Today's Message Index:
----------------------
1. 12:55 AM - Re: Generator Warning Light ON in flight (Wes Warner)
2. 04:56 AM - SPINNER (Aubrey Price)
3. 06:23 AM - Re: SPINNER (Ernie)
4. 07:51 PM - Way to go, guys! (Barry Hancock)
5. 10:52 PM - Re: Generator Warning Light ON in flight (Royden Heays)
6. 11:12 PM - Re: Generator Warning Light ON in flight (Wes Warner)
Message 1
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| Subject: | Re: Generator Warning Light ON in flight |
Mail-Followup-To: Wes Warner <ufo@outerlimits.org>,
--> Yak-List message posted by: Wes Warner <ufo@outerlimits.org>
Royden,
I just had a similar problem. If you undo the instrument panel,
you'll have access to the electrical box. Undo the 3 plugs, 2 screws, and 2
wires that connect to it. Inside you should see 3 or 4 wires that are about
1/4" diameter. On mine, 2 of the terminals were broken on those wires. I
made 2 new wires and all is well.
Wes
On Sat, Apr 10, 2004 at 11:05:03PM -0700, Royden Heays wrote:
> --> Yak-List message posted by: "Royden Heays" <HEAYSR@telus.net>
>
> On my Yak 55M the electrical system has been running fine until
> recently.
>
> Lately, on a short cross-country, I noticed the generator light was on.
>
> At the next run-up prior to T/O everything was back to normal. Gen light
> off during warm-up and run-up, then on at full idle test. Voltmeter
> recording 28 - 30V when gen light off and 24V when gen light on.
> Everything was normal on the ground. In the air, after a bit of acro,
> the gen light was back on again. We cleaned battery terminals and looked
> for shorting cables but could find nothing.
>
> At the next run-up everything was normal again up to the full idle test.
> After that the gen light was on for keepers.
>
> Have since checked the generator brushes. All 8 are 19 to 20 mm long (17
> mm minimum). Generator looks fine.
>
> Is this a regulator problem? If, so where is it and what is the fix? [My
> manuals cover the generator but seem to be vacant on the regulator].
>
> Royden
> C-GRED
Message 2
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--> Yak-List message posted by: Aubrey Price <aprice@vartec.net>
Will a Nanchang C6A spinner and back plate fit a YAK 52.
Message 3
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--> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
Well, thats the point, an Nanchang CJ-6 doesnt have a spinner. The prop hubs
between the Housai and the M-14 engines are pratically identical except for
the mounting. The CJ uses a Spline type mount whereas the M-14 uses a bolt
on. The CJ does however have bolts on the back of the hub to hold in the
spline assembly. The bolt patterns are different however. Fortunately the
backing halve is not a single piece, but is composed of the major outer ring
which comprises the backing plate, and an inner ring which has the bolt hole
pattern to attach to the hub. This inner section is bolted to the main
backing plate. One could just fabricate new inner section to correspond to
the CJ hub bolt pattern.
Ernie
----- Original Message -----
From: "Aubrey Price" <aprice@vartec.net>
Subject: Yak-List: SPINNER
> --> Yak-List message posted by: Aubrey Price <aprice@vartec.net>
>
> Will a Nanchang C6A spinner and back plate fit a YAK 52.
>
>
Message 4
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| Subject: | Way to go, guys! |
--> Yak-List message posted by: Barry Hancock <radialpower@cox.net>
Hats off to Roger Baker, Gordon Witter and crew for getting this nice
article published in a major newspaper.
This from the San Diego Tribune....
++++++++++++++++++++++++++++++++++++++
When local pilots take to the skies in former Soviet aircraft, it's
plane fun
By John Wilkens
STAFF WRITER
April 11, 2004
Darrell Gary left the Navy more than 25 years ago, but he retains the
chiseled looks of the Top Gun pilot he once was. His flight suit, worn
on missions off the carrier Coral Sea, still fits.
Now president of a real estate development company, Gary owns a small
plane and flies it out of McClellan-Palomar Airport in Carlsbad. He had
it painted blue and yellow, in homage to the Navy, and he has his old
call sign =96 Condor =96 stenciled on the side.
Everything about the pilot and his plane says American fighter jock =96
except for the red star on the tail and the Cyrillic writing in the
cockpit.
The plane is a Yak-52, a Soviet-built trainer, one of a handful that
have made their way to San Diego County in recent years, offering proof
in a unique way that the Cold War is over.
"I spent 11 years studying Soviet tactics, learning how to kill the
people who trained on this plane," said Gary, who helped start the Top
Gun school at Miramar Naval Air Station in 1969. "Now I own one."
