[Shop-talk] Welding a cracked fan Blade

[David Scheidt]

On Mon, Dec 1, 2008 at 10:25 AM, James F Juhas <james.f.juhas at snet.net> wrote:
> That is exactly what I would do, and indeed, what I was going to do when
> my MGA fan lost a blade through my left fender well at 6,000 rpm on the
> Lightening course at NJMP.  Notwithstanding the fact that I picked up
> considerable horsepower after I took the fan off, I doubted the wisdom
> of making the repair after taking a close look at it.  Besides the blade
> that broke off, another had a partial crack and would have been next to
> go.  And this was in September, after a close inspection of the fan in
> August revealed no likely defects.  The moral is to be wary of
> 50-year-old steel.

will magnafluxing or the like detect cracks that aren't yet at the surface?

-- 
David Scheidt
dmscheidt at gmail.com