The OV-10 military aircraft had reticulated foam in its tanks to avoid
explosions from enemy fire. The foam was replaced on an approximately ten
year time frame.The foam was cut and marked for proper order of tank
installation through each wing tank access hole. The leftover foam was
excellent at
Kenny, McDonnell Douglas built 50 F-4 Phantoms with fiber glass/ epoxy
rudders for the Navy. One came through the depot I worked at after 15+ years
of service and was still suitable for flight.
Bob, New Bern NC
- Original Message -
From:
To:
Sent: Friday, June 23, 2006 8:13 AM
Subject: K
Colin, You hit this issue right on. I have read of the destruction of
military airplanes and pilots from the "small error" of having the check
list walk-around being interrupted by some other activity. When the
walk-around was resumed it started further down the list. The steps left out
came back t
We have read our way though all the ballistic chute discussion and to date
there is no mention of Murphy. So I will put in my 2 cents worth.
Some thoughts on chutes and how those "to have or not to have" decisions can be
impacted by Mr. Murphy and his law.
Murphy's Law states "If anything can g
Scott: The DC-10 airliner used a lot of titanium hardware in the airframe.
The bolts are NAS 6400 series (I have a NAS6404-32 48 in my hand). For the
leading edge slat (flight controls) cable pulleys the design called for a
NAS 654V1G bolt with an all metal castellated low height dry film lubed
Serge: As a former "Liaison Engineer' for a big aerospace company that
was bought out by Boeing I will give you the SOP (standard operating
procedure) for your aircrafts 'non conformance' that occurred during
'manufacturing' or 'depot level overhaul". (My text book answer)
FOR THE;
a. original
Colin; There are two plugs on my Corvair crankcases which are sitting on
the shelf and easily viewable. Each engine case side has an oil gallery plug
in-line with the hydraulic lifter oil gallery. There is a hole further to
the right of the right side plug but it is not threaded and has no plug i
Now a question on reassembly.
I was taught last century that the newly installed greased bearings were
installed on the wheel/axle assembly and the axle nut tightened to a good
snug fit. The wheel was rotated to 'work" out the excess grease. Next the
axle nut was loosened and retightened to take
Hello KR net members,
I would like to add one question to what Dubi Gefen is asking. It relates
to what he calls step 1. Sanding the foam.
With the thicker spars of the new airfoil is it possible to put relief
cuts into the structure of the wing, both foam and wood, so that when all
the plies a
> Hi Netters,
> Some one recently asked about painting WAFs. If you go and talk to your
local auto body repair shop you can ask them how they prepare metal for
painting. My local painter said that he now used " Green Epoxy Primer". He
thinks that it is the best thing that has happened in years. I
I plan to use a Gerdes Products Co. Inc. strut, P/N A -1490 in my KR2S. It
is from a Bede 5, P/N MBD5LG72. This strut is approx 28 inches to the top
mounting hole.
Bob Morrissey
- Original Message -
From: "Peter Leonard"
To: "'KRnet'"
Sent: Sunday, April 10, 2005 9:18 AM
Subject: KR> O
Mark/Parley;
The F-4 is one of the later E models. It has the internal 25 mm Gatling gun,
the IFF system (Identify Friend Foe), the two position leading edge wing
maneuvering slats, and lastly the fatigue improvement wing torque box that
included both thicker materials and Taper Lok fasteners. If m
Serge: Remove the paint and inspect for oversize/elongated holes. Oversize
holes can be repaired. If rust is only on the surface it can be removed .
If rust has created pitting, then a closer look is required. Pits adjacent
to holes are not good, as well as near the end of the fitting for bolting
- Original Message -
From: "GavinandLouise"
Subject: Re: KR> spar carbon fiber
> > So maybe we can put it to rest, and only focus on the facts of this
issue as
> documented by someone who really knows.
> Gav
I am quite concerned about all the useless discussion about KR spars and
wing
The designer during the design and structural analysis process considers the
holes, both locations and diameters, and load being applied to determine the
final size requirements. This is normally an iterative process to ensure a
strong part that meets the design requirements. If it exceeds the de
- Original Message -
From: "Orma"
To: "KRnet"
Sent: Thursday, November 18, 2004 2:25 PM
Subject: KR> Turbo Trouble
> Hello Net
> As I removed the turbo, I also got an Oh Sxxt, when I noted that the
impeller has taken an impact and that it will have to be replaced. With the
revflow wi
Mark: Please put me down for seals.
Bob Morrissey
- Original Message -
From: "Mark Jones"
To: "KR Net"
Sent: Tuesday, October 26, 2004 7:42 AM
Subject: KR> Mylar Gap Seals
> Ever wanted to seal those gaps on your ailerons or even your rudder and
> horizontal stabilizer? Troy Petteway ha
> Did you know that Lead is Depleated Uranium!!!
> Here in S.E. Missouri is the Primary Mining Source of Lead it is refered
to as the (Lead Belt). My Pilot friend retired from being the Chief
Metallurgist there and I was surprized the learn that. When "half life" is
over for Uranium is is then r
For what it is worth the following is from my old (1960's) AIRCRAFT MECHANICS
POCKET MANUAL by Joseph A. Ashkouti.
On page 5--19,a chart listing Typical Mechanical Properties of Wrought
Aluminum Alloys shows the following:
6061-T4 at 35,000 Lb./Sq. in. Tensile Strength. (This is a Solution H
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