The resin you are using is too thin. It drains before it can kick off. Technicians will usually bump it off by adding MEKP so that it sets before...
Should not be a problem wetting out a 1708 (DBM with mat) with VE or Poly. Could be your resin viscosity. Highly viscous /high shear resin makes...
mvoltin- This is not the first time. We have encountered the same problem. We were laminating Derakane 411 over polyester gel coat and it is...
So you feel I am trying to one up you. So sorry to rain on your parade. Don't be so sensitive. While I admire your knowledge on materials, your...
My stick is bigger than yours conondrum.
We are also a member of ACMA and we follow the best practice in the industry in accordance with the manual. We frown upon overnight curing as we...
Time interval between Gelcoat & First laminate https://www.boatdesign.net/threads/time-interval-between-gelcoat-first-laminate.60330/
Tacky dry is the term used. In general, the next layer is applied when it is tacky dry. Color does not transfer to the fingers. Gelcoat that has...
If you are leaning towards ISO, then 12215-5 has the formula for bending moment, deflection and minimum skin thickness. The min thickness requires...
LR Class Rule requires a max bending criteria that must be complied with. This can be met if the Aspect Ratio of the panel, the modulus (or...
Thank you JE. Seems this is relatively new as it is dated 1984. I have seen Tsai Hill and Tsai Wu theory but this one includes the Mohr's circle....
It depends. In the mast compression load article, there are three methods. The first asking about mast weights, loads, ect. which outputs the...
Here is the simple one. My initial calculations showed that the sum total forces on the riggings (tightening) will quickly exceed that of the...
This was posted a long time ago. The original is in Russian but I have used google translate for most of it. For serious designers only as the...
We use spray adhesive to hold things together during infusion. I remember it is 3M but ask your supplier for the exact product type.
