Kolb-List Digest Archive

Sun 04/18/10


Total Messages Posted: 14



Today's Message Index:
----------------------
 
     1. 03:52 AM - Re: Re: Good news and bad news (Richard Girard)
     2. 01:01 PM - flight (Larry Cottrell)
     3. 01:24 PM - Re: flight (John Hauck)
     4. 01:47 PM - Vertical speed indicator (lhaggerty)
     5. 04:11 PM - short video of today's trip (Larry Cottrell)
     6. 04:13 PM - HAC-Man Setup... Attn. Larry C. (henry.voris)
     7. 04:33 PM - Re: HAC-Man Setup... Attn. Larry C. (Larry Cottrell)
     8. 04:47 PM - Re: HAC-Man Setup... Attn. Larry C. (henry.voris)
     9. 05:50 PM - Re: back in the air in michigan (Arksey@aol.com)
    10. 06:22 PM - 503 on a Firefly (chris davis)
    11. 07:32 PM - Re: build pics (cristalclear13)
    12. 08:40 PM - Re: short video of today's trip (cristalclear13)
    13. 08:44 PM - Re: back in the air in michigan (cristalclear13)
    14. 09:23 PM - Re: Re: short video of today's trip (Larry Cottrell)
 
 
 


Message 1


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    Time: 03:52:46 AM PST US
    Subject: Re: Good news and bad news
    From: Richard Girard <aslsa.rng@gmail.com>
    Richard, I used a radiator from a Honda Sabre 750. $20 bucks plus shipping off eBay and $35 to have the inlet and outlet changed to accommodate the sizes needed for the 582. If I'd known how easy it was to get reducers from Sport Hoses I could have eliminated the rework. Rick On Sat, Apr 17, 2010 at 10:29 PM, Richard Pike <richard@bcchapel.org> wrote: > > What kind of M/C radiator are you using? I have used several different > sorts of M/C radiators with good success, and they can usually be found in > junkyards for under $75. > > Richard Pike > MKIII N420P (420ldPoops) > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=294614#294614 > >


    Message 2


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    Time: 01:01:14 PM PST US
    From: "Larry Cottrell" <lcottrell@fmtcblue.com>
    Subject: flight
    Another nice day with promise, so after waiting for the temps to warm up to tolerable, I decided to check the area South East of the house. The terrain climbs quite a bit, so instead of my usual tendency to hug the ground, I took the plane up to 7500 feet. The only problem of course to waiting for the temps to climb is that it generally only occurs around noon and the thermals start to kick in. I am still working on developing parameters of my HKS and the Hacman fuel system, so this time I planned to dial the EGT's up to near 1400 degrees or lean of peak which ever came first. I had a headwind so my ground speed was about 56 MPH. The first picture is looking South West into Nevada, and the next is South East also in Nevada. The water course is the South Fork of the Owyhee River and flows into the main stream of the Owyhee at 3 Forks, of which I had written and shown video last year. At about this point (33 miles from home and still in radio contact - Mike W) I decided that the day was just going to get rougher and I would rather be typing than flying. The Steen's is in the background, about 80 statue miles away. As I approached the lower terrain on the final leg home I decided to get closer to the ground to get out of some of the thermals and I began to dial back on the Hacman to keep my EGT's within the proper range. ( As I mentioned it is still pretty cool outside and I was of course wearing gloves. My Mag switches are just above the Hacman dial. As one gets closer to the ground the effect of the Hacman system is such that the EGT's climb. As you throttle back they also rise. ) Well, my EGT's kept raising no matter that I was dialing it back and eventually off. I put the choke full on to keep the fuel as rich as I could get it, and had to throttle up to keep it below 1400. ( If the EGT's get high enough the engine eventually leans out to the point that it stops from fuel starvation.) I happened to be over the road that you can see in the last picture and you can be sure that I stayed there while I was trying to get a handle on what was happening. First I called the wife and informed her of my location and the possibility that I might have to set down, but that I had a good spot to do it. About that time I looked down at the Hacman dial and discovered that with the gloves on, I had switched off one mag switch. :-/ Interestingly enough I had not heard the difference in engine noise. I flicked it back on and the engine began cooling immediately. I must say that I felt quite a bit cooler as well. I informed the wife of the improved condition and again cut back across country to go home. From that point the rest of the trip was uneventful. Flight was 1 hour 18 minutes, fuel burn was 3 gallons, covered 72 miles, average speed was 60 MPH. Conclusion one: The Hacman system works and helps conserve fuel, but you need to constantly monitor it, and be aware of what it can do to you if you do not. The EIS alarm is very helpful, and saved me from an engine out. The flashing light alerted me to the problem before it became critical. ( I had it set to 1400 degrees. ) As in most things concerning aircraft, and our ability to survive flying them, is influenced by ones actions or omissions. If you snooze you are going to have trouble. On most flights, if fuel is not a problem, and I am flying close to the ground, I will not use the Hacman system. It will save you fuel at altitude. So on a trip, you bet! Otherwise no. conclusion two: The HKS isn't going to run for very long on one mag. conclusion three: I could use more panel space. http://share.findmespot.com/shared/faces/viewspots.jsp?glId=0siAoTNYTZD 6KPbiDncNLfKZruRqx5nUO Here again is the track that I flew today. Larry Note: If you forward this email, please delete the forwarding history, which includes my email address.


