Kolb-List Digest Archive

Sun 05/08/05


Total Messages Posted: 19



Today's Message Index:
----------------------
 
     1. 05:30 AM - Fuel tanks (flykolb)
     2. 06:50 AM - Re: ultralight to sport pilot (GeoR38@aol.com)
     3. 06:55 AM - Re: Mk3c/912, Sentimental Journey (GeoR38@aol.com)
     4. 07:43 AM - Headset DRE-6000  (John Hauck)
     5. 08:01 AM - Re: Fuel tanks (Larry Bourne)
     6. 10:13 AM - Re: Headset DRE-6000  (Christopher Armstrong)
     7. 11:07 AM - 5"metal tires & wheels (Rick Pearce)
     8. 11:34 AM - Re: 5"metal tires & wheels (John Williamson)
     9. 12:21 PM - Re: 5"metal tires & wheels (Larry Bourne)
    10. 12:48 PM - PA Fly In (Bob and Jenn B)
    11. 12:59 PM - Re: Fuel tanks (Richard Pike)
    12. 02:49 PM - Re: Fuel tanks (John Hauck)
    13. 04:28 PM - Re: Fuel tanks (John Hauck)
    14. 05:26 PM - Engines ? (Earl & Mim Zimmerman)
    15. 06:12 PM - Engines ? (Earl & Mim Zimmerman)
    16. 06:14 PM - q (russ kinne)
    17. 06:20 PM - Engines ? (Earl & Mim Zimmerman)
    18. 08:56 PM - Re: Headset DRE-6000  (J.D. Stewart)
    19. 09:56 PM - Re: Engines ? (possums)
 
 
 


Message 1


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    Time: 05:30:15 AM PST US
    From: "flykolb" <flykolb@carolina.rr.com>
    Subject: Fuel tanks
    --> Kolb-List message posted by: "flykolb" <flykolb@carolina.rr.com> Kolbers, Has anyone on the list considered putting fuel tanks in the wings of a Mark III instead of behind the seats? Pros and cons please. Jim Mark III


    Message 2


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    Time: 06:50:03 AM PST US
    From: GeoR38@aol.com
    Subject: Re: ultralight to sport pilot
    --> Kolb-List message posted by: GeoR38@aol.com In a message dated 5/3/2005 6:24:37 PM Eastern Standard Time, donaho@csrlink.net writes: > > I read that EAA , USUA and ASC are asking for revisions to part 103, > mostly increasing the 254 lb. weight limit. At this time I am waiting to > see what happens with that. Is anyone else on the list in a holding > pattern? Any thoughts why this may be a mistake? Lanny > Fetterman FSII flown as a single place aircraft. > Do not > archive > Don, Rich Swiderski and I both have axes to grind on the LSA business and therefore went to several seminars at SnF. After about 3 of these, it became pretty obvious to me, at least, that definitions still need to be worked on so that aircraft can be put into proper slots, such that confusion can be minimized. For instance....Rich wants an "in flight adjustable prop" and is fussing over whether to get an experimental or LSA rating for his Sling Shot. After much dialog with an "expert" there it came down to whether the in flight puppy was considered "complex" or not, just as retractable gear is considered "complex" Anyway, I don't worry about such chicanery, so, I only gleaned enough to tell myself ....there is a period of a coupla years of mulling that the FAA is going to grace us with, sooooo .... it is an opportunity to let things settle down......it appears that we now find ourselves in a confusing, over-ruled- department store of legalities that need to be honed to a fine finish of simpler conclusions. Maybe we need to get rid of experimental.....after all, there is little experimental about experimental these days......I only throw that statment out in a fit of frustration (just a lil weee fit) to convey the "choices of catagory" that are now runing rampant. If you think this dialog was hard to follow, just imagine my frustration at forgetting Rich's shirt off his back that he lent me to share one of the seminars with him. I left it on the chair next to mine as the tent was tooooo hot!! George Randolph Firestar driver from The Villages


    Message 3


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    Time: 06:55:44 AM PST US
    From: GeoR38@aol.com
    Subject: Re: Mk3c/912, Sentimental Journey
    --> Kolb-List message posted by: GeoR38@aol.com In a message dated 5/3/2005 8:11:45 PM Eastern Standard Time, mitchmnd@msn.com writes: > > When my wife arrived I felt like Cowboy Bob saying goodbye to "Old Paint". > > P.S. > When I talked to Tom for the first time I learned that he was one of my > son's playmates when we lived on Merritt Island and I worked at the Space Center > 30+ years ago. 'Small world and getting smaller. > > Duane the plane Mitchell, Nothing to fly. > To this I merely say...."WOW!!" yer bud George Randolph....firestar driver do not archive


