Matronics Email Lists

To compare the "system", you need to add the governor cost.

Add $1500 to your $7900, and I would guess that a three blade Hartzell is about the same as the three blade MT prop in 2010 $$ ...

My Hartzell estimate was a bit low.

Vans Aircraft volume OEM price - to be installed on a RV-X only - is $6600 for the new blended airfoil O-360 prop.
So, without the Vans discount, a better est ...

But a full price comparison with a Harzell would have to include a new spinner and a new certified governor to add onto your O-360-xxx...

$6000 + $500 + $1500 ????

gil A

With regard to ...

Gary,

At 5 mS/div on the scope... could you be seeing some 60 Hz pickup? - which would be just over 3 divisions.

Is the noise frequency proportional to RPM?

How long was the ground lead to ...

Van's sells a complete baffle set for $275.00. They aren't finished at all, just punched out and bent. He has to be either making a shit-load of them or doing them in-house.

I think the answer ...

Thanks Gary.... he's driving up tomorrow to see it.

Perhaps my Tiger will soon have a buddy on the Airpark...:^)

Gary... do you know anything about a Cheetah 9802U that is based up your way in N. CA?

A friend on the airpark is considering purchasing it.... gil A

[quote][b]

Gary... do you know anything about a Cheetah 9802U that is based up your way in N. CA?

A friend on the airpark is considering purchasing it.... gil A

[quote][b]

..but it's a nice place to visit if you don't get any maintenance done....

My only complaint was that the quaint hotel had add-on air conditioning, which combined with the quaint, leaky single-pan ...

Hi Ned,

In spite of the English claiming "green" credentials, lead in it's
solid form can be bought at any home supply store.

It is used in the sheeting form as flashing for tile roo ...

The TEL portion is an insignificant percentage of the chemical
industry in that area.

The Romans started it off with salt mining - hence all of the
Cheshire towns ending in "---wich" ...

Gary... the relay is fully isolated, and has no installed diodes.

It is not polarized, so hooking up plus and minus 24v on the two smaller terminals can be done in either direction.

The coil r ...

...and I'd like to report that the only source of TEL (the lead in
100LL) in Ellsemere Port on the River Mersey was still in action
about 3 weeks ago. As a kid, I could see the always burning was ...

Need more numbers to get a data sheet....:^) gil A

At 11:35 AM 12/16/2009, you wrote:
[quote] something with a dash 903 on the end.

--

I could really use a wiring diagram for this plane. So far, the current flow logic isn't making sense. Anyone know what the cannon plug code is? Back in the old days, I could read the number on the ...

Gary... I'm a bit confused about the need for an alodine bath.

The MIL-Spec says...

------------------------
Chem Film, per MIL-C-5541, can be applied several ways. "Unless an applicati ...

Hi Ned,

I used a borrowed digital model rpm gauge - worked great. Just pointed it forward from the cockpit when in flight.

They can be checked for accuracy against the 60/120 Hz component of m ...

Century Instruments IIRC - the problem is that they can't legally overhaul it, they can just inspect and repaint the dial.

Something to do with not having the full data from Stewart Warner.

Th ...

Yep... I sent my mechanical one for overhaul because it was about 125 rpm out, It came back with the same error...:^)

The airpark pilots tell me that the local Tucson speedometer shop can re-calib ...

Gary,

I don't think so, since this came from
AC 20-37D AIRCRAFT METAL PROPELLER MAINTENANCE
on care of metal props - note the bit on no post-manufacture accuracy.

It might be hidden in the SAE ...