---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Mon 03/16/09: 18 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:03 AM - Re: How many gallons per hour with VW Redrive (Richard & Martha Neilsen) 2. 06:26 AM - Repairmen Inspection (ropermike) 3. 07:08 AM - Re: Repairmen Inspection (cristalclear13) 4. 07:09 AM - Re: Repairmen Inspection (olendorf) 5. 08:17 AM - Re: How many gallons per hour with VW Redrive (herb) 6. 08:42 AM - Re: How many gallons per hour with VW Redrive (Richard & Martha Neilsen) 7. 09:53 AM - Re: How many gallons per hour with VW Redrive (herb) 8. 10:22 AM - Re: How many gallons per hour with VW Redrive (John Hauck) 9. 10:56 AM - Re: How many gallons per hour with VW Redrive (herb) 10. 11:40 AM - Re: How many gallons per hour with VW Redrive (lucien) 11. 11:54 AM - Re: Re: How many gallons per hour with VW Redrive (John Hauck) 12. 12:24 PM - Re: How many gallons per hour with VW Redrive (robert bean) 13. 12:26 PM - Re: How many gallons per hour with VW Redrive (Mike Welch) 14. 01:02 PM - Re: Re: How many gallons per hour with VW Redrive (herb) 15. 01:28 PM - Re: Re: How many gallons per hour with VW Redrive (John Hauck) 16. 01:55 PM - Re: Re: How many gallons per hour with VW Redrive (herb) 17. 02:16 PM - Re: Re: How many gallons per hour with VW Redrive (John Hauck) 18. 05:47 PM - Back seat of F-18...not Kolb related (Bill Vincent) ________________________________ Message 1 _____________________________________ Time: 06:03:12 AM PST US From: "Richard & Martha Neilsen" Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Nick I burn 4 gallons per hour of regular automotive fuel. I had my engine built for a 7.8-9 to one compression ratio. Higher compression requires higher octane. I have been told the VW engine mount that Kolb makes is too wide for the Kolbra. Rick Neilsen Redrive VW powered MKIIIC ----- Original Message ----- From: Nick Cassara To: kolb-list@matronics.com Sent: Monday, March 16, 2009 12:47 AM Subject: Kolb-List: How many gallons per hour with VW Redrive Rick, and any other VW redrives, How many gallons per hour do burn with your VW Redrive. I read about your creation in the archives, but I did not see anything regarding GPH and what type of fuel do use? I am try to narrow engine choices. that I can afford. Thanks, Nick Cassara Proto-type Kolbra Palmer, Alaska ________________________________ Message 2 _____________________________________ Time: 06:26:50 AM PST US Subject: Kolb-List: Repairmen Inspection From: "ropermike" Hello fellow Kolb drivers....I an enrolled in a Fixed Wing Airplane 16 hr repairmen inspection class on March 20-21 in Dallas, Tx given by Rainbow Aviation. I was wondering if any of you has taken this class and what to expect....Do any of you have any advise about what I need to be prepared for? Thanks, Mike -------- The next best thing to playing and winning is playing and losing!...Mike Hillger Read this topic online here: http://forums.matronics.com/viewtopic.php?p=234811#234811 ________________________________ Message 3 _____________________________________ Time: 07:08:34 AM PST US Subject: Kolb-List: Re: Repairmen Inspection From: "cristalclear13" ropermike wrote: > Hello fellow Kolb drivers....I an enrolled in a Fixed Wing Airplane 16 hr repairmen inspection class on March 20-21 in Dallas, Tx given by Rainbow Aviation. I was wondering if any of you has taken this class and what to expect....Do any of you have any advise about what I need to be prepared for? Thanks, Mike Hi Mike, I took this class with Mike Huffman. He is an excellent teacher. If you pay attention he stresses the points that will be on the test so if you take good notes (you can use your notes and books for the test) you can pass it. You probably already have the handouts/requirements for the class...he is good about emailing those to you ahead of time. There was one guy in my class of 6 or 7 that didn't pass but he seemed to be struggling with a lot of the concepts and didn't take any notes. Mike has probably told you to review the AC 43-13B (here's the link in case you don't have it: http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/0/99C827DB9BAAC81B86256B4500596C4E?OpenDocument&Highlight=ac%2043.13-1b ) You don't have to read everything. Open the contents document and find on the word "inspection" and review those chapters/sections. But like I said he will stress in the class the ones you need to know for the test. I really liked the hands on practice toward the end of the class. Don't get hung up too long on one workstation so you can get around to all the workstations (some take longer than others). Have fun and enjoy it! -------- Cristal Waters Kolb Mark II Twinstar Rotax 503 DCSI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=234816#234816 ________________________________ Message 4 _____________________________________ Time: 07:09:25 AM PST US Subject: Kolb-List: Re: Repairmen Inspection From: "olendorf" I took that class. The instructors are excellent. Take lots of notes though. For some reason the binder they give you does not contain all the material they show you via the projector. Perhaps they don't want you to be able to give the entire course away to someone else who hasn't paid. I don't know why because you really are paying for the certificate not the knowledge. I don't think you need to prepare for anything. They go over everything in the class you will need to pass the test. You may want to bring your airplane documentation with you, airworthiness, registration, weight and balance. -------- Scott Olendorf Original Firestar, Rotax 447, Powerfin prop Schenectady, NY http://KolbFirestar.googlepages.