Yes, as noted in my comment on Mark L's comment (third paragraph, first
line of my e-mail), clamp force for the WAFs is irrelevant for exactly
the reason you have noted. Although the comment about "greater length
... than it will see in service" is not exactly what we need to see in
the applica
Le dim. 7 nov. 2021 à 16:21, jean paul GLOTIN
a écrit :
>
> Le dim. 7 nov. 2021 à 16:17, jean paul GLOTIN
> a écrit :
>
>> May .be this book could hello you
>>
>> Le sam. 6 nov. 2021 à 20:43, Chris Kinnaman a écrit :
>>
>>> What exactly do you mean by "strip"? The plastic/fiber in AN364 & AN365
On 11/7/2021 7:49 AM, Mark Wegmet wrote:
Another way of looking at "torque" requirements at the basic
engineering level of fasteners is to consider that it is a conversion
of (unmeasurable) clamping force on a fastener to a (measurable)
rotational force that considers the tensile strength and e
Another way of looking at "torque" requirements at the basic engineering
level of fasteners is to consider that it is a conversion of
(unmeasurable) clamping force on a fastener to a (measurable) rotational
force that considers the tensile strength and elongation under load of a
material (i.e.,
On 11/6/2021 5:28 PM, Mark Langford wrote:
Mark Langford
Mechanical Engineer..*RETIRED! *
m...@n56ml.com
http://www.n56ml.com
Huntsville, AL
___
The operative word here is retired and enjoying the heck out of it.
Larry Flesner
_
There's no need to torque the crap out of any of the wing attach
fittings through the spars, or even WAF to WAF, for that matter. They
are simply "pin joints" in engineering terms, meant to keep things from
moving around. Friction is not even considered when analyzing the
stress on these thin
On 11/6/2021 1:21 PM, Brett Lombardi wrote:
KR builders,
Attempting to torque the AN bolts that attach the brackets to the main and
rear spars. The nylon in the nuts strip with minimal pressure, ie. 12
lbs/sq ft.
Anyone else have this issue and/or advice?
Thanks,
Brett
+
What exactly do you mean by "strip"? The plastic/fiber in AN364 & AN365
nuts is supposed to just drag on the threads of the bolts enough to keep
the nuts from spinning freely. The fiber is not intended to bear any load.
Chris K
On 11/6/2021 12:21 PM, Brett Lombardi wrote:
KR builders,
Attempt
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