    Message 3


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    Time: 01:24:03 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: flight
    Larry/Gang: Looks good. Be careful. john hauck mkIII Titus, Alabama


    Message 4


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    Time: 01:47:56 PM PST US
    From: "lhaggerty" <lhaggerty@tampabay.rr.com>
    Subject: Vertical speed indicator
    If any one has a VSI for sale, Let me know please. Pete


    Message 5


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    Time: 04:11:39 PM PST US
    From: "Larry Cottrell" <lcottrell@fmtcblue.com>
    Subject: short video of today's trip
    Here is a short You Tube video of today's trip. http://www.youtube.com/watch?v=1DHcx3hxfzk Larry Note: If you forward this email, please delete the forwarding history, which includes my email address.


    Message 6


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    Time: 04:13:35 PM PST US
    Subject: HAC-Man Setup... Attn. Larry C.
    From: "henry.voris" <henry_voris@yahoo.com>
    18apr10 Larry C. (et al), I recall several months ago you mentioned that you had installed a HAC-Man system... I was wondering how it worked for you? How much are you able to adjust your temperatures? The reason I ask is, I have just installed one and I have only been able to increase the EGT by a mere 50 degrees (F). GreenSky sent me a sea-level main jet and suggested that I use the set of jets the factory lists for sea-level operations. I did as they suggested. Previously I had changed jets to produce the correct CHT and EGT for my field elevation (3800 ft.). To do so, I had changed the main jet, needle jet and needle to leaner jets than the prescribed sea-level set. The temperatures stayed good around the patch and up to about 6,000 ft.(4,000 more to go to get to the summit at Haleakala). But, I had worried, if I were to descend to sea-level (to buzz the nude beach...) I would be running too lean. Also, I want to be able to lean the mixture enough to fly over the summit... As I said before, I reinstalled the sea-level set of jets along with the HAC-Man system... When I get the engine warmed up I find both the CHT and EGT are low. I expect this, as sea-level jets should be too rich for 3,800 ft. Running the engine at 5,000 RPM and the CHT = 300 and the EGT = 950. After turning the HAC-Man knob more than the max 8 turns towards lean, the EGT increases by only 50 degrees, to 1,000. I was hoping for more... Specifics: Field elevation... 3,800 ft Engine... Thundering 447 Idle Jet... 45 Main Jet... 165 Needle Jet... 2.70 Needle... 15K2 With this selection of jets and the HAC-Man full rich (off) a typical engine run after warm-up looks like: RPM - CHT - EGT 3,000 - 210 - 890 4,000 - 240 - 1,000 5,000 - 300 - 950 6,000 - 375 - 1,000 6,400 - 380 - 950 - WOT After making these observations, I throttle back to 5,000 RPM and move the HAC-Man to full lean... The EGT will move to 1,000. The system seems to be working, but not enough to justify its existence. So I was wondering... What are your experiences with the system? How much variation of temperature can you induce using the HAC-Man? Are you using the factory sea-level set of jets? What's your field elevation? (I recall you have goodly elevation at your location.) Any thoughts and suggestions from yourself or anyone else on the list would be greatly appreciated. Aloha -------- Henry Firefly Five-Charlie-Bravo Do Not Archive Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294730#294730


