AeroElectric-List Digest Archive

Fri 01/20/06


Total Messages Posted: 7



Today's Message Index:
----------------------
 
     1. 04:18 AM - Re: Floscan 201B varnish? (LarryRobertHelming)
     2. 05:49 AM - Xm Satellite to intercom (Eric Newton)
     3. 06:13 AM - T&B ergonomics (Ken)
     4. 06:37 AM - Re: Xm Satellite to intercom (James Freeman)
     5. 09:33 AM - Re: Xm Satellite to intercom (Steve Thomas)
     6. 12:57 PM - Rotax oil sender with switch ()
     7. 05:24 PM - Re: Iso Amp - 2 stereo - 3 mono inputs (Pete Howell)
 
 
 


Message 1


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    Time: 04:18:08 AM PST US
    From: "LarryRobertHelming" <lhelming@sigecom.net>
    Subject: Re: Floscan 201B varnish?
    --> AeroElectric-List message posted by: "LarryRobertHelming" <lhelming@sigecom.net> Seems it would be a lot easier to switch over to an approved fuel that does no harm to the transducer just before shutting down the system if that is possible. Adding a small tank of approved fuel with a fuel selector would do it. On my plane I have only one transducer that is located down stream after the tank selector switch. I run mogas in one tank and 100LL in the other. I always take off and land on the 100LL tank. Indiana Larry, RV7 Tip Up SunSeeker 78 hours "Please use the information and opinions I express with responsibility, and at your own risk." > --> AeroElectric-List message posted by: <rparigor@suffolk.lib.ny.us> > > We are working on our 914 fuel system. It has 2 Floscan 201B transducers > for flow gauge. > > I called Flowscan about installation, and was told if using mogas, you > need to drain lines so there is no fuel in the transducer, or else the > optics will get varnished over. He said 70 to 80% of the time you can take > out the transducer and put a pipe plug in 1 end and use carb and choke > cleaner and let it sit. But if that does not work the transducer is not > serviceable. > > Have those out there using mogas and 201Bs been draining lines during > times of inactivity? > > How many have needed to clean or replace 201Bs? > > Thx. > Ron Parigoris > > >


    Message 2


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    Time: 05:49:29 AM PST US
    From: "Eric Newton" <harleyrider.57@juno.com>
    Subject: Xm Satellite to intercom
    --> AeroElectric-List message posted by: "Eric Newton" <harleyrider.57@juno.com> Hi All, I'm new to the list and this is my 1st question. I'm building a Bearhawk and getting ready to start on the panel and electrical connections. I am planning an Audiovox XM satellite connected to my PS Engineering PM2000 intercom. The audiovox is designed to transmit to your car's FM radio but it does have an output for headphones. My question is, if I hook up the headphone output to the intercom, will I need to amplify the signal somehow or will a direct connection work? If amplification is needed, where can I get it? Thanks, Eric Newton - Long Beach, MS BH #682 http://mybearhawk.com


    Message 3


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    Time: 06:13:31 AM PST US
    From: Ken <klehman@albedo.net>
    Subject: T&B ergonomics
    --> AeroElectric-List message posted by: Ken <klehman@albedo.net> I'll second the compliment Old Bob! The ergonomics of a T&B is also worth consideration IMO. I've never misinterpreted a T&B or wasted seconds trying to interpret what it was telling me. Under stress, some level of my brain is confused when a TC moves in the opposite physical direction as the horizon. And I've also yet to see a note on a T&B reminding me that it does not provide pitch attitude... Ken L. BobsV35B@aol.com wrote: >--> AeroElectric-List message posted by: BobsV35B@aol.com > > > >In a message dated 1/18/2006 1:20:18 P.M. Central Standard Time, >kennethward@peoplepc.com writes: > >I thank you very much for that gold nugget of knowledge. > >I love it when somebody who actually knows what they're talking about can, >in a single sentence, take scattered facts bouncing about my brain and turn it >into knowledge. > >Ken Ward


