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| Hot
threads online |
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Does
everyone hate fiberglass?
Yes (VAF) |
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Drilling
out rivets
Everybody's got a system. (Rivetbangers) |
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Oxygen system maintenance
Gary Sobek's tips on maintaining an oxygen system after 10 years of doing so (SoCal YGroup by way of VAF) |
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Fuel tank vent lines
Concerned about an 'instant inflate' phenomenon when testing? (Rivetbangers) |
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Ammeter shunt
I admit all this electrical talk is still gobbledygook to me, but even I can tell this is a valuable thread.(VAF) |
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Engine shopping
Lots of choices, obviously, but reading this reminds that people who don't know engines -- bowing -- probably should be looking for a safer route than some of the recommendations. But that's just me. (VAF) |
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Filler primer for fiberglass
Bottom line: Forget about a rattle can primer. (VAF) |
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Tandem vs. side-by-side comparison
There's no one answer here, of course. Everybody has a different reason for building the model RV they want.(VAF) |
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RE: Kitplanes article on LED driver
unless the appliance of interest is composed only
of relays and resistors, it has a strong probability of
generating some level of noise. The questions are always
how much noise and at what frequencies? (AeroElectric) |
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Weld-On RV-10 and crazing
Just finished installing my windshield with Weld-on 10 C and there is crazing where some clamps were on the sides (RV-10 List)) |
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Dynon E-10A questions
Several builders weight in. (RV List) |
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Avionics back-up power
How should I wire power, both from Main Battery and Back-Up Battery, to the COMM Radio and the Transponder? (AeroElectric) |
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GPS antenna mounting
I am to the point of needing to mount or at least drill the holes for the 430W GPS antenna. I want to put it on top of the cabin but it looks like I have 2 options. (RV-10 List) |
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| NEW
VIDEOS |

Kevin Horton's first flight
Always exciting to see someone whose Web page you've
followed make that first leap. (Watch)
RV-8 at dawn
Early morning at 6Y9, Labor Day weekend 2008. (Watch)

Johnson Creek, Idaho
Hold on as an RV-6 departs the back country. (Watch)
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| SERVICE BULLETINS |
E-MAG/P-MAG
Beginning in August 2007, the mount for the engine position sensor magnet was
revised to a system where the magnet is mounted in a brass holder which is then double set screwed to the ignition
shaft. While initial performance was satisfactory, a pattern has recently emerged where, after a period of operation
sensor mounts have worked loose in a few units, resulting in a loss of proper ignition timing (More)... |
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FEATURED STORY |
Pair
survive UK RV crash
There was unusually intense media coverage of a UK RV crash the other day in which RV builder Bill Knotts, and a friend, crawled away
from the wreckage. Perhaps it's because the BBC, which had produced a segment
on the 10-year construction project, was
all over the crash, which occurred as Bill was on
his way home from an aviation conference. Journal
Live detailed the rescue efforts. Knott, 73, suffered
some back injuries, his passenger was treated and released.
Curious terms you UK folks have. One UK newspaper called
Knott a "pensioner." I guess that's fancy
talk for old geezer.
Related links:
Kitplanes:
Homebuilt Aircraft Safety 1998-2008 ($$)
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Giving Dave
a ride
Well
after a year of playing calendar bingo I was finally able to give
a friend from church a ride in the RV-4 today. It took quite a
lot of negotiating but we finally did it. I met up with Dave today
at Caleveras Airport. He snapped a few pictures of the plane.
Quite a few in fact. I patiently waited through all this as the
air got hotter and thinner because Dave is a good guy and he’d
probably walk through (okay, maybe very near) fire for me. Dave
is a fire captain by day and night and on days off he poses as
a humble photographer. (More
on Rivetbangers)
Transition training in Oregon
When I started my RV6 I had 1,000
hours of flying time in my logbook,
IFR, MEI ratings, and checked out in
10 different types of aircraft. I thought
no problem; I can fly my RV6 when I
get it done. Twelve years later and my
plane is near completion, after a couple
of high speed taxi’s I came to the realization
that I would have to hire someone
to fly it for me, or I needed to get
some transition training. After some E-mails and phone calls I
realized it was going to be difficult to locate someone willing,
or able to give me the training I needed in a RV6. (More in the September issue of the Minnesota wing of Van's Air Force Newsletter
on Rivetbangers)
From the archives:
Transition training in your RV
Day-tripping
Trip to Gateway
Say,
is that a nose gear RV in the rugged backcountry? Shouldn't
that be on its back -- the alleged native environment for a nose
gear in this situation? Nope. Bob Trumpfheller puts some
larger tires on his bird before his trip to Gateway, Colorado.
