrees celcius. A lot faster too. also, the Tg is higher, not unimportant for a car with a black surface standing in the sun. A freestanding postcure is possible, so when your tooling can’t take the heat, you can cure at 65 degrees, and postcure later. Or just neglect it, an see what happens (our company slogan…)
ROFL !!!
Indeed Advanced Composites should be able to help you. John Nixon is one of the guys that can help you over there.
Cure cycle is the key to success, so make sure you have an oven you can control. Vacuum does the rest. Also ask which perforated film they recommend.
www.abaris.com do their some of repair training using vacuum bagged pre-preg in an oven they built themselves… couldn’t be used as a high volume production solution but small batch work may be suited to …essentially an out of autclave process
Ive used the SE84LV and adjoining SA80 adhesive films from Gurit - Available from Marineware in southern England who are very helpful
Just noticed Ambercomposites do an out of autoclave prepreg
http://www.ambercomposites.com/pdf/Amber_Composites_Key_Milestone_Alert.pdf