    Message 4


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    Time: 07:43:25 AM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Headset DRE-6000
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> Morning All: Finally got to fly with my new DRE-6000 ANR head set. Had a little problem prior to actually flying though. Could not make the mic work. DC and Sigtronics head set worked great, but the DRE-6000 mic would not work. The speakers in the head set are super. Get a lot of volume and clear quality voice reception on the ground. After some trouble shooting, decided to put a new mic jack in the MKIII. That didn't help either. Finally, got the omh meter and the wiring diagram out. Immediately discovered I had the ring and pin terminal wires reversed on the mic jack. Interesting to note the mic worked on the passive DC and Sig headsets, but not the DRE ANR. The DRE eliminates a lot of noise in flight, but I have a problem with noise leak in the rear of the ear cup seals. DRE uses temper foam seals that are leaking some prop noise on the lower rear edges. If I put my hand on the ear cups, apply more pressure in that area, the noise stops. Could be caused by several problems. One is the placement of the mics in each each cup. They face forward to accomodate tractor engines. Possibly I need to have the mics facing the rear for a pusher configuration. I can test this theory today by flying with the headset placed on my head backwards. Won't be able to use the mic, but radio communications are not required at Gantt International Airport, all 750' of it. If the noise goes away that now seems to be leaking through the rear of the ear cup seals, next step is contact the DRE factory and get them to configure my head set for pusher aircraft. Unfortunately, I will not have a chance to do that prior to departure for MV. The other experiment would be use some velcro tape to connect the ear cups around the rear of my head, putting a little more pressure on the lower rear ear cup seals. I will also try some David Clark liquid gel ear seals to compare performance between them and the DRE temper foam seals. To me, the DRE-6000 that is not working 100% is more annoying than a David Clark passive set that is. I haven't tried the my DC or Sigtronics headsets since I got the wiring correct on the pilot's mic jack. I had to stop using the DC head set because of mic squeal while transmitting. Now I know that was probably caused by the wiring reversed on the mic jac. I am going to check that out also. Increased hearing loss makes understanding voice transmissions extremely hard for me to understand correctly. I can hear the sound, but can not interpret what is being said correctly, or not at all. Very uncomfortable having this problem while flying with others and receiving instructions from air traffic control folks. Will let ya'll know what the outcome is. john h MKIII/912S Titus, Alabama


    Message 5


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    Time: 08:01:58 AM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: Fuel tanks
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> I looked long and hard for some way to build wing tanks, but had no useful luck. I did find a small outfit in Oregon that makes (or made ?? This was 5 or 6 years ago) wing tanks for Kit Foxes, but he wasn't willing to try making a different size. I thought about lengths of 4" or 5" aluminum tubing that would fit in next to the spar, but, as I recall, braces, etc ruled that out. Also, with a long, thin tank, sloshing of fuel could become a problem in turns. The biggest thing to my mind was proper venting of such tanks, with the wings folded and in flying position. Prob'ly a simple solution out there, but I finally walked away from it. Lar. Larry Bourne Palm Springs, CA Building Kolb Mk III N78LB Vamoose www.gogittum.com ----- Original Message ----- From: "flykolb" <flykolb@carolina.rr.com> Subject: Kolb-List: Fuel tanks > --> Kolb-List message posted by: "flykolb" <flykolb@carolina.rr.com> > > Kolbers, > > Has anyone on the list considered putting fuel tanks in the wings of a > Mark III instead of behind the seats? Pros and cons please. > > Jim > > Mark III > > >


