RV8-List Digest Archive

Fri 01/20/06


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 09:45 AM - Re: Electonic ignition options (Al Grajek)
     2. 02:06 PM - Re: Plenum (Terry Watson)
     3. 03:55 PM - IO-390 questions (Larry Miller)
     4. 08:21 PM - Re: Electonic ignition options (Tom Scherder)
 
 
 


Message 1


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    Time: 09:45:26 AM PST US
    From: "Al Grajek" <algrajek@msn.com>
    Subject: Re: Electonic ignition options
    --> RV8-List message posted by: "Al Grajek" <algrajek@msn.com> Tom: How have you been? We need to get together. Where is the best place to get the lightspeed. and How much? Thanks Al >From: "Tom Scherder" <tomscherder@hotmail.com> >To: <rv8-list@matronics.com> >Subject: Re: RV8-List: Electonic ignition options >Date: Thu, 19 Jan 2006 23:27:08 -0500 > >--> RV8-List message posted by: "Tom Scherder" <tomscherder@hotmail.com> > >Al, >I really love our lightspeed. If the other mag goes I'm putting another one >on. Quick starts, almost no RPM drop on mag check. >Tom >----- Original Message ----- >From: "Al Grajek" <algrajek@msn.com> >To: <rv-list@matronics.com>; <rv8-list@matronics.com>; ><rv8list@yahoogroups.com>; <vansairforce@yahoogroups.com> >Sent: Thursday, January 19, 2006 3:47 PM >Subject: RV8-List: Electonic ignition options > > > > --> RV8-List message posted by: "Al Grajek" <algrajek@msn.com> > > > > Listers: > > At the risk of starting a huge thread: What are the different types of > > ignition systems out there for the I/O 360? Mfg and comments good or bad >for > > each? > > Thanks > > Al Grajek > > RV8 > > engine re-build > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >


    Message 2


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    Time: 02:06:39 PM PST US
    From: "Terry Watson" <terry@tcwatson.com>
    Subject: Plenum
    --> RV8-List message posted by: "Terry Watson" <terry@tcwatson.com> Don, I was hoping someone with more experience would have responded to your question by now, but since I haven't seen anything, let me mention my experiences to date: I bought an expensive carbon-fiber plenum for my 0-360 and have spent months trying to make it work. Most of the blame belongs with me; I seem to need to build something two or three times before it starts to be acceptable. Everything worked reasonably well until I got to the front inlets and connecting the plenum up to the cowl. I totally rebuilt the front of the carbon fiber plenum twice to get it to line up with the cowl inlets, then ordered a new baffle kit from Van's and set the plenum aside as a maybe winter project once I get this thing flying. I have seen three general approaches to plenums in RV's. The first is the Sam James composite plenum and cowl combination where the cowl inlets are round and connect up with a flexible sleeve to the round inlets on the plenum. The next approach is essentially to do the baffles but instead of doing the flexible rubber seal from the baffles to the top cowl, cut down the baffles and use either aluminum or composite to make a plenum out of the baffles. The third approach I have seen is best shown my Mark Philips on his RV-6 website, which I can't find at the moment. I have also seen similar plenums that come with a new Jaibaru engine from the factory. These are somewhat distorted composite or aluminum tubes that run from the cowl air inlet over the cylinders, one on each side. The bottom of the tube is open of course to force the air down through the cooling fins on the cylinders. If I do another plenum, I will probably do the baffles, cut them down, and then lay up a composite top that would fasten to the baffles on the sides and back with piano hinges. I still haven't figured out how I would connect it to the air inlets at the front. Terry RV-8A #80729, finishing (Whirl Wind 200RV prop came yesterday!) Seattle -----Original Message----- From: owner-rv8-list-server@matronics.com [mailto:owner-rv8-list-server@matronics.com] On Behalf Of DCS317@aol.com Sent: Wednesday, January 18, 2006 3:35 PM Subject: RV8-List: Plenum --> RV8-List message posted by: DCS317@aol.com I'd like to change to a plenum and make it myself rather than use the available "off the shelf" types. Aluminum vs. fiberglass? Anyone made one similar to Diamond Aircraft's two-part plenum? Reason for change--running ok except hot weather CHTs go to 425+ on a couple cylinders despite injector sizing changes on my IO-540 with Lasar and proper baffling. Please no comments on the IO-540--I just like excess power! Don Schmiesing Seattle 110 hours on 417DS


    Message 3


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    Time: 03:55:06 PM PST US
    From: Larry Miller <xsmiller@yahoo.com>
    Subject: IO-390 questions
    --> RV8-List message posted by: Larry Miller <xsmiller@yahoo.com> I am building an RV-8 and planning to use an IO-390. I know there are some out there and I would love to ask some questions if you would identify yourselves. Thanks, Larry Miller N184LM to be


    Message 4


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    Time: 08:21:28 PM PST US
    From: "Tom Scherder" <tomscherder@hotmail.com>
    Subject: Re: Electonic ignition options
    --> RV8-List message posted by: "Tom Scherder" <tomscherder@hotmail.com> Al, I got our lightspeed on their website.I had a problem with a wire and they took care of it. I think I paid about $900.00 for it. A new mag is pretty close. They claim you can expect a 10 horsepower boost with 1 lightspeed and even more if you use 2. I can't tell any difference since we put it on in the beginning. I will say that this little plane can sure scoot. We cruise at over 190 and I had another pilot tell me that we could get over 200 if we keep everything against the wall. I had 2500 with full power at 5500ft and got consistently 194+mph. Tom ----- Original Message ----- From: "Al Grajek" <algrajek@msn.com> Sent: Friday, January 20, 2006 12:44 PM Subject: Re: RV8-List: Electonic ignition options > --> RV8-List message posted by: "Al Grajek" <algrajek@msn.com> > > Tom: > How have you been? We need to get together. Where is the best place to get > the lightspeed. and How much? > Thanks > Al > > > >From: "Tom Scherder" <tomscherder@hotmail.com> > >To: <rv8-list@matronics.com> > >Subject: Re: RV8-List: Electonic ignition options > >Date: Thu, 19 Jan 2006 23:27:08 -0500 > > > >--> RV8-List message posted by: "Tom Scherder" <tomscherder@hotmail.com> > > > >Al, > >I really love our lightspeed. If the other mag goes I'm putting another one > >on. Quick starts, almost no RPM drop on mag check. > >Tom > >----- Original Message ----- > >From: "Al Grajek" <algrajek@msn.com> > >To: <rv-list@matronics.com>; <rv8-list@matronics.com>; > ><rv8list@yahoogroups.com>; <vansairforce@yahoogroups.com> > >Sent: Thursday, January 19, 2006 3:47 PM > >Subject: RV8-List: Electonic ignition options > > > > > > > --> RV8-List message posted by: "Al Grajek" <algrajek@msn.com> > > > > > > Listers: > > > At the risk of starting a huge thread: What are the different types of > > > ignition systems out there for the I/O 360? Mfg and comments good or bad > >for > > > each? > > > Thanks > > > Al Grajek > > > RV8 > > > engine re-build > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >




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