Kolb-List Digest Archive

Sun 02/28/10


Total Messages Posted: 10



Today's Message Index:
----------------------
 
     1. 03:11 AM - Re: Re: Firefly full enclosure (Denny Rowe)
     2. 05:08 AM - Re: Firefly full enclosure (Thom Riddle)
     3. 06:19 AM - Re: Firefly full enclosure (joepilot503)
     4. 06:55 AM - Re: Firefly full enclosure (Thom Riddle)
     5. 12:43 PM - Re: Performance of a Bose headset on a Kolb (Rotax engines) (GeoB)
     6. 12:58 PM - Re: Fuel Reserve and UL's (GeoB)
     7. 01:03 PM - Re: Re: Fuel Reserve and UL's (Jack B. Hart)
     8. 02:11 PM - Re: Re: Fuel Reserve and UL's (John Hauck)
     9. 02:53 PM - 75% Power (Richard Girard)
    10. 08:49 PM - Re: Re: Fuel Reserve and UL's (Herb)
 
 
 


Message 1


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    Time: 03:11:55 AM PST US
    From: "Denny Rowe" <rowedenny@windstream.net>
    Subject: Re: Firefly full enclosure
    ----- > > Brian/Gang: > > Wish I had had those mods on my FS wings 20 years ago next month. I might > still be flying it if I had. > > They look good. > > john hauck > mkIII > Titus, Alabama > > > Brian, That does look like first class work on your Firestar, always a pleasure to see the work of real craftsman. Denny Rowe, Mk-3, PA


    Message 2


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    Time: 05:08:46 AM PST US
    Subject: Re: Firefly full enclosure
    From: "Thom Riddle" <riddletr@gmail.com>
    Very nice work and worthwhile mods. I'm curious about your fuel tank. What are the dimensions and capacity? -------- Thom Riddle Buffalo, NY Kolb Slingshot SS-021 Jabiru 2200A #1574 Tennessee Prop 64x32 An ounce of action is worth a ton of theory. - Friedrich Engels Read this topic online here: http://forums.matronics.com/viewtopic.php?p=288587#288587


    Message 3


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    Time: 06:19:01 AM PST US
    Subject: Re: Firefly full enclosure
    From: "joepilot503" <joepilot503@hotmail.com>
    Thanks guys for the compliments. Thom as far as the dimensions of the tank I would guess about 13 x 16, It's 8 gal. Let me know if you need exact dimensions I'll measure it. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=288596#288596


    Message 4


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    Time: 06:55:40 AM PST US
    Subject: Re: Firefly full enclosure
    From: "Thom Riddle" <riddletr@gmail.com>
    Exact dimensions not required by me. Just curious how much you could carry in a drum tank. do not archive -------- Thom Riddle Buffalo, NY Kolb Slingshot SS-021 Jabiru 2200A #1574 Tennessee Prop 64x32 An ounce of action is worth a ton of theory. - Friedrich Engels Read this topic online here: http://forums.matronics.com/viewtopic.php?p=288597#288597


    Message 5


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    Time: 12:43:30 PM PST US
    Subject: Re: Performance of a Bose headset on a Kolb (Rotax engines)
    From: "GeoB" <gab16@sbcglobal.net>
    Jason Omelchuck wrote: > I am going to try a different method of just using the earbuds for noise canceling and the headsets for listening > It sounds to me like the noise canceling will be trying to cancel the sound of the radio. -------- GeoB &quot;Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors&quot; Read this topic online here: http://forums.matronics.com/viewtopic.php?p=288638#288638


    Message 6


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    Time: 12:58:59 PM PST US
    Subject: Re: Fuel Reserve and UL's
    From: "GeoB" <gab16@sbcglobal.net>
    jbhart(at)onlyinternet.ne wrote: > If you equate 75% power as 75% carburetor slide opening, the 447 will be running at max power. This is due to the fact that the Bing 54 carburetor is over sized for the engine. Also note that this carb, like MANY others, has no linear relationship between throttle-slide movement and cross-sectional area of the throttle bore opened. Butterfly carbs have a similar problem. I thought there was an 'official' definition of 75% power. I don't recall for sure but it seemed like it was something like 100% rpm, then back off 10% rpm. -------- GeoB &quot;Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors&quot; Read this topic online here: http://forums.matronics.com/viewtopic.php?p=288641#288641


