The Murphy Builders Site

Posted: **Sat Feb 18, 2012 12:01 am**

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter around
on. I'll have to think about that one as I keep thinking the air could have
more uses...run a gyro?? Wonder if the flow from dump valve would be enough
to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

There's an idea aye! Keep the engine running and pump up your inflatable
boat from an airchuck on the fuselage! Feel sorry for the guy hanging off
the side of the float, while you taxi in circles around the lake though!!

)

Wayne

----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 7:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter

around

on. I'll have to think about that one as I keep thinking the air could

have

more uses...run a gyro?? Wonder if the flow from dump valve would be

enough

to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

Doesn't the Yak uses air for a lot of things?

Your right no vacuum on the jets (oh, except the toilets on some..), gyros
are all electric (and most are ring laser with no moving parts).
Pressurization is bleed air from engines.

Maybe no wheels on amphib, just hover craft skirts.

Scott

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Bill Delcambre
Sent: Tuesday, November 18, 2003 9:39 AM
To: murphy-rebel@dcsol.com
Subject: Re: M14 Air uses

I doubt that there's enough air available to do the venturi thing. I would
probably just use a regulator to drop the pressure to a usable level and run
the gyros with that airflow. I doubt if they know whether the flow through
them is caused by a negative or positive pressure source. Probably need a
good filtration system, though. All told, still less expensive and more
reliable than a vacuum system. If the compressor failed (IMC), you'd have
quite a while to get to VMC, just using the reservoir. Don't jets and
turboprops use pressure systems, as opposed to vacuum sytems? (this is
really a question. I always assumed they didn't use vacuum pumps, but
rather bleed air pressurization)

Personally, I'm planning on some version of the solid state attitude
indicators. By the time I'm ready to get that stuff, I figure most of the
bugs will be purged.

You amphib guys ever thought about an air/hydraulic system for your gear?
No pump, wiring or reservoir. Just a cylinder with air on one side and oil
on the other. Or better yet; airbag actuation. No hydraulics at all. We
could do air actuated flaps.

Gettin stupid, huh?

Bill
----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 6:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter

around

on. I'll have to think about that one as I keep thinking the air could

have

more uses...run a gyro?? Wonder if the flow from dump valve would be

enough

to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

I doubt that there's enough air available to do the venturi thing. I would
probably just use a regulator to drop the pressure to a usable level and run
the gyros with that airflow. I doubt if they know whether the flow through
them is caused by a negative or positive pressure source. Probably need a
good filtration system, though. All told, still less expensive and more
reliable than a vacuum system. If the compressor failed (IMC), you'd have
quite a while to get to VMC, just using the reservoir. Don't jets and
turboprops use pressure systems, as opposed to vacuum sytems? (this is
really a question. I always assumed they didn't use vacuum pumps, but
rather bleed air pressurization)

Personally, I'm planning on some version of the solid state attitude
indicators. By the time I'm ready to get that stuff, I figure most of the
bugs will be purged.

You amphib guys ever thought about an air/hydraulic system for your gear?
No pump, wiring or reservoir. Just a cylinder with air on one side and oil
on the other. Or better yet; airbag actuation. No hydraulics at all. We
could do air actuated flaps.

Gettin stupid, huh?

Bill
----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 6:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter

around

on. I'll have to think about that one as I keep thinking the air could

have

more uses...run a gyro?? Wonder if the flow from dump valve would be

enough

to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

Wayne! I'm disappointed. To do such a stunt as having a man hang onto the
float while doing donuts on a lake would be irresponsible! You'd waste gas
and irritate the tree huggers all over the lake. The correct procedure
would be to inflate the boat shortly before touchdown. That way you'd be
ready to attack the bass immediately after touchdown. :) Oh yeah, I
forgot; you 'Northern Exposure' types don't get many bass. That'd be
something like grunion, huh?

I'm thinking about mounting an airhose-reel on the belly.

