A frame type power loss experiment
02-07-24, 02:31 AM
#101
Senior Member
Likes For HTupolev:
02-07-24, 12:17 PM
#102
climber has-been
Join Date: Dec 2004
Location: Palo Alto, CA
Posts: 7,111
Bikes: Scott Addict R1, Felt Z1
Mentioned: 10 Post(s)
Tagged: 0 Thread(s)
Quoted: 3432 Post(s)
Liked 3,567 Times
in
1,793 Posts
Yeah, well, it looks like my back-of-envelope calc was a bit too hasty.
Here's my spreadsheet showing bending stiffness ratio of aluminum to steel. As you can see, aluminum is slightly less stiff, but the difference is less with larger diameter tubing:
Numbers used:
Here's my spreadsheet showing bending stiffness ratio of aluminum to steel. As you can see, aluminum is slightly less stiff, but the difference is less with larger diameter tubing:
Numbers used:
- Young's modulus (Gpa): Steel 7.85, Aluminum 69
- Density (g/cm^3): Steel 200, Aluminum 69
- Wall thickness (in): Steel 0.04, Aluminum 0.116
__________________
Ride, Rest, Repeat. ROUVY: terrymorse
Ride, Rest, Repeat. ROUVY: terrymorse
Last edited by terrymorse; 02-07-24 at 12:23 PM.
Thread
Thread Starter
Forum
Replies
Last Post
lytleric
Electronics, Lighting, & Gadgets
2
05-18-20 11:15 PM
mcafiero
Track Cycling: Velodrome Racing and Training Area
4
10-16-11 11:38 PM