    Message 6


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    Time: 10:13:51 AM PST US
    From: "Christopher Armstrong" <tophera@centurytel.net>
    Subject: Headset DRE-6000
    --> Kolb-List message posted by: "Christopher Armstrong" <tophera@centurytel.net> I can test this theory today by flying with the headset placed on my head backwards. Won't be able to use the mic, but radio communications are not required at Gantt International Airport, all 750' of it John, the microphone boom on my DRE-6000's is ambidextrous, so people can wear it right or left handed... if yours is like mine, go ahead and flip the headset around and the mic boom will pivot out to the front from the other side. I don't think that the direction the internal mics are pointing will end up mattering... but it is an interesting experiment. If you don't have a good seal you won't have good noise canceling... no matter what the electronics are doing, so adjust the frame till it fits your head. Use the thumbscrews to start... but just go ahead and bend the thing a bit if your have to! I have a fairly small head ( I know, small brains) so I had to crank mine a very tiny bit. I also got some gell ear seals to try but have not tried them yet. Topher


    Message 7


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    Time: 11:07:25 AM PST US
    From: "Rick Pearce" <rap@isp.com>
    Subject: 5"metal tires & wheels
    --> Kolb-List message posted by: "Rick Pearce" <rap@isp.com> Does any one know if 5"metal wheels and tires are available. I have a set of 6", & 4" came with the floats. I need a little more ground clearance on the floats. The six inch will not fit in between the float bulk heads but it looks like I could get 5" in. I don't know the brand of metal wheels Kolb is supplying with the kits? I can find no markings on the wheels. Rick Pearce Parsons Ks Do not archive


    Message 8


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    Time: 11:34:03 AM PST US
    From: "John Williamson" <kolbrapilot@comcast.net>
    Subject: 5"metal tires & wheels
    --> Kolb-List message posted by: "John Williamson" <kolbrapilot@comcast.net> Rick, Here is the link to Matco Mfg: http://www.matcomfg.com/?uid=2192&page=457 Give them a call and tell them what you need. They have 5" wheels and tires. John Williamson Arlington, TX Kolb Kolbra, Rotax 912ULS, 751 hours http://home.comcast.net/~kolbrapilot do not archive


    Message 9


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    Time: 12:21:57 PM PST US
    From: "Larry Bourne" <biglar@gogittum.com>
    Subject: Re: 5"metal tires & wheels
    --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com> You might want to check tire sizes that fit on the various wheels. I have 8.00x6 tires on Vamoose that are about 17" high if memory serves, and correspondingly fat. Kolb supplies 6.00x6 tires that fit the same rim, but, I think are about 12" diameter. Maybe a tall, skinny tire on that 4" rim ?? Maybe a narrower 6" rim ?? I don't know if anything like that is available, but it's worth a look. When researching my 8.00x6's, (same as John Hauck's) I called Matco in Utah, and found them to be very helpful, interested, and, of course, knowledgeable. Lar. Larry Bourne Palm Springs, CA Building Kolb Mk III N78LB Vamoose www.gogittum.com ----- Original Message ----- From: "Rick Pearce" <rap@isp.com> Subject: Kolb-List: 5"metal tires & wheels > --> Kolb-List message posted by: "Rick Pearce" <rap@isp.com> > > Does any one know if 5"metal wheels and tires are available. I have > a set of 6", & 4" came with the floats. I need a little more ground > clearance on the floats. The six inch will not fit in between the float > bulk heads but it looks like I could get 5" in. I don't know the brand of > metal wheels Kolb is supplying with the kits? I can find no markings on > the wheels. > Rick Pearce Parsons Ks > Do not archive > > >


    Message 10


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    Time: 12:48:10 PM PST US
    From: "Bob and Jenn B" <tabberdd@hotmail.com>
    Subject: PA Fly In
    --> Kolb-List message posted by: "Bob and Jenn B" <tabberdd@hotmail.com> That's a bummer, June 4 is the same day as the AOPA open-house fly-in in Frederick, Md. Did someone else buy Flying M or does Pete M still run it? Bob


    Message 11


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    Time: 12:59:40 PM PST US
    From: Richard Pike <richard@bcchapel.org>
    Subject: Re: Fuel tanks
    --> Kolb-List message posted by: Richard Pike <richard@bcchapel.org> Thought about it, but I think the gap seal also works. http://www.bcchapel.org/pages/0003/pg1.htm If I had it to do over, might do the wings instead. Course it would be a major pain to fix a leak... Richard Pike MKIII N420P (420ldPoops) At 08:37 AM 5/8/2005 -0400, you wrote: >--> Kolb-List message posted by: "flykolb" <flykolb@carolina.rr.com> > >Kolbers, > >Has anyone on the list considered putting fuel tanks in the wings of a >Mark III instead of behind the seats? Pros and cons please. > >Jim > >Mark III > >


