|
|
Marv, I know of no specifications regarding the prop nuts. I do know that
when I ordered my prop bolts they came with the all metal lock nuts. My
experience is the all metal ones do no lose their clamping power as the
nylons will do after repeated use.
Some schools of thought regarding lock nuts state that NO nylon lock nuts
should be used foward of the firewall due to Nylons deterioration under heat
and harsh enviornments, certainly in high heat areas you don't want to use
them.
Ed
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message ----- From: "Marvin Kaye" <marv@lancaironline.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, September 05, 2004 9:14 PM
Subject: [FlyRotary] Re: safety wiring Ross prop bolts
"Ed Anderson" <eanderson@carolina.rr.com> wrote:
"""
Paul, if you have all metal type (NOT NYLON Inserts) lock-nuts for the
bolts and a crush plate with a recess that the heads of the bolts will
seat
into preventing them from turning, then it is not necessary to safety
wire the bolts. That is the way I flew my Ross drive and my current
RD-1C
drive. However, You must use all metal type lock-nuts!
"""
Interesting. Where did you get that specification from? I was under the
impression that the only time all metal locknuts were specified was when
heat
would be an issue. We have nylok nuts on the prop bolts of the Eagle540,
provided and specified by the engine manufacturer. They are torqued as
per
the specs in AC43-13 (etc) and we haven't seen any problem with them so
far
during ground runs. If the all-metal jobs are truly better and need to be
used to meet some specification, I'd sure like to know about it. This is
the
first I'd heard of it. Thanks....
<Marv>
>> Homepage: http://www.flyrotary.com/
>> Archive: http://lancaironline.net/lists/flyrotary/List.html
|
|