flyrotary@lancaironline.net Mailing List Archive

Here is a picture of my dual alternator setup. Quoting Bryan <bhcishere@comcast.net>: > Send it to the group, Please. > > ----- Original Message ----- > From: "Mark Steitle" <msteitle@mail.utexas.edu> > To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> > Sent: Thursday, June 17, 2004 9:07 AM > Subject: [FlyRotary] Re: second belt on alternator > > > > Bill, > > I'll take a picture of my alternator/water pump setup tonight and send to > > you tomorrow. If there is any interest, I could send it to the Fly Rotary > > group also. > > > > Mark S. > > > > > > At 08:46 AM 6/17/2004 -0700, you wrote: > > >I would very much like to see a picture. > > > > > >My engine has an e-shaft drive pulley with room for two V-belts, as does > > >my 13-B water pump. My cowl will not allow installation of alternator on > > >top of engine, so it has to be on the plug side. I could run two belts > > >(identical) from water pump and alternator (need 2-groove alternator > > >pulley), but if one were to break, and cause the other to break, I would > > >lose all cooling (water pump). > > > > > >I considered a second alternator, so one belt drives each alternator, > > >located in different locations, with the thought (hope) that loss of one > > >belt would be less likely to lose the other. Most planes flying 60 amp > > >alternators or less have only one belt. > > > > > >A second thought was if I cannot fit in a second alternator, is to have > > >the second belt just drive the water pump, with an idler pulley, then if > > >alternator belt departs, the pump still works, and I can start looking > for > > >a place to land using battery power. > > > > > >With all electric ignition, and fuel pumps, and EFIS, I need to address > > >redundancy. > > >Bill Schertz > > >KIS Cruiser # 4045 > > >----- Original Message ----- > > >From: Mark Steitle > > >Sent: 6/17/2004 5:55:27 AM > > >To: flyrotary@lancaironline.net > > >Subject: [FlyRotary] Re: second belt on alternator > > > > > > > Bill, > > > > My 20B came setup for multiple belts. It has the multi-v type > pulleys. I > > > > recently discovered that the 20B w/p pulley won't fit over a 13B w/p. > I > > > > could take a picture of my dual alternator setup, if that would help. > > > > > > > > Mark S. > > > > > > > > At 06:25 AM 6/16/2004 -0500, you wrote: > > > > >I have been looking at how a redundant belt that would continue to > > > drive the > > > > >water pump could be installed, but have not found a viable routing. > > > > >Bill Schertz > > > > >KIS Cruiser # 4045 > > > > >----- Original Message ----- > > > > >From: "Wynn, Mike" <mike.wynn@spectra-physics.com> > > > > >To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> > > > > >Sent: Wednesday, June 16, 2004 12:43 AM > > > > >Subject: [FlyRotary] flyrotary Web Archive > > > > > > > > > > > > > > > > I hadn't thought of the advantages of a second independent belt to > > > act as > > > > >a > > > > > > back up for the water pump. Was actually thinking of an > > > thermostatically > > > > > > switched EWP as backup and trying to do something at the other end > > > of the > > > > > > motor. Any option to use the flywheel teeth to drive something or > > > is that > > > > >a > > > > > > silly one? > > > > > > Cheers > > > > > > Mike > > > > > > > > > > > > >> Homepage: http://www.flyrotary.com/ > > > > > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > > > > > > > > > > > > > >> Homepage: http://www.flyrotary.com/ > > > > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > > > > > > > > > > >> Homepage: http://www.flyrotary.com/ > > > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > > > > > > > >> Homepage: http://www.flyrotary.com/ > > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > > > > >> Homepage: http://www.flyrotary.com/ > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.705 / Virus Database: 461 - Release Date: 6/12/2004 > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html >