Hinges under stress - mechanical engineering type question

Corrie wrote:

Ernie, what's the Delta stressed for? I perused your site, but didn't
see an illustration of the spar attach fittings. A half-inch pin
sounds right. But what kind of fitting does it go through, and how is
that fitting tied into the spar? That's the real question.


Normal category. 1950lbs gross.

I just put a couple pictures and and explanation at the bottom of the
'Frame' section of my website. Follow the link below.
--
----Because I can----
http://www.ernest.isa-geek.org/
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Hey Earnest, have you ever seen the plans for the rubber band powered
model Dyke Delta? I think they were published in Model Aviator mag
December of 197something.

I've always wanted to build a Peanut Scale (13 inch wingspan) balsa
Dyke and see how it flies.

Richard


Ernest Christley wrote:

Corrie wrote:

Ernie, what's the Delta stressed for? I perused your site, but didn't
see an illustration of the spar attach fittings. A half-inch pin
sounds right. But what kind of fitting does it go through, and how is
that fitting tied into the spar? That's the real question.


Normal category. 1950lbs gross.

I just put a couple pictures and and explanation at the bottom of the
'Frame' section of my website. Follow the link below.
--
----Because I can----
http://www.ernest.isa-geek.org/
------------------------

Richard Lamb wrote:
Hey Earnest, have you ever seen the plans for the rubber band powered
model Dyke Delta? I think they were published in Model Aviator mag
December of 197something.

I've always wanted to build a Peanut Scale (13 inch wingspan) balsa
Dyke and see how it flies.


Never seen that. I just jumped that the fullsize model. Though, I've
got a couple boys here that need a good intro to R/C models.


--
----Because I can----
http://www.ernest.isa-geek.org/
------------------------

Ernest Christley wrote in message r.com...
Corrie wrote:

Ernie, what's the Delta stressed for? I perused your site, but didn't
see an illustration of the spar attach fittings. A half-inch pin
sounds right. But what kind of fitting does it go through, and how is
that fitting tied into the spar? That's the real question.


Normal category. 1950lbs gross.

I just put a couple pictures and and explanation at the bottom of the
'Frame' section of my website. Follow the link below.

Tell your lovely wife 'thank' for helping out. I'm afraid it's still
not entirely clear, but it looks like the whole structure hangs on
those two 1/4" fittings welded to the spar truss, inserted into the
vertical hinge tube, and held in place by the 1/2" pin? Make certain
those are solid welds, my friend!