    Message 12


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    Time: 02:49:13 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Fuel tanks
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> of a | >Mark III instead of behind the seats? Pros and cons please. | > | >Jim Jim/Gang: I have had remarkable luck with my 25 gal 5052 aluminum fuel tank. Constructed of .050" sheet. 25 gal ultimate. Cross baffled. Mounted in the big vacant area behind the bulk head. The only thing remaining in the area where the normal two each factory plastic jugs were mounted is the forward part of the tail boom. Fueled from the top of the gap seal with an Atwood Marine nylon flip top fuel cap. Fuel is supplied through the lowest portion of the bottom of the tank. A finger strainer is installed in the outlet. Fuel is pushed to the engine driven pump by a little electronic fuel pump, which acts as a normal aircraft boost pump. After take off and upon reaching normal cruise altitude, the boost pump is turned off. The tank was sloshed four times, once a day for four straight days, with Randolph Fuel Tank Slosh for Aviation and Auto Fuel. The tank has been in service since March 1992, has more than 2,200 flight hours without nary a leak. It has survived one crash that totaled the aircraft, another crash when I got behind the aircraft and mush/stalled from aprx'ly 30', and a minor crash when the gear leg/axle socket failed 5 years ago. The reason I mounted the fuel tank in the open area was because it was good valuable space that was not being utilized. Homer designed it that way so the pilot could observe behind the aircraft. I have no reason to look back there, therefore I covered the area with fabric once the fuel tank was in place. Two braces on the left top rear of the fuselage were cut, plates welded two each end, in addition to plates on the fuselage, drilled and bolted with 3/16' aircraft bolts. The tank has never been removed from the aircraft. I do not remember how much the tank weighed empty, but probably 25 or so pounds. It holds another 150 lbs of fuel. I do not have an aft CG problem. Nor am I inviting anyone to discuss aft cg. My MKIII flies great. I like it. That is why I am still flying it. I would like to have the climb and cruise of the Kolbra with 912S, but the MKIII lacks in climb and cruise, it makes up for in great storage capacity and having the left seat available for stuff I need and like to have handy when flying. Take care, john h


    Message 13


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    Time: 04:28:36 PM PST US
    From: "John Hauck" <jhauck@elmore.rr.com>
    Subject: Re: Fuel tanks
    --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com> Gang: As an add on: I also had an 18 gal aluminum fuel tank in my original Firestar. You guessed it. Configured on the same lines and location at the MKIII, top rear half of the fuselage. Only headache with this first tank off the hauck's holler assembly line was a couple nagging leaks in an area that was not easily accessible. Lesson learned was even after extensive pressure and water testing, slosh the tank four days in a row with Randolph Tank Slosh for Av/Mogas. By mounting the tank in the upper rear of the cage, this opened up the area of the bottom rear half for my cargo. Was really nice to get every thing inside the aircraft. Prior to this make over, I had to sling load my sleeping bag under the fuselage just behind the main gear. john h


    Message 14


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    Time: 05:26:43 PM PST US
    From: Earl & Mim Zimmerman <emzi@supernet.com>
    Subject: Engines ?
    --> Kolb-List message posted by: Earl & Mim Zimmerman <emzi@supernet.com> Anybody feel up to trying one of these engines on a kolb? :-) ~ Earl http://www.aircraftinternational.com/catalog/motors/3w684i_b4/3w684b4_top_front.jpg --


    Message 15


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    Time: 06:12:42 PM PST US
    From: Earl & Mim Zimmerman <emzi@supernet.com>
    Subject: Engines ?
    --> Kolb-List message posted by: Earl & Mim Zimmerman <emzi@supernet.com> --> Kolb-List message posted by: Earl & Mim Zimmerman <emzi@supernet.com> Anybody feel up to trying one of these engines on a kolb? :-) ~ Earl http://www.aircraftinternational.com/catalog/motors/3w684i_b4/3w684b4_top_front.jpg Sorry should have send this link. It took me a while to figure ouy how to copy it. Pretty impressive power to weight ratio! Pretty pricey too! --


    Message 16


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    Time: 06:14:17 PM PST US
    From: russ kinne <kinnepix@earthlink.net>
    Subject: q
    --> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net> Would any Kolbers have time for this not-yet-Kolber to make a short visit? -- in the Memphis TN area on May 15-16, or in the New Orleans area on May 22-23? I'll even spring for lunch if you have time Russ Kinne Do Not Archive


