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Search: Posts Made By: WVU_Engineer
Showing results 1 to 11 of 11
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Forum: Commuting
05-30-14, 05:00 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

It doesn't surprise me, welds are very tricky...

It doesn't surprise me, welds are very tricky and actually aren't used in very many aerospace applications for that very reason. The simple act of the weld cooling induces stress in it due to it...
Forum: Commuting
05-25-14, 04:14 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

It is not entirely out of the question that heat...

It is not entirely out of the question that heat treating causing stresses at joints itself, but if that is the case you will usually see a recall or a whole bunch of failures at the same spot. ...
Forum: Commuting
05-25-14, 03:11 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

382841 When I first read the post with the...

382841

When I first read the post with the picture above the picture did not appear, Does anyone else think the seat tube looks flared out slightly or is it the sticker on the back side creating...
Forum: Commuting
05-25-14, 01:19 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

I'm thinking there was damage, possibly even a...

I'm thinking there was damage, possibly even a defect. A failure starting out as just a crack doesn't necessary mean fatigue.
Forum: Commuting
05-25-14, 01:17 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

Not too familiar with carbon fiber frames but...

Not too familiar with carbon fiber frames but what would TIG welding have to do with it in that case?

Maybe I am not familiar enough with the terminology but wouldn't the 2nd criteria to prevent...
Forum: Commuting
05-25-14, 11:40 AM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

Oh I didn't take it as that at all, I am a huge...

Oh I didn't take it as that at all, I am a huge geek and love to talk about metal, structures etc. Being new to biking I really appreciate the discussion.

I would love to see a picture,...
Forum: Commuting
05-25-14, 10:09 AM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

And bikes are designed to a safety factor of? My...

And bikes are designed to a safety factor of? My point is the loads on aircraft are much more predictable.

For single loads this safety factor that aircraft are designed two is not for standard...
Forum: Commuting
05-25-14, 09:17 AM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

Interesting, I am guessing that was a very...

Interesting, I am guessing that was a very expensive bike.
Forum: Commuting
05-25-14, 08:50 AM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

I wasn't familiar with 7005 so I looked it up and...

I wasn't familiar with 7005 so I looked it up and found that it is used almost solely on bike frames and it only has slightly higher properties than 6061. I was unaware that any alloys in the 7000...
Forum: Commuting
05-25-14, 06:27 AM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

As an engineer that works in the aerospace field...

As an engineer that works in the aerospace field I would like to point out that aircraft have inspections every so many flight hours, and I don't mean someone just looking at them. They go through...
Forum: Commuting
05-23-14, 05:34 PM
Replies: 101
Views: 14,537
Posted By WVU_Engineer

My Raleigh Venture is steel, and that is one of...

My Raleigh Venture is steel, and that is one of the reasons I chose it.

The biggest problem with Aluminum is that its yield strength and ultimate strength are so close, this is why the failures...
Showing results 1 to 11 of 11


 
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