    Message 7


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    Time: 01:03:38 PM PST US
    From: "Jack B. Hart" <jbhart@onlyinternet.net>
    Subject: Re: Fuel Reserve and UL's
    At 08:42 PM 2/26/10 -0600, you wrote: > >Richard P/Gang: > >I flew all my two strokes at 5800 rpm cruise. > >My 582 powered mkIII cruised 80 mph at 5800 rpm and burned 5.5 gph. > >My 447 powered FS cruised (can not remember the cruise speed) at 5800 rpm >and burned 3.5 to 3.75 gph. > >My ULII02 powered US cruised (can not remember the cruise speed) at 5800 rpm >and burned 3.5 gph. > >My 912UL powered mkIII cruised 85 mph at 5,000 rpm and burned 4.0 gph. > >My 912ULS powered mkIII cruises at 88 mph at 5,000 rpm and burns 5.0 gph. > >I flew/fly all my two and four stroke engines at aprx'ly 75% power. They >all were happy at that power setting and the airplanes and I were too. > John, >From being on the list for a few years, I questioned your 75% power cruise statement because it countered my impression of how you flew your planes. I checked with http://www.rotaxservice.com/rotax_engines and using the numbers proved from the various engine model spec sheets this is what I found. engine max hp max hp .75 max .75 max |John's hp % max model (cont') rpm hp rpm | rpm (dev') hp 582 65 6,500 49 5,300 |5,800 61 94 447 40 6,500 30 5,200 |5,800 37 93 912ul 79 5,500 59 4,000 |5,000 74 94 912uls 95 5,500 71 4,200 |5,000 89 94 Approximately 75%? Jack B. Hart FF004 Winchester, IN


    Message 8


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    Time: 02:11:20 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Fuel Reserve and UL's
    >From being on the list for a few years, I questioned your 75% power cruise statement because it countered my impression of how you flew your planes. Jack B. Hart FF004 OK john hauck mkIII Titus, Alabama


    Message 9


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    Time: 02:53:33 PM PST US
    Subject: 75% Power
    From: Richard Girard <aslsa.rng@gmail.com>
    By definition it is when or at what conditions the engine is producing 75% of its rated power. You calculate what that would be, on my 582 it's about 48 HP and according to the graph in the Rotax operations manual for the two strokes on page 10-3 that occurs at about 5200 RPM. Rick Girard


    Message 10


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    Time: 08:49:29 PM PST US
    From: Herb <herbgh@nctc.com>
    Subject: Re: Fuel Reserve and UL's
    71 hp divided by 12 hp per gal per hour...comes to abt 5.9 gals hour... Seems a bit high...I am guessing that the 912uls burns about 5.5 gals hour at 75 % power? Herb At 04:10 PM 2/28/2010, you wrote: >--=======AVGMAIL-29A51582====== >Content-Type: text/plain; charset=us-ascii > > > > >From being on the list for a few years, I questioned your 75% power cruise >statement because it countered my impression of how you flew your planes. >Jack B. Hart FF004 > > >OK > >john hauck >mkIII >Titus, Alabama > > >--=======AVGMAIL-29A51582====== >Content-Type: multipart/alternative; > boundary="=======AVGMAIL-1D000391=======" > >--=======AVGMAIL-1D000391====== >Content-Type: text/plain; x-avg=cert; charset=us-ascii >Content-Transfer-Encoding: quoted-printable >Content-Disposition: inline >Content-Description: "AVG certification" > > >Checked by AVG - www.avg.com >34:00 > >--=======AVGMAIL-29A51582=======-- <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html> --=======AVGMAIL-1D000391=======--




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