X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost02.isp.att.net ([207.115.11.52] verified) by logan.com (CommuniGate Pro SMTP 5.3.0) with ESMTP id 4069465 for flyrotary@lancaironline.net; Fri, 08 Jan 2010 14:35:46 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.52; envelope-from=keltro@att.net DKIM-Signature: v=1; q=dns/txt; d=att.net; s=dkim01; i=keltro@att.net; a=rsa-sha256; c=relaxed/relaxed; t=1262979344; h=Content-Type: MIME-Version:In-Reply-To:Message-Id:Date:Subject:To:From; bh=t9wgsE 6VuV9cuOsB/K65n2b8rpZVSGuE4fs+DLhC5fY=; b=I/57erDxfgEIp84YOOUpyuyM4 ZrYNPbdDtiwENH1OKfCwWqcWeMBgmHEoG8q/gC76NhBscEuz2Kg4HiS0V7gwQ== Received: from fwebmail05.isp.att.net ([204.127.218.105]) by isp.att.net (frfwmhc02) with SMTP id <20100108193508H0200l78lue>; Fri, 8 Jan 2010 19:35:08 +0000 X-Originating-IP: [204.127.218.105] Received: from [208.114.42.14] by fwebmail05.isp.att.net; Fri, 08 Jan 2010 19:35:08 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: First start Date: Fri, 08 Jan 2010 19:35:08 +0000 Message-Id: <010820101935.29496.4B4788EC000555690000733822230682229B0A02D29B9B0EBF019D9B040A05@att.net> In-Reply-To: X-Mailer: AT&T Message Center Version 1 (Mar 2 2009) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_29496_1262979308_0" --NextPart_Webmail_9m3u9jl4l_29496_1262979308_0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Lynn, I presume this only works with a carburetor ??............. (snip) One tuning trick for racers is to get on a long straight at full tilt and = shut off the fuel pumps. If the power drops off instantly it was too lean. = If the power goes up a bit and then goes away, it was right on mixture. (ju= st rich of peak EGT).=20 This would be too lean also for long apex seal life. If it builds power for= a second or longer then goes flat, it was a bit too rich. Kind of crude bu= t it works, and tells you where you are with no equipment at all. The idle = circuit is all by itself.=20 (snip) -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from Lynn Hanover : --= ------------=20 thank you for all your input. guess I won't buy 25 gallons of antifreeze t= o dump in a 55 gal drum! no, I'm in no rush, hell, it's raining every day = around here, I can barely fly what I have. the msd has a limiter circuit. I think I can trust it to work. I could di= sconnect the trailing plugs at first since they have no limiters. I have t= o review the msd literature. I think I need to snip a wire to make it thin= k I have a 6 cylinder engine (?) I need a light weight prop, considering how my engine mount came in at some= staggering 30+ lbs. the exhaust was hefty too. I need to find a used one= for now. with a carb is there a need for an oxygen sensor? will I tune the jets oth= ermeans? ken welter said he'd help me with those, he's figured his jet siz= es long ago. [Lynn - coffee comes in a can? I dump it from a bin at the store into a pa= per bag and grind it at home! =E2=98=BA yes, and real beer comes in a bott= le requiring an opener! it's a Pacific NW thing] ummm, the "elephant with diarrhea" . yes, it actually gets hits with googl= e, but no sound tracks [thank you] =E2=98=BA kevin 4 cylinders for a 2 rotor. 6 cylinders if its a 3 rotor. Unloaded the oxygen sensor will be all over the place with low temps. A he= ated sensor if you want to tune low power. Loaded the sensor will stay hot = and read accuratly. And, or, EGT probes 3 incha out from the port. Best pow= er is about 1600 degrees or, 12.7 F/A. This is actually very close to best = power with a margin on the rich side. This to support good apex seal health= . Once at cruise you can lean to rough running and back up a bit to smooth = just like an airplane, except it will run far leaner than a piston engine. = Of course the power goes down along with the reduced fuel flow. For short = runs you just pull off throttle, but for long runs, the throttle stays up a= nd fuel flow is reduced.=20 One tuning trick for racers is to get on a long straight at full tilt and s= hut off the fuel pumps. If the power drops off instantly it was too lean. I= f the power goes up a bit and then goes away, it was right on mixture. (jus= t rich of peak EGT). This would be too lean also for long apex seal life. If it builds power for= a second or longer then goes flat, it was a bit too rich. Kind of crude bu= t it works, and tells you where you are with no equipment at all. The idle = circuit is all by itself. Power is all from the booster. The big tube hanging in the middle of the ch= oke, or main venturi (also changable) Overall fuel supply is the main jet. = Mid range and transition is the emulsion tube. F-7, F-8 or F-11 is all you = need for every situation. Usually F-7. Top end mixture is air corrector. Fu= el level too high to too low is 3 main jet sizes. Two air corrector sizes i= s the same as one main jet change. 99% of all the jets anyone buys are usle= ss and never get used. All of the jets to cover a scalding hot day or a win= ter day fit in a very small pill vile. If your chokes are the same as Kens= , just use the same jats he uses. He hammers his with a nitrus shot to get = off the water. He also shuts off the trailing plugs during nitrus to preven= t detonation. He knows what he's doing.=20 You cannot keep new lightly oiled AN-4 bolts in a paper bag. There is a bar= across the bridge from here. The guy has beer in a bottle. But its just to= look at. He won't sell it or open it. Don't feel bad. Its cold here in Florida. Some Northwest weather spilled do= wn here. Lynn E. Hanover=20=20=20 --NextPart_Webmail_9m3u9jl4l_29496_1262979308_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_29496_1262979308_1" --NextPart_Webmail_9m3u9jl4l_29496_1262979308_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Lynn,
  I presume this only works with a carburetor ??.............
 