He's not gloating, not dancing on the grave of a vanquished foe. None
of the local aviators who own Soviet planes =96 several of them former
military and airline pilots =96 attach any geopolitical significance to
their acquisitions.
To them, it is just a chance to own a good plane at a good price =96 and
a chance to remember why they started flying in the first place.
"This is a passion re-found for me," said Gordon Witter, retired chief
pilot for American Airlines and former chairman of the San Diego
Aerospace Museum. "It's as much fun in the air as I've ever had."
The local pilots are affiliated with a North County-based group called
the Yak Flying Association. They have Yaks at Palomar, Ramona,
Gillespie and French Valley airports.
The flying association, in turn, has ties to All Red Star, a
nationwide organization that includes owners of all manner of
Soviet-bloc aircraft, including helicopters and MiGs.
All Red Star's motto is, "Communism: Lousy politics =96 Great airplanes!"
oA==
oA==
Sitting in his hangar at Palomar Airport, Roger Baker heard the Yaks
before he saw them. "They have that low rumble," he said of the
radial-engine planes. "A low rumble is nice."
On this day, the Yaks were doing formation flying out by Valley
Center, and then down the coast over Del Mar. Gary and Witter were
piloting two-seat Yak-52s, and Bruce Merrifield was behind the controls
of a four-seater, a Yak-18.
Baker had been up with them earlier, in another Yak-52, but something
was wrong now with the air-pressure system that controls the brakes and
the landing gear. He was waiting to call Vladimir Yastremski, a
mechanic from Ramona, to help him fix it.
Bit by the flying bug early, Baker grew up near an airport. He said
his mother remembers him standing outside in his diaper, pointing up at
the planes going by.
As a teen, he washed planes and did other chores at the airport =96 not
for cash, but for plane rides. He learned to fly when he was 15.
Baker flew helicopters and planes in the Army, then joined United
Airlines, where he was a pilot for 36 years. When he retired last year,
he was flying behemoths, 747-400s, on runs from Los Angeles to Sydney
and Singapore.
Even as he flew huge commercial jets, Baker kept an interest in
smaller planes by building and flying them. Last summer, he was in the
news when he piloted a replica of Charles Lindbergh's 1927 plane, the
Spirit of St. Louis, into Lindbergh Field as part of the airport's 75th
anniversary.
As he moved through various aviation circles, Baker occasionally heard
good things about the Yak-52, first introduced in the late 1970s and
named for the aircraft designer Alexander S. Yakovlev.
About four years ago, as the Soviet Union splintered, "a light dawned
in our heads that this cool little plane might be available." He had
never flown one, but he and the Yak Flying Association bought two
anyway.
The planes =96 one built in 1985, the other in 1986 =96 were overhauled in
Kazakhstan, taken apart and shipped in crates to America, then
reassembled at Palomar. Baker eventually helped bring four other Soviet
planes to America for other buyers.
What he likes most about the Yak-52 is its sensitive controls.
"Anything you're brave enough to try, the plane is willing to do," he
said.
That means spins, rolls and other aerobatics. When All Red Star
members gather next month for their annual convention in Merced, they
will engage in mock combat.
"It is our own little fantasy fighter," Baker said, closest in feel =96
in the marriage of man and machine =96 to World War II-era planes.
"We're playing the games that we used to play in the military. And
there's nobody that we have to stand in front of and salute."
oA==
oA==
The pilots said they bought the Soviet planes chiefly because of their
low cost and availability, compared with American counterparts. Baker
estimated that the Yak Flying Association has about $70,000 invested in
each of its two silver 52s.
"It was the most military airplane we could get for the money," said
Witter, who flew in the Air Force before joining American Airlines. He
retired in 1995 after 30 years with the company.
Since buying the planes, the association has twice brought Soviet
stunt pilots to this country to show them what the plane is capable of
doing. Quite a lot, they said.
Designed as a instructional plane, the 52 is easy to fly and
surprisingly versatile, they said. In the Soviet Union, pilots
typically started in that plane, then moved onto other aircraft as
their training progressed.
Sitting in the plane for the first time, it can be disconcerting to
see dials and instructions with Cyrillic lettering. (To qualify for use
in this country, some of the gauges have been switched to conform with
aviation standards here.) But any confusion quickly gives way to
something else, according to Witter.
"After you've flown this thing, when you get back down, you have this
exhilaration that is a feeling unlike any other. It's a feeling of
freedom, accomplishment and control. You are absolutely controlling
this machine."
There is, however, one crucial limitation. The plane only holds enough
fuel for about two hours of flying. Witter said the Yak was built that
way to discourage budding Soviet pilots from defecting with their
aircraft.