Bill

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 7:29 PM
Subject: Re: M14 Air uses

There's an idea aye! Keep the engine running and pump up your inflatable
boat from an airchuck on the fuselage! Feel sorry for the guy hanging off
the side of the float, while you taxi in circles around the lake though!!
)

Wayne

----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 7:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter
around
on. I'll have to think about that one as I keep thinking the air could
have
more uses...run a gyro?? Wonder if the flow from dump valve would be
enough
to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

Don't know much about Yaks. Bet George could shed some light. Close buddy
had a Nanchang and I can tell you that a BUNCH of stuff was pneumatic.
Starter, flaps, brakes, gear retract and maybe more. Interesting thing is
that he absolutely never had any trouble with any of the air systems. Those
things worked perfectly, every time. Any time I ask M14 guys their opinion
about electric starting, the reaction is the same; "why mess with the best
part of the engine!"

As for the hover craft skirts; I like the way you think! THIS is the
spirit of 'experimental aircraft'!

Bill

----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Tuesday, November 18, 2003 12:26 PM
Subject: RE: M14 Air uses

Doesn't the Yak uses air for a lot of things?

Your right no vacuum on the jets (oh, except the toilets on some..),

gyros

are all electric (and most are ring laser with no moving parts).
Pressurization is bleed air from engines.

Maybe no wheels on amphib, just hover craft skirts.

Scott

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Bill Delcambre
Sent: Tuesday, November 18, 2003 9:39 AM
To: murphy-rebel@dcsol.com
Subject: Re: M14 Air uses

I doubt that there's enough air available to do the venturi thing. I

would

probably just use a regulator to drop the pressure to a usable level and

run

the gyros with that airflow. I doubt if they know whether the flow

through

them is caused by a negative or positive pressure source. Probably need a
good filtration system, though. All told, still less expensive and more
reliable than a vacuum system. If the compressor failed (IMC), you'd have
quite a while to get to VMC, just using the reservoir. Don't jets and
turboprops use pressure systems, as opposed to vacuum sytems? (this is
really a question. I always assumed they didn't use vacuum pumps, but
rather bleed air pressurization)

Personally, I'm planning on some version of the solid state attitude
indicators. By the time I'm ready to get that stuff, I figure most of the
bugs will be purged.

You amphib guys ever thought about an air/hydraulic system for your gear?
No pump, wiring or reservoir. Just a cylinder with air on one side and

oil

on the other. Or better yet; airbag actuation. No hydraulics at all. We
could do air actuated flaps.

Gettin stupid, huh?

Bill
----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 6:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter
around
on. I'll have to think about that one as I keep thinking the air could
have
more uses...run a gyro?? Wonder if the flow from dump valve would be
enough
to run through a small venturi for suction??

Scott

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Posted: **Sat Feb 18, 2012 12:01 am**

Now there's another great idea, a hose reel! You could use it as a water
skiing line for barefooting.... when the guy falls off the floats while
pumping the boat!!

As for Bass, we have lots up here. The town of Midland even held a
Bassmasters Pro tournament early this fall, that brought guys from as far as
Texas (as I could see by reading license plates on the 75 plus tow rigs
parked on the main drag).

Wayne

----- Original Message -----
From: "Bill Delcambre" <bdelcambre@cox-internet.com>
To: <murphy-rebel@dcsol.com>
Sent: Tuesday, November 18, 2003 1:08 PM
Subject: Re: M14 Air uses

Wayne! I'm disappointed. To do such a stunt as having a man hang onto

the

float while doing donuts on a lake would be irresponsible! You'd waste

gas

and irritate the tree huggers all over the lake. The correct procedure
would be to inflate the boat shortly before touchdown. That way you'd be
ready to attack the bass immediately after touchdown. :) Oh yeah, I
forgot; you 'Northern Exposure' types don't get many bass. That'd be
something like grunion, huh?

I'm thinking about mounting an airhose-reel on the belly.

Bill

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 7:29 PM
Subject: Re: M14 Air uses

There's an idea aye! Keep the engine running and pump up your inflatable
boat from an airchuck on the fuselage! Feel sorry for the guy hanging

off

the side of the float, while you taxi in circles around the lake

though!!

)

Wayne

----- Original Message -----
From: "Scott & Leere' Aldrich" <flynski@mwutah.com>
To: <murphy-rebel@dcsol.com>
Sent: Monday, November 17, 2003 7:59 PM
Subject: M14 Air uses

Bill, you may have something there blowing up Otto Pilot with the air.
Could then throw him in the lake and use Wayne's new motor to putter
around
on. I'll have to think about that one as I keep thinking the air

could

have
more uses...run a gyro?? Wonder if the flow from dump valve would be
enough
to run through a small venturi for suction??

Scott

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