(snip)
 One tuning trick for racers is to g= et on a long straight at full tilt and shut off the fuel pumps. If the powe= r drops off instantly it was too lean. If the power goes up a bit and then = goes away, it was right on mixture. (just rich of peak EGT).=20
This would be too lean also for long apex= seal life. If it builds power for a second or longer then goes flat, it wa= s a bit too rich. Kind of crude but it works, and tells you where you are w= ith no equipment at all. The idle circuit is all by itself.
(snip)
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d



 
-------------- Original message from Lynn Hanover <lehano= ver@gmail.com>: --------------

thank you for all your input.  guess= I won't buy 25 gallons of antifreeze to dump in a 55 gal drum!  no, I= 'm in no rush, hell, it's raining every day around here, I can barely fly w= hat I have.
the msd has a limiter circuit.  I th= ink I can trust it to work.  I could disconnect the trailing plugs at = first since they have no limiters.  I have to review the msd literatur= e.  I think I need to snip a wire to make it think I have a 6 cylinder= engine (?)
I need a light weight prop, considering h= ow my engine mount came in at some staggering 30+ lbs.  the exhaust wa= s hefty too.  I need to find a used one for now.
with a carb is there a need for an oxygen= sensor?  will I tune the jets othermeans?  ken welter said he'd = help me with those, he's figured his jet sizes long ago.
[Lynn - coffee comes in a can?  I du= mp it from a bin at the store into a paper bag and grind it at home! =E2=98= =BA  yes, and real beer comes in a bottle requiring an opener!  i= t's a Pacific NW thing]
ummm, the "elephant with diarrhea" . = ; yes, it actually gets hits with google, but no sound tracks [thank you] = =E2=98=BA   kevin
 
4 cylinders for a 2 rotor. 6 cylinders if= its a 3 rotor.
 
Unloaded the oxygen sensor will be  = all over the place with low temps. A heated sensor if you want to tune low = power. Loaded the sensor will stay hot and read accuratly. And, or, EGT pro= bes 3 incha out from the port. Best power is about 1600 degrees or, 12.7 F/= A. This is actually very close to best power with a margin on the rich side= . This to support good apex seal health. Once at cruise you can lean to rou= gh running and back up a bit to smooth just like an airplane, except it wil= l run far leaner than a piston engine. Of course the power goes down along = with the reduced fuel flow.  For short runs you just pull off throttle= , but for long runs, the throttle stays up and fuel flow is reduced.&n= bsp;
 
One tuning trick for racers is to get on = a long straight at full tilt and shut off the fuel pumps. If the power drop= s off instantly it was too lean. If the power goes up a bit and then goes a= way, it was right on mixture. (just rich of peak EGT).
This would be too lean also for long apex= seal life. If it builds power for a second or longer then goes flat, it wa= s a bit too rich. Kind of crude but it works, and tells you where you are w= ith no equipment at all. The idle circuit is all by itself.
 
Power is all from the booster. The big tu= be hanging in the middle of the choke, or main venturi (also changable) Ove= rall fuel supply is the main jet. Mid range and transition is the emulsion = tube. F-7, F-8 or F-11 is all you need for every situation. Usually F-7. To= p end mixture is air corrector. Fuel level too high to too low is 3 main je= t sizes. Two air corrector sizes is the same as one main jet change. 99% of= all the jets anyone buys are usless and never get used. All of the jets to= cover a scalding hot day or a winter day fit in a very small pill vile.&nb= sp; If your chokes are the same as Kens, just use the same jats he uses. He= hammers his with a nitrus shot to get off the water. He also shuts off the= trailing plugs during nitrus to prevent detonation. He knows what he's doi= ng. 
 
You cannot keep new lightly oiled AN-4 bo= lts in a paper bag. There is a bar across the bridge from here. The guy has= beer in a bottle. But its just to look at. He won't sell it or open it.
 
Don't feel bad. Its cold here in Florida.= Some Northwest weather spilled down here.
 
Lynn E. Hanover   <= /DIV>
--NextPart_Webmail_9m3u9jl4l_29496_1262979308_1-- --NextPart_Webmail_9m3u9jl4l_29496_1262979308_0--