    Message 4


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    Time: 06:37:54 AM PST US
    From: James Freeman <flyeyes@mac.com>
    Subject: Re: Xm Satellite to intercom
    --> AeroElectric-List message posted by: James Freeman <flyeyes@mac.com> On Jan 20, 2006, at 7:42 AM, Eric Newton wrote: > --> AeroElectric-List message posted by: "Eric Newton" <harleyrider. > 57@juno.com> > > Hi All, > I'm new to the list and this is my 1st question. I'm building a > Bearhawk and getting ready to start on the panel and electrical > connections. > > I am planning an Audiovox XM satellite connected to my PS > Engineering PM2000 intercom. The audiovox is designed to transmit > to your car's FM radio but it does have an output for headphones. > My question is, if I hook up the headphone output to the intercom, > will I need to amplify the signal somehow or will a direct > connection work? If amplification is needed, where can I get it? > > Eric, the PS Engineering intercoms have "music input" pins that are what you want. I don't remember the pin numbers off the top of my head, but the diagrams are available online. I ordered my radios from John Stark, and he sent them pre-wired, with each wire labeled. I soldered the labeled wires to a female headphone jack (a buck or to from Radio Shack) that I put in a convenient place, and now I can listen to my XM, or ipod, or whatever, in flight. Very easy to do.


    Message 5


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    Time: 09:33:16 AM PST US
    From: Steve Thomas <lists@stevet.net>
    Subject: Re: Xm Satellite to intercom
    --> AeroElectric-List message posted by: Steve Thomas <lists@stevet.net> Eric, Please make sure that you can turn the FM transmitter off! You don't want that FM transmitter broadcasting while you have it in your panel. There are other units out there that have aux. outputs for this purpose and where you can turn the FM off. The unit that I'm using is the SkyFi2 and it has all these features. On Jan 20, 2006, at 5:42 AM, Eric Newton wrote: > --> AeroElectric-List message posted by: "Eric Newton" <harleyrider. > 57@juno.com> > > Hi All, > I'm new to the list and this is my 1st question. I'm building a > Bearhawk and getting ready to start on the panel and electrical > connections. > > I am planning an Audiovox XM satellite connected to my PS > Engineering PM2000 intercom. The audiovox is designed to transmit > to your car's FM radio but it does have an output for headphones. > My question is, if I hook up the headphone output to the intercom, > will I need to amplify the signal somehow or will a direct > connection work? If amplification is needed, where can I get it? > > Thanks, > Eric Newton - Long Beach, MS > BH #682 > http://mybearhawk.com > > Best Regards, Steve Thomas SteveT.Net steve@stevet.net 805-569-0336 Office


    Message 6


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    Time: 12:57:41 PM PST US
    Subject: Rotax oil sender with switch
    From: <rparigor@SUFFOLK.LIB.NY.US>
    --> AeroElectric-List message posted by: <rparigor@suffolk.lib.ny.us> Thx, for the replies about using a VDO sender with an additional contact to run a low oil light and hobbs. Lockwood Aviation now sells those senders. Ron Parigoris


    Message 7


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    Time: 05:24:47 PM PST US
    From: "Pete Howell" <pete.howell@gecko-group.com>
    Subject: Re: Iso Amp - 2 stereo - 3 mono inputs
    --> AeroElectric-List message posted by: "Pete Howell" <pete.howell@gecko-group.com> Hi Bob, I am shamelessly copying your Iso Amp and modifying it to have 2 stereo inputs. In the schematics, you show the input to the op amp as pin 3 on the right channel and pin 2 on the left channel. I am not an electronics guy, but a EE friend said this would seem this would put the channels out of phase. This might be trick to deal with the mono inputs, could you comment? My daughter and I are going to draw the schematics, lay out the boards and make the device as her science fair project. Then we will put it in the RV. Bob - thanks for all your help. Pete --> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckollsr@cox.net> At 07:45 AM 1/18/2006 -0600, you wrote: Are you going to listen to both at the same time? A DPDT switch would let you select which source was being fed to the amplifier. Alternatively, you add second input networks of a 150 ohm resistor, 10uF cap to pin 2 of amplifier for each channel. Loaded of course as appropriate (R98/99). Bob . . .




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