Today's Message Index:
----------------------
1. 07:02 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Jesse Saint)
2. 08:58 PM - YIO-540 airflow performance injectors (Bob Turner)
Message 1
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
This is correct. On the flap hinges where there is no bearing they use
castle nuts, but anywhere there is an actual bearing (rudder, elevator,
ailerons, bell cranks, etc.) they just use the bolt to hold things
together, but all pivoting takes place on the bearing itself. Only
where the bolt itself may rotate do you need to use a castle nut, or
where there is a heat source (engine compartment) that could melt the
nylon.
Jesse Saint
Saint Aviation, Inc.
jesse@saintaviation.com
C: 352-427-0285
F: 815-377-3694
On Sep 8, 2011, at 3:49 PM, carl.froehlich@verizon.net wrote:
> The bolt and nut captures the hinge bearing. The hinge bearing
rotates. There is no relative motion between the bolt/nut and the
bearing ball.
>
> Using a castle nut would yield the bolt becoming the bearing as you
would most likely not have it tight enough to capture the bearing ball.
Not recommended.
>
> Carl
>
> Sent from my phone. Please read pass the typos.
>
>
> -----Original message-----
> From: Jack Phillips <pietflyr@bellsouth.net>
> To: rv10-list@matronics.com
> Sent: Thu, Sep 8, 2011 19:16:02 GMT+00:00
> Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at
annual
>
> One thing Van=92s does that I just don=92t agree with is their use of
locknuts on rotating assemblies (like aileron hinges). AC 43.13 most
definitely requires castle nuts and cotter pins in such locations.
Locknuts can and will loosen if rotated enough.
>
> Jack Philliips
> #40610
> Raleigh, NC
>
> From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Danny Riggs
> Sent: Thursday, September 08, 2011 11:53 AM
> To: rv10-list@matronics.com
> Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at
annual
>
> Soooo,
> What is the theory about substituting castle nuts and locking pins?
Any good reason not to do so on these critical areas????
>
> > Date: Thu, 8 Sep 2011 10:40:25 -0500
> > From: Tim@myrv10.com
> > To: rv10-list@matronics.com
> > Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at
annual
> >
> >
> > Big mistake. If you do that, and the nuts loosen, it'll fall
> > right out. That's why all bolts are IN, DOWN, AFT on their
> > direction.
> >
> > Tim Olson - RV-10 N104CD
> > do not archive
> >
> >
> > On 9/8/2011 10:13 AM, AirMike wrote:
> > >
> > > I suspect that:
> > > 1. Vibration loosened the nuts. Or
> > > 2. Vans has you install the bolts - top down with the nuts on the
underside.
> > > Thinking about it now, this might be wrong. I obviously torqued
the assembly from the top. Not the best way to do it. You do not get an
accurate torque value. If I were building again -bolts bottom-up. That
way you can torque the nuts precisely.
> > > 3. Some combination of inaccurate torque and vibration.
> > >
> > > --------
> > > See you OSH '11
> > > Q/B - flying 1 yr+
> > >
> > >
> > >
> > >
> > > Read this topic online here:
> > >
> > > http://forums.matronics.com/viewtopic.php?p=351733#351733
> ======================
> &g===============
> >
> >
> >
>
>
> http://www.matronics.com/Navigator?RV10-List
> http://forums.matronics.com
> http://www.matronics.com/contribution
>
>
>
>
>
Message 2
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| Subject: | YIO-540 airflow performance injectors |
I have the YIO-540 ordered directly from Vans. It came with the Airflow Performance
injection system.
My cylinder #5 has always been the first to reach peak EGT when leaning. I pulled
the injector, thinking it might be dirty. It wasn't, but I noticed it had a
band around it, indicating that it was the smallest of the three standard injectors
AFM sells. Does anyone know if this is the usual setup? I didn't look at
any other cylinder. Are they all "one banded"?
Bob
--------
Bob Turner
RV-10 QB
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=351863#351863
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