X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost03.isp.att.net ([207.115.11.53] verified) by logan.com (CommuniGate Pro SMTP 5.4c2a) with ESMTP id 4823465 for flyrotary@lancaironline.net; Sun, 23 Jan 2011 09:30:52 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.53; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-106-221.mco.bellsouth.net[98.85.106.221]) by isp.att.net (frfwmhc03) with SMTP id <20110123143015H0300ot7cse>; Sun, 23 Jan 2011 14:30:15 +0000 X-Originating-IP: [98.85.106.221] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Charge Air Pre-Heat Date: Sun, 23 Jan 2011 09:30:22 -0500 Message-ID: <700BB041C9B345F6B528D455E7DB4828@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01CBBAE0.29184C50" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acu6jfTGT/Vvf1k3RhSi8AzvVPkgegAe+2oQ X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0012_01CBBAE0.29184C50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit So where can we buy some carbide crystals??? A drawing you say??? :>) Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com Sent: Saturday, January 22, 2011 6:41 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Charge Air Pre-Heat In a message dated 1/22/2011 2:21:11 P.M. Eastern Standard Time, keltro@att.net writes: Hope all you Flyer's (and hope to be flyer's) both NA and Turbo are following this thread ??..........Listen when our "Rotary Engine Guru" speaks !!...............This info will allow us to out-distance our backward Lycoming powered brethren...................<:) Kelly Troyer You may remember the hot rodder down the street or two blocks over who seemed to know so much about car engines. Who seemed to have a fan club of urchins like yourself who stood by in wide eyed amazement at the sound of Glass packs shaking the ground. He did seem to put a lot of engines into that old Mercury didn't he? Boys, she was running real strong just before those pistons turned up in the oil pan. Best power mixture. I did not understand the power of an explosion until the day we were setting off our Carbide rockets in front of Billy Oakley's house on Waverly street. A Carbide rocket is a big juice can with about 2" of water in it. Inverted into the first can is a second can that is just a bit taller than the first so that about 1/2" inch of the can sticks up out of the first can. This second can needs a touch hole just even with its rolled lip, so the touch hole is available above the edge of the bottom can. The touch hole is made with just the right sized nail and a hammer. All this very scientific stuff for 10 year old's. You drop a few crystals of carbide (for carbide miners lamps) into the bottom can with the water.The carbide water combination produces acetylene gas. You place the Rocket can into the launch can.You wait just the right length of time, and this is the key to success, it is a time vice gas production rate problem. Or too rich or too lean problem. Looking for best power. Too long before you light the mixture at the touch hole with a safety match, and you get a miners lamp.Just a plume of acetylene burning. The gas has displaced too much of the available oxygenand only burns outside of the can where there is adequate oxygen available. Too Rich. Or. Not long enough, and there is too little gas to sustain a burn and the touch hole pops and blows out the match, or you get the inner (rocket) can to hop out with just a fluffy sounding whump. Too Lean. But if you become an advanced Merlin at NASA style rocketry, and wait just the correct length of time, then the mixture is just right, the rocket (inner can) leaves with an impressive (to 10 year old's) Kaboom and a cloud of water spray. Ideal best power mixture. There may be competition among your followers to catch the rocket can when it returns from its mission, but a savvy Merlin just observes lest the rocket can land on a parked car or in somebody's flower bed. One must be ready to recover the launch can and retreat on ones bicycle in a direction opposite the actual direction to ones home. No need to complicate the situation with lengthy conversations between the aggrieved home owners and your parents. I am forever grateful to Billy Oakley's dad, Frank Oakley who apparently was some kind of genius, and for showing us how to do this kind of stuff. Why yes I was an Ordnance man in the Navy. How did you know? Drawings are available. Lynn E. Hanover ------=_NextPart_000_0012_01CBBAE0.29184C50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

So where can we buy some carbide crystals???  A drawing you say???  = :>)

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com
Sent: Saturday, January = 22, 2011 6:41 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Charge Air Pre-Heat

 

In a message dated 1/22/2011 = 2:21:11 P.M. Eastern Standard Time, keltro@att.net = writes:

Hope all you Flyer's (and hope to = be flyer's) both NA and Turbo are following this thread ??..........Listen

when our  "Rotary Engine Guru" speaks !!...............This info will allow us to = out-distance our backward

Lycoming powered brethren...................<:)

 

=

 

=

Kelly Troyer

  =

You may remember the hot rodder down the street or two blocks over who seemed to = know so much about car engines. Who seemed to have a fan club of urchins like yourself who stood by in wide eyed amazement at the sound of Glass packs shaking the ground. He did seem to put a lot of engines into that old = Mercury didn't he?

Boys, she was running real strong just before those pistons turned up in the = oil pan.

 

Best power mixture.

 

I did not understand the power of an explosion until the day we were setting = off our Carbide rockets in front of Billy Oakley's house on Waverly street. A Carbide rocket = is a big juice can

with about 2” of water in it. Inverted into the first can is a second = can that is just a bit taller than the first so that about 1/2” inch of the = can sticks up out of the first can. This second can needs a touch = hole

just even with its rolled lip, so the touch hole is available above the edge = of the bottom can. The touch hole is made with just the right sized nail and a = hammer. All this very scientific stuff for 10 year = old's.

 

You drop a few crystals of carbide (for carbide miners lamps) into the = bottom can with the water.The carbide water combination produces acetylene gas. You = place the Rocket can into the launch can.You wait just the right length of = time, and this is the key to success, it is a time vice gas production rate = problem. Or too rich or too lean problem.

Looking for best power.

 

Too long before you light the mixture at the touch hole with a safety match, = and you get a miners lamp.Just a plume of acetylene burning. The gas has = displaced too much of the available oxygenand only burns outside of the can where = there is adequate oxygen available. Too Rich.

Or. =

Not long enough, and there is too little gas to sustain a burn and the touch = hole pops and blows out the match, or you get the inner (rocket) can to hop = out with just a fluffy sounding whump. Too Lean.

 

But if you become an advanced Merlin at NASA style rocketry, and wait just the = correct length of time, then the mixture is just right, the rocket (inner = can) leaves with an impressive (to 10 year old's) Kaboom and a cloud of water spray.  Ideal best power mixture.

 

There may be competition among your followers to catch the rocket can when it = returns from its mission, but a savvy Merlin just observes lest the rocket can = land on a parked car or in somebody’s flower bed. One must be ready to = recover the launch can and retreat on ones bicycle in a direction opposite the = actual direction to ones home. No need to complicate the situation with lengthy conversations between the aggrieved home owners and your = parents.

I am forever grateful to Billy Oakley's dad, Frank Oakley who apparently was = some kind of genius, and for showing us how to do this kind of = stuff.

Why yes I was an Ordnance man in the Navy. How did you = know?

Drawings are available.

Lynn E. Hanover

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