Then the Cold War ended, and it was the planes that defected.
Barry Hancock
Event Director
All Red Star 2004
(949) 300-5510
www.allredstar.com
"Communism - Lousy Politics, Great Airplanes!"
Message 5
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| Subject: | Generator Warning Light ON in flight |
--> Yak-List message posted by: "Royden Heays" <HEAYSR@telus.net>
Wes,
Thanks for your advice.
I poked around in there today behind the instrument panel with your
email beside me. Got the lid off the electrical box and using a mirror
could not find any wires broken - but for sure I can't see everything. I
saw the 3 plugs, 2 screws and 2 wires that you refer to, but hesitated
to go further pending a few more tips from you.
1. Do you have to disconnect all the feeds to the instrument panel
and remove the instrument panel to get the box out or will the box slip
through without disconnecting everything from the panel?
2. The two wires that you refer to - they appear rather short and
would restrict the rearwards movement of the box. It seems like one has
to get the box unbolted, move it back about 6 inches to get access, then
unscrew the wire terminals at their posts (looks difficult to do), then
the box will come out. Am I right? - I don't see any easy wire
disconnects there!
After all this, went for a short flight. Everything worked fine
throughout the 67% RPM warm up - generator charging at 30 V - no warning
light, but later at the 70% RPM mag check the gen warning light came on
again and stayed on with the volt meter back at 24 V.
Royden
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Wes Warner
Subject: Re: Yak-List: Generator Warning Light ON in flight
--> Yak-List message posted by: Wes Warner <ufo@outerlimits.org>
Royden,
I just had a similar problem. If you undo the instrument panel,
you'll have access to the electrical box. Undo the 3 plugs, 2 screws,
and 2 wires that connect to it. Inside you should see 3 or 4 wires that
are about 1/4" diameter. On mine, 2 of the terminals were broken on
those wires. I made 2 new wires and all is well.
Wes
On Sat, Apr 10, 2004 at 11:05:03PM -0700, Royden Heays wrote:
> --> Yak-List message posted by: "Royden Heays" <HEAYSR@telus.net>
>
> On my Yak 55M the electrical system has been running fine until
> recently.
>
> Lately, on a short cross-country, I noticed the generator light was
> on.
>
> At the next run-up prior to T/O everything was back to normal. Gen
> light off during warm-up and run-up, then on at full idle test.
> Voltmeter recording 28 - 30V when gen light off and 24V when gen light
> on. Everything was normal on the ground. In the air, after a bit of
> acro, the gen light was back on again. We cleaned battery terminals
> and looked for shorting cables but could find nothing.
>
> At the next run-up everything was normal again up to the full idle
> test. After that the gen light was on for keepers.
>
> Have since checked the generator brushes. All 8 are 19 to 20 mm long
> (17 mm minimum). Generator looks fine.
>
> Is this a regulator problem? If, so where is it and what is the fix?
> [My manuals cover the generator but seem to be vacant on the
> regulator].
>
> Royden
> C-GRED
==
==
==
==
Message 6
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| Subject: | Re: Generator Warning Light ON in flight |
Mail-Followup-To: Wes Warner <ufo@outerlimits.org>,
--> Yak-List message posted by: Wes Warner <ufo@outerlimits.org>
> I poked around in there today behind the instrument panel with your
> email beside me. Got the lid off the electrical box and using a mirror
> could not find any wires broken - but for sure I can't see everything. I
> saw the 3 plugs, 2 screws and 2 wires that you refer to, but hesitated
> to go further pending a few more tips from you.
Keep in mind, my wires weren't broken. It was the actual terminal on the
end of the wire, right where the solder ended. I had to push on the wire to
see that the terminal was broken.
> 1. Do you have to disconnect all the feeds to the instrument panel
> and remove the instrument panel to get the box out or will the box slip
> through without disconnecting everything from the panel?
No. The box will come out under the panel. See next answer.
> 2. The two wires that you refer to - they appear rather short and
> would restrict the rearwards movement of the box. It seems like one has
> to get the box unbolted, move it back about 6 inches to get access, then
> unscrew the wire terminals at their posts (looks difficult to do), then
> the box will come out. Am I right? - I don't see any easy wire
> disconnects there!
You're exactly right. Undo the canon plugs, unbolt the box, take the top
off, undo the 2 wires, then remove the box. It's a pain in the butt.
> After all this, went for a short flight. Everything worked fine
> throughout the 67% RPM warm up - generator charging at 30 V - no warning
> light, but later at the 70% RPM mag check the gen warning light came on
> again and stayed on with the volt meter back at 24 V.
Wes
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