REFLECTOR:Brake selection.

Sat, 10 Apr 2004 07:52:52 -0400

I agree with Jack. I have 140 hours on my Matcos and no problems.  And I am
based at a 3000' runway so some landings require pretty good application of
the brakes.

Well actually there is a shudder at about 20 knots, just before turning off
the runway, but I'm certain it has to do with harmonics of the RG gear
system and not the Matcos.  (I have checked runout and thickness - no
problem found).

There are two upgrades that probably need to be made if you have older
Matcos - upgrade to the X option which includes larger cylinders and an
extra clamp bolt and replace the cast iron disks with steel disks.  Hmmmmm,
Clevelands might be cheaper???

Ronnie

----- Original Message -----
From: "jack davis" <n767sd@hotmail.com>
To: <reflector@tvbf.org>
Sent: Friday, April 09, 2004 10:13 PM
Subject: Re: REFLECTOR:Brake selection.

| Greg,
|
| I have about 400 hours on my STD Velocity Elite RG with the matcos.  I've
| never had any trouble with them.  I've never felt like I couldn't stop.
| I've been into strips as short as 2700 feet with no problems.  I do have a
| stainless steel plate between the axle and the gear leg.  Never had any
| heating problems even after repeated landings with moderate braking.
|
| Just my experience.  I think the Matcos are adequate for the standard
| Velocity.
|
| Jack
| ----- Original Message -----
| From: "Greg Poole" <gpoole@zeta.org.au>
| To: <reflector@tvbf.org>
| Sent: Monday, April 05, 2004 7:48 PM
| Subject: REFLECTOR:Brake selection.
|
|
| > I'm "yo yo-ing" listening to the different accounts of brake experience
| and
| > trying to relate them to aircraft weight/model. At one point I had
decided
| > (on the basis of keeping heat away from the gear leg, pad longevity and
on
| > performance) that Clevelands were really the ONLY way to go, that for a
| few
| > bucks difference in price somebody had made a big mistake in specifying
| them
| > for the Velocity and that I would need to get rid of the Matco's that
came
| > in my Std RG kit ....now Scott and several others have restored hope
that
| > the Matco's will be adequate for the smaller fuselage.
| >
| > Have I got the general consensus right? ...and just how successful has
| > modifications been to keep heat from the Matco's from affecting the main
| > gear legs?
| >
| > Greg in Sydney.
| >
| > ----- Original Message -----
| > From: "Scott Derrick" <scott@tnstaafl.net>
| > To: <reflector@tvbf.org>
| > Sent: Tuesday, April 06, 2004 12:09 AM
| > Subject: Re: REFLECTOR:Gear Up
| >
| >
| > > John,
| > >
| > > You don't want cracked disk pads!   Usually hey are the result of
| improper
| > > installation, squeezing the rivets down so hard the pad cracked.   I
had
| a
| > > landing accident in one of the factory demo planes because of cracked
| > pads.
| > > The left brake failed on rollout.
| > >
| > > I also have a Std RG, and have had no problems and plenty of braking
| power
| > > with the Matco's.   I just replaced my Pads after 200 hours on them.
| > >
| > > Scott
| > >
| > > At 12:14 PM 4/4/2004, you wrote:
| > > >Chuck,
| > > >Sounds like there is a big difference between the XL and STD when it
| > comes
| > > >to braking
| > > >needs and pad life.  When solo, my SRG is light in front and my
canard
| > > >mushes during
| > > >stall, so I don't worry about the nose coming down hard and I
approach
| > > >stall speeds at
| > > >landing.  My SRG has 300 hours, 100 by me.  Doesn't seem like the
pads
| > are
| > > >wearing
| > > >much.  I might be interested in your pads, assuming they are the same
| as
| > > >mine.  Of
| > > >what significance are the cracks.
| > > >John
| > > >
| > > >Chuck Jensen wrote:
| > > >
| > > > > John,
| > > > > A developed touch and a runway a mile and half long does reduce
the
| > braking
| > > > > needs markedly.  The other advantage of Clevelands, besides not
| having
| > to
| > > > > change pads with every oil change, is if you go into a really
short
| > strip,
| > > > > (or we misjudge wind or speed on a middling length one) its
| comforting
| > to
| > > > > know that if you need to stand on the brakes, there'll be
something
| > there.
| > > > >
| > > > > I suspect the brakes are much less an issue on the smaller Vs with
| > smaller
| > > > > engines, which enjoy both somewhat slower touchdowns and less mass
| to
| > stop.
| > > > > At any rate, I have for sale several near-new Matco pads that are
| > perfect,
| > > > > except for the cracks.
| > > > >
| > > > > Chuck
| > > > >
| > > >
| > > >
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