    Message 7


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    Time: 04:33:33 PM PST US
    From: "Larry Cottrell" <lcottrell@fmtcblue.com>
    Subject: Re: HAC-Man Setup... Attn. Larry C.
    Henry, Two of my last three posts are concerning the HACman system. On my HKS I can lean it to the point that I starve the engine of fuel. I had it to 1400 degree's earlier today, and that was with the choke on full. I am running the jets recommended for sea level which is 135's. Sounds like a call to Jerry is in order. If there is anything else I can tell you, feel free to email me off list. Larry Note: If you forward this email, please delete the forwarding history, which includes my email address. ----- Original Message ----- From: henry.voris To: kolb-list@matronics.com Sent: Sunday, April 18, 2010 5:13 PM Subject: Kolb-List: HAC-Man Setup... Attn. Larry C. 18apr10 Larry C. (et al), I recall several months ago you mentioned that you had installed a HAC-Man system... I was wondering how it worked for you? How much are you able to adjust your temperatures? The reason I ask is, I have just installed one and I have only been able to increase the EGT by a mere 50 degrees (F). GreenSky sent me a sea-level main jet and suggested that I use the set of jets the factory lists for sea-level operations. I did as they suggested. Previously I had changed jets to produce the correct CHT and EGT for my field elevation (3800 ft.). To do so, I had changed the main jet, needle jet and needle to leaner jets than the prescribed sea-level set. The temperatures stayed good around the patch and up to about 6,000 ft.(4,000 more to go to get to the summit at Haleakala). But, I had worried, if I were to descend to sea-level (to buzz the nude beach...) I would be running too lean. Also, I want to be able to lean the mixture enough to fly over the summit... As I said before, I reinstalled the sea-level set of jets along with the HAC-Man system... When I get the engine warmed up I find both the CHT and EGT are low. I expect this, as sea-level jets should be too rich for 3,800 ft. Running the engine at 5,000 RPM and the CHT = 300 and the EGT = 950. After turning the HAC-Man knob more than the max 8 turns towards lean, the EGT increases by only 50 degrees, to 1,000. I was hoping for more... Specifics: Field elevation... 3,800 ft Engine... Thundering 447 Idle Jet... 45 Main Jet... 165 Needle Jet... 2.70 Needle... 15K2 With this selection of jets and the HAC-Man full rich (off) a typical engine run after warm-up looks like: RPM - CHT - EGT 3,000 - 210 - 890 4,000 - 240 - 1,000 5,000 - 300 - 950 6,000 - 375 - 1,000 6,400 - 380 - 950 - WOT After making these observations, I throttle back to 5,000 RPM and move the HAC-Man to full lean... The EGT will move to 1,000. The system seems to be working, but not enough to justify its existence. So I was wondering... What are your experiences with the system? How much variation of temperature can you induce using the HAC-Man? Are you using the factory sea-level set of jets? What's your field elevation? (I recall you have goodly elevation at your location.) Any thoughts and suggestions from yourself or anyone else on the list would be greatly appreciated. Aloha -------- Henry Firefly Five-Charlie-Bravo Do Not Archive Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294730#294730


    Message 8


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    Time: 04:47:49 PM PST US
    Subject: Re: HAC-Man Setup... Attn. Larry C.
    From: "henry.voris" <henry_voris@yahoo.com>
    Larry, Thanks for the info... Jerry is at the top of my call list for monday... Always enjoy your vids. Will review your past postings. Aloha, -------- Henry Firefly Five-Charlie-Bravo Do Not Archive Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294737#294737


    Message 9


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    Time: 05:50:20 PM PST US
    From: Arksey@aol.com
    Subject: Re: back in the air in michigan
    got the firestar out of the pole barn today and pre flighted it....gased her up and the 503 fired up on the lst pull of the rope....smoked a lot from being fogged last fall but cleared up and run so good that even thou it was a bit cold I could not resist taking off for a about a half hour of flying around the runway here on the farm...was good to get back to flying after the winter and should get in 2 or 3 days before we get some showers....looking forward to a summer of fun flying in the firestar.....Jswan do not archive jim swan firestar ll 503 michigan


    Message 10


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    Time: 06:22:40 PM PST US
    From: chris davis <capedavis@yahoo.com>
    Subject: 503 on a Firefly
    Kolbers , Anybody on the list ever put a 503 on a Firefly?They still make t hem and they have dual ignition, A single carb ? =0A-Chris Davis=0AKXP 50 3 492 hrs=0AGlider Pilot=0ADisabled from crash building Firefly =0A=0A=0A