    Message 17


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    Time: 06:20:53 PM PST US
    From: Earl & Mim Zimmerman <emzi@supernet.com>
    Subject: Engines ?
    --> Kolb-List message posted by: Earl & Mim Zimmerman <emzi@supernet.com> --> Kolb-List message posted by: Earl & Mim Zimmerman <emzi@supernet.com> Anybody feel up to trying one of these engines on a kolb? :-) ~ Earl http://www.aircraftinternational.com/catalog/motors/3w684i_b4/3w684b4_top_front.jpg Sorry should have send this link. It took me a while to figure ouy how to copy it. Pretty impressive power to weight ratio! Pretty pricey too! Third time is the charm ;-( http://www.aircraftinternational.com/catalog/motors/3w684i_b4/3w684b4 --


    Message 18


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    Time: 08:56:09 PM PST US
    From: "J.D. Stewart" <jstewart@inebraska.com>
    Subject: Headset DRE-6000
    --> Kolb-List message posted by: "J.D. Stewart" <jstewart@inebraska.com> When I talked to the guys at DRE, they said the headsets are no longer position for tractor engines and that the manual needs updating on that area. They're supposed to be the same for tractor/pusher aircraft now. 25 gusting to 40 all weekend. Another week goes by without being able to test mine out. :>( J.D. Stewart UltraFun AirSports, LLC www.ultrafunairsports.com > > Morning All: > > Finally got to fly with my new DRE-6000 ANR head set. Had a little > problem prior to actually flying though. Could not make the mic work. > DC and Sigtronics head set worked great, but the DRE-6000 mic would > not work. The speakers in the head set are super. Get a lot of > volume and clear quality voice reception on the ground. > > After some trouble shooting, decided to put a new mic jack in the > MKIII. That didn't help either. Finally, got the omh meter and the > wiring diagram out. Immediately discovered I had the ring and pin > terminal wires reversed on the mic jack. Interesting to note the mic > worked on the passive DC and Sig headsets, but not the DRE ANR. > > The DRE eliminates a lot of noise in flight, but I have a problem with > noise leak in the rear of the ear cup seals. DRE uses temper foam > seals that are leaking some prop noise on the lower rear edges. If I > put my hand on the ear cups, apply more pressure in that area, the > noise stops. > > Could be caused by several problems. One is the placement of the mics > in each each cup. They face forward to accomodate tractor engines. > Possibly I need to have the mics facing the rear for a pusher > configuration. I can test this theory today by flying with the > headset placed on my head backwards. Won't be able to use the mic, > but radio communications are not required at Gantt International > Airport, all 750' of it. If the noise goes away that now seems to be > leaking through the rear of the ear cup seals, next step is contact > the DRE factory and get them to configure my head set for pusher > aircraft. Unfortunately, I will not have a chance to do that prior to > departure for MV. > > The other experiment would be use some velcro tape to connect the ear > cups around the rear of my head, putting a little more pressure on the > lower rear ear cup seals. > > I will also try some David Clark liquid gel ear seals to compare > performance between them and the DRE temper foam seals. > > To me, the DRE-6000 that is not working 100% is more annoying than a > David Clark passive set that is. > > I haven't tried the my DC or Sigtronics headsets since I got the > wiring correct on the pilot's mic jack. I had to stop using the DC > head set because of mic squeal while transmitting. Now I know that > was probably caused by the wiring reversed on the mic jac. I am going > to check that out also. > > Increased hearing loss makes understanding voice transmissions > extremely hard for me to understand correctly. I can hear the sound, > but can not interpret what is being said correctly, or not at all. > Very uncomfortable having this problem while flying with others and > receiving instructions from air traffic control folks. > > Will let ya'll know what the outcome is. > > john h > MKIII/912S > Titus, Alabama >


    Message 19


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    Time: 09:56:19 PM PST US
    From: possums <possums@mindspring.com>
    Subject: Re: Engines ?
    --> Kolb-List message posted by: possums <possums@mindspring.com> At 09:20 PM 5/8/2005, you wrote: >Anybody feel up to trying one of these engines on a kolb? :-) ~ Earl Power Rating 60.0 HP 43.8 kW - Weight 32.3 lbs ---------------- Yeah - I'll take a dozen of them How many they got that work??




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