(Read
more)
Other day-tripping:
Bob and Ginger's Trip Out West blog
Inside
a Van's gauge
For
whatever reason, maybe that they're affordable, Van's instrument
gauges don't generally get high marks. But AeroElectric Connection's
Bob Nuckolls recently took one apart and found there's more value
there than you might think. (More)
RV-12 progress
Mauna Kea is one of two huge volcanoes that form the island of Hawaii. Most people who have seen it
have only seen the top 13,000’ or so, even though from base to top it is over 33,000’ feet high. It’s just that the
bottom 20,000’ are under the surface of the ocean. Even though that huge underwater base is invisible to
anyone who doesn’t have a personal submersible, it’s still there, holding everything on top of it up.
The RV-12 is a little like that. (More in 4th issue of RVator)
RV-12 Builder Sites:
Marty's RV-12 site
Jerry Greenberg
Tom Benton (5 RV builds!)
Jeffrey Emmick
Alan Gilmore
MERFI's Law
Yeah, the pancakes were great, but I can get those at Bob Evans. No, the real reason you fly in to the MERFI Fly-In is to walk around and see what other people flew in to the Fly-In. That, and see what hides behind the normally closed hangar doors. (More on PapaGolf Chronicles)
| EDITOR'S NOTE |
My apologies for the disruption in producing the RV Builder's Hotline over the last three weeks or so. I had to go to Denver to cover the Democratic National Convention and then back to St. Paul for a week with the Republicans. (You can find about 60 posts on the two on my day job blog.) It doesn't look as though I missed too much as it's been relatively quiet after Oshkosh.
I've been troubleshooting some delivery problems with the Hotline and most of them are being caused by (a) a mailing program on my server that isn't working and (b) the sp*m detectors on various ISPs. Because over 1,800 Hotline e-mails are sent out, some ISPs have identified this as sp*m.
There isn't a great deal I can do about this other than to call your attention to this page, which tells you how to check your e-mail program to be sure it's configured properly. Some of the filtering is occurring at the ISP level, in which case there's very little I can do.
In the meantime, I continue to distribute the Hotline via an old e-mail distribution program which seems to be generally reliable, and, of course, it's available on the Web site.
For the next and subsequent issue, I'm always looking for great photographs. If you have one you really love, please send it along. |
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| ACCIDENT REPORTS |
MA: Beverly. An RV-9 damaged landing
gear on landing. 8/21/08 (Data)
PA: Toughkenamon. RV-6A skidded off runway. 9/2/08 (Data)
Probable cause
MI: Manchester. Probable cause in 8/1/08 landing accident of RV-7A. Improper flare. (More)
WI: Oshkosh. Probable cause in RV-3 landing incident on 7/28/08. Improper compensation for crosswind. (More)
IL: Jerseyville. Probable cause released in 7/8/08 RV-6A nose-over. Muddy field. (More)
OR: Aurora. Probable cause released in 3/27/06 RV-6 incident during landing. Malfunctioning prop. (More)
MI: Barton City. Probable cause released in 9/20/07 RV-9A accident on takeoff. Gusty winds. Failure to maintain airspeed. (More)
WA: Stanwood. Probable cause released in 2/16/08 incident in which two people died. Failure to maintain airspeed during emergency landing. (More)
NJ: Princeton. Probable cause released in 2/28/08 RV-9A accident on takeoff. Improper installation of ignition/fuel control system. (More)
AZ: Winslow. Probable cause released in 3/18/08 RV-7A incident. Failure to maintain airspeed. (More) |
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| OTHER NEWS |
The
RV-12 view
Kitplanes Magazine has taken the RV-12 out for a
workout and issued its review. "Control forces
throughout the landing pattern are, well, by now
you know— low. Minor gust upsets that raise
a wing can be fixed in short order with intuitive
stick and pedal corrections. Tracking the runway
centerline on final, through the fl are and during
roll-out comes automatically.
Van on the 51% rule
There is
nothing inherently illegal about performing commercial assistance to a homebuilder, or even completely building the aircraft for the owner. However, it can become fraudulent and illegal if a person attests to the FAA that he built an airplane, when in fact someone else commercially built it for him. (More)
When progress is hard to see When you're building an airplane, you go through many phases. There is a phase where motivation comes easy. When you're building a wing, or a flap, or a fuselage, you see fairly steady progress. At the end of your workday you close the garage or hangar door and look at your work and say, "gee, that's looking like an airplane, it won't be long before it's flying."
