Thanks guys, I have asked on a model site and apparently its a soft (ish) two part epoxy. Set very much like injection molded plastic. The vacuum is for getting the bubbles out before pouring. Stika is interesting as 4/5ths of our woodland is Stika pine. The blades are roughly 14" long and maybe 2.5-3" at the widest point, I cant find the pic but the helicopter was posted on here ages ago.
It flies ok but on landing last time I cracked a blade, you can buy them but they cost more than I think is worth paying lol, also I would like slightly longer and wider ones. I have seen some plans on a model site and the aim is to increase lifting capacity so i can use a small SLA battery. Its one of those projects I add bits to and tinker with off and on, the plastic would be handy for a number of things and as soon as I track it down I will post it. So many projects on the go at the moment so no rush.
I do have a large project I want to plan out, but will post this another time as I want to know if anyone else would be interested in doing it. Also with what I have in mind some suggestions for features would be great.
The carrot thing I will write up properly in a few weeks when I have investigated properly, I have a feeling its something you might be interested in John. Kind of biology and chemistry rolled together
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Been in town all day and totally shattered, the last few weeks studying until 4-5am in the morning has caught up with me. But one resit to do and just my project to hand in. Real exams oddly enough are in May!!! I was under the impression they were next year, but apparently I have been asked to sit them early with a higher year group.
This is going to massively shorten the dev time I had for the MK2 project of my project, which is what I am submitting for the real exam. Its not impossible to do the alterations in time but its really going to push my time to the limit, I hate working like that. Then again I guess in real life you have dead lines instead of the pick up and put down approach I normally have lol.
Guess my bedroom tidy is going to have to wait a bit longer