    Message 11


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    Time: 07:32:02 PM PST US
    Subject: Re: build pics
    From: "cristalclear13" <cristalclearwaters@gmail.com>
    clrprop wrote: > John H. > I got it from a gentleman in Ohio by the name of Mark Peterson, but I don't think he was the original builder. > > Slyck > The grass mowing is not my job. :) > It's tail heavy. I'm going to have to put some lead in the nose before the maiden. That is so cute (hope you don't mind me calling it cute)! I love it! Those are some great shots too. Would a couple GI Joe dolls add enough weight? :) jk -------- Cristal Waters Kolb Mark II Twinstar Rotax 503 DCSI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294762#294762


    Message 12


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    Time: 08:40:21 PM PST US
    Subject: Re: short video of today's trip
    From: "cristalclear13" <cristalclearwaters@gmail.com>
    lcottrell wrote: > Here is a short You Tube video of today's trip. > http://www.youtube.com/watch?v=1DHcx3hxfzk (http://www.youtube.com/watch?v=1DHcx3hxfzk) > > Larry (http://owyheeflyer.blogspot.com/) > > Great video Larry. Your pictures and videos give me views that I didn't even know existed in the US. :) Having lived in the midwest and south it's hard to imagine places where there is no civilization for what seems to be hundreds of miles. If you don't mind me asking, how far is your nearest neighbor or community? do not archive -------- Cristal Waters Kolb Mark II Twinstar Rotax 503 DCSI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294773#294773


    Message 13


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    Time: 08:44:39 PM PST US
    Subject: Re: back in the air in michigan
    From: "cristalclear13" <cristalclearwaters@gmail.com>
    Arksey(at)aol.com wrote: > got the firestar out of the pole barn today and pre flighted it....gased her up and the 503 fired up on the lst pull of the rope....smoked a lot from being fogged last fall but cleared up and run so good that even thou it was a bit cold I could not resist taking off for a about a half hour of flying around the runway here on the farm...was good to get back to flying after the winter and should get in 2 or 3 days before we get some showers....looking forward to a summer of fun flying in the firestar.....Jswan > > do not archive > jim swan firestar ll 503 michigan > Sounds like a good time. Makes me almost wish I had a pull start. Couldn't fly yesterday because of a dead battery. It has been so windy this winter in GA...not very many good flying days. I'm hoping for good weather next Saturday to be able to fly to the Vidalia airshow again this year. -------- Cristal Waters Kolb Mark II Twinstar Rotax 503 DCSI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294775#294775


    Message 14


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    Time: 09:23:42 PM PST US
    From: "Larry Cottrell" <lcottrell@fmtcblue.com>
    Subject: Re: short video of today's trip
    Hi, There are three members of the same family living on the ranch across the road. Three miles away. My driveway is 3/4 of a mile and theirs takes up the rest of the distance. There is a ranch to the north east that has a hired hand living on it. It is about 4 miles away by road. I haven't seen him yet this year. The next habitation is 19 miles east called Rome, and it is on the Owyhee River. The town that is listed as my address, Jordan Valley, is actually 52 miles away. :-) It has a store, service station, school, and about 200 residents. There used to be a cafe and gas pumps at Burns Jct, 6 miles north, but they closed down last year. The county that I live in, Malheur, (Spanish for bad water) is the least populated in Oregon. Just right! Larry Note: If you forward this email, please delete the forwarding history, which includes my email address. ----- Original Message ----- From: cristalclear13 To: kolb-list@matronics.com Sent: Sunday, April 18, 2010 9:39 PM Subject: Kolb-List: Re: short video of today's trip <cristalclearwaters@gmail.com> lcottrell wrote: > Here is a short You Tube video of today's trip. > http://www.youtube.com/watch?v=1DHcx3hxfzk (http://www.youtube.com/watch?v=1DHcx3hxfzk) > > Larry (http://owyheeflyer.blogspot.com/) > > Great video Larry. Your pictures and videos give me views that I didn't even know existed in the US. :) Having lived in the midwest and south it's hard to imagine places where there is no civilization for what seems to be hundreds of miles. If you don't mind me asking, how far is your nearest neighbor or community? do not archive -------- Cristal Waters Kolb Mark II Twinstar Rotax 503 DCSI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=294773#294773




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