(Letters from Flyover Country)
Time flies for airmen
Non-RV, just a nice piece. Watch the slideshow. (Cape Cod Times)
Tom and Kate Velvick OSH write-up
Most EAA chapters are carrying similar articles this month, but this is one of the better ones. (Chapter 538)
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Dummy
wing spar bolts
When
it came time to join the forward and aft sections of the fuselage
together at the wing spars with the spacers and bolts, I was a
little out of luck because the wing spar bolts come with the wing
kit. I reckoned that this connection was temporary for the purpose
of drilling the skins and related parts so dummy bolts should
suffice.The problem is that the burnished holes in the spars are
an exotic size that is not easily matched at a hardware store.
Conventional sizes are either too large or too small. However,
since I excel at anything "dummy", this is the solution
that I came up with that actually worked quite well. I found that
generic automotive rubber fuel line fits perfectly inside the
smaller holes of the spars. I coupled that with 1/8th inch toggle
bolts run through the tubing, fender washers, and wing nuts. This
dummy set up mated everything together perfectly, and as a bonus,
the rubber left the inside burnished surfaced unmolested and at
final assembly my "real" bolts and nuts will be virgin
and unstressed.The total cost was less than $5.00 (Myron
Nelson on VAF)
Easy
way to bleed brakes
Yesterday I had to bleed the brakes on my Skipper... they are
standard 6" Cleveland brakes that are (I think) very similar to
RV brakes. The setup is plumbed identically, with a single reservoir
feeding the copilot master cylinders and then the pilot master
cylinders. My A&P gave me this tip: go to your local aviation
/ farm supply store and buy three things: An old fashioned pump
oiler - big with a heavy base that won't tip over; Some clear
tubing that tightly fits both the end of the bleeder screw and
the pump oiler; The biggest horse syringe they have (no needle);
Total cost was under $25. (More
on VAF)
Manual
aileron trim knob
I decided I didn't like the lever Van's supplied, so today I tried
to buy some AL bar stock. I went to a old time machine shop we
use for work and ask if he had any for sale or rummage his scrap
bins. He said we have no scrap pile, it's all good stuff. I thought
"great what's this going to cost?" He was scribbling notes while
I described what I needed. Then he said what's it for? Ok, I'm
building a airplane, an RV-7. He looked up from his notepad and
leaned on the counter and I thought he was going to cry when he
said, I've always wanted to build an RV-8. "come on back let's
get you some stuff." I spent 30 minutes talking while he loaded
me up with various AL sizes. I kept saying that's enough(I only
needed a $5 chunk of scrap). Back at the counter, His wife ask
about making out an invoice. He said "it's taken care off, he
owes me a ride". She said "For all that?" rolled her eyes and
walked away. I tried to pay him, but no go...Ride it is! here
is my first attempt at a new trim knob for between the seats.(More
on Rivetbangers)
How to make a VFR cross country trip tick
I have never been a huge fan of Sectional Charts. I love the
info they provide, but the user interface is terrible for a small
cockpit. I fly GPS, and while I love the technology, I never
completely trust it. I like to have my finger on a map, but I
don’t like to have to fold, unfold and refold charts while flying,
or snacking, or whatever at 9500 feet.
I think I may have found a better solution and it is available to
anyone that has a computer, the internet, and a color printer.
Caveat here – I ALWAYS have current charts within
reach in the cockpit. What I am going to show you how to
make is for reference only!!!
(Pete Howell in the September issue of RVator.)
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PICTURE
OF THE WEEK
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Bob
Trumpfheller
posted this image on his
Web site (see above). This is the departure end
of the runway at Gateway, Colorado. Straight-out departures
not recommended. |
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The
RV Builder's Newsletter is published every other Saturday morning
-- more often as time allows -- and is distributed to those interested
in building and flying the RV aircraft featured by Van's Aircraft
Inc. There is no cost to subscribe
and the newsletter is delivered by e-mail in html format. ©2008
Bob Collins. This newsletter is not endorsed by, approved by,
or affiliated with Van's Aircraft Inc. The Hotline is produced by Bob Collins, 2734 McKinley Dr., Woodbury, Minnesota 55125-3487. You may unsubscribe at any time by selecting the link above. |
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