JETLAG03
Active Member
- Joined
- Jul 6, 2019
- Messages
- 380
- Location
- france
- Total Flight Time
- 300+ flexwing (pendulaire) newly trained on gyrocopter ((autogire)100h)
Hello. I have a 8.8 grade M10 teeter bolt and whilst there seems nothing wrong with it, simply because I don't know its history, along with all the other critical bolts I am checking sizes to replace them. I would like to use AN grade but cannot find metric sizes.
So, if staying with non- an bolts I find the sheer strength increases rather dramatically with the 10.9 and more with the 12.9 grade bolts.
Looking for advise, would you move up to 10.9 or 12.9, if not why?
I'm not an engineer and more than happy to be told my logic is flawed and why rather than simply change them and create a huge problem of myself.
regards
Phil
So, if staying with non- an bolts I find the sheer strength increases rather dramatically with the 10.9 and more with the 12.9 grade bolts.
Looking for advise, would you move up to 10.9 or 12.9, if not why?
I'm not an engineer and more than happy to be told my logic is flawed and why rather than simply change them and create a huge problem of myself.
regards
Phil