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=234817#234817 ________________________________ Message 5 _____________________________________ Time: 08:17:04 AM PST US From: herb Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Rick Sounds as if you are running at near 50 horses...? What redrive ratio and cruise rpms? Cruise speed? Thanks Herb At 08:02 AM 3/16/2009, you wrote: >Nick > >I burn 4 gallons per hour of regular automotive >fuel. I had my engine built for a 7.8-9 to one >compression ratio. Higher compression requires higher octane. > >I have been told the VW engine mount that Kolb >makes is too wide for the Kolbra. > >Rick Neilsen >Redrive VW powered MKIIIC >----- Original Message ----- >From: Nick Cassara >To: kolb-list@matronics.com >Sent: Monday, March 16, 2009 12:47 AM >Subject: Kolb-List: How many gallons per hour with VW Redrive > >Rick, and any other VW redrives, > > >How many gallons per hour do burn with your VW >Redrive. I read about your creation in the >archives, but I did not see anything regarding >GPH and what type of fuel do use? > > >I am try to narrow engine choices=85 that I can afford. > > >Thanks, > > >Nick Cassara > > >Proto-type Kolbra > >Palmer, Alaska > > >href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics. com/Navigator?Kolb-List > >href="http://forums.matronics.com">http://forums.matronics.com > >href="http://www.matronics.com/contribution">http://www.matronics.com/c > ________________________________ Message 6 _____________________________________ Time: 08:42:47 AM PST US From: "Richard & Martha Neilsen" Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Herb Since it is a custom engine the power is a bit unknown but I cruise at a greatly reduced power level. I assume you extrapolated the 50 HP from the fuel burn. You are assuming a lot but might be close. Climb and cruise are very close to a 80 HP Rotax. The redrive ratio is 1.6 to 1 and I cruise at 3200 engine RPMs. The cruise is 75 MPH. I'm currently turning a 71 inch three bladed F model PowerFin prop. Rick Neilsen Redrive VW powered MKIIIC ----- Original Message ----- From: herb To: kolb-list@matronics.com Sent: Monday, March 16, 2009 11:16 AM Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Rick Sounds as if you are running at near 50 horses...? What redrive ratio and cruise rpms? Cruise speed? Thanks Herb At 08:02 AM 3/16/2009, you wrote: Nick I burn 4 gallons per hour of regular automotive fuel. I had my engine built for a 7.8-9 to one compression ratio. Higher compression requires higher octane. I have been told the VW engine mount that Kolb makes is too wide for the Kolbra. Rick Neilsen Redrive VW powered MKIIIC ----- Original Message ----- From: Nick Cassara To: kolb-list@matronics.com Sent: Monday, March 16, 2009 12:47 AM Subject: Kolb-List: How many gallons per hour with VW Redrive Rick, and any other VW redrives, How many gallons per hour do burn with your VW Redrive. I read about your creation in the archives, but I did not see anything regarding GPH and what type of fuel do use? I am try to narrow engine choices. that I can afford. Thanks, Nick Cassara Proto-type Kolbra Palmer, Alaska href=" http://www.matronics.com/Navigator?Kolb-List ">http://www.matronics.com/Navigator?Kolb-List href=" http://forums.matronics.com">http://forums.matronics.com href=" http://www.matronics.com/contribution ">http://www.matronics.com/c ________________________________ Message 7 _____________________________________ Time: 09:53:13 AM PST US From: herb Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Good info Rick...thanks... I want a MkIII with a Vw engine Bad!!! :-) Looking for a project...however... My assumptions are based on a burn of 12 hp per gal per hour . This gives one a mental shorthand that separates lies from reasonable estimates...(you would be amazed at how many 200 mpg carb guys are still out there----big oil,auto companies bought them all up !!) ...Sounds as if the 912 is a bit more efficient? High compression ratio likely helps ... I think I asked for those numbers before...:-) Herb ps anyone know if the rods on the 912 use needle bearings ? I cannot tell looking at the cps catalog Rods and crank sell as a unit. do not archive At 10:42 AM 3/16/2009, you wrote: >Herb > >Since it is a custom engine the power is a bit >unknown but I cruise at a greatly reduced power >level. I assume you extrapolated the 50 HP from >the fuel burn. You are assuming a lot but might >be close. Climb and cruise are very close to a 80 HP Rotax. > > The redrive ratio is 1.6 to 1 and I cruise at > 3200 engine RPMs. The cruise is 75 MPH. I'm > currently turning a 71 inch three bladed F model PowerFin prop. > >Rick Neilsen >Redrive VW powered MKIIIC >----- Original Message ----- >From: herb >To: kolb-list@matronics.com >Sent: Monday, March 16, 2009 11:16 AM >Subject: Re: Kolb-List: How many gallons per hour with VW Redrive > >Rick > >Sounds as if you are running at near 50 >horses...? What redrive ratio and cruise rpms? Cruise speed? Thanks Herb > > >At 08:02 AM 3/16/2009, you wrote: >>Nick >> >>I burn 4 gallons per hour of regular automotive >>fuel. I had my engine built for a 7.8-9 to one >>compression ratio. Higher compression requires higher octane. >> >>I have been told the VW engine mount that Kolb >>makes is too wide for the Kolbra. >> >>Rick Neilsen >>Redrive VW powered MKIIIC >>----- Original Message ----- >>From: Nick Cassara >>To: kolb-list@matronics.com >>Sent: Monday, March 16, 2009 12:47 AM >>Subject: Kolb-List: How many gallons per hour with VW Redrive >>Rick, and any other VW redrives, >> >> >> >>How many gallons per hour do burn with your VW >>Redrive. I read about your creation in the >>archives, but I did not see anything regarding >>GPH and what type of fuel do use? >> >> >> >>I am try to narrow engine choices=85 that I can afford. >> >> >> >>Thanks, >> >> >> >>Nick Cassara >> >> >> >>Proto-type Kolbra >>Palmer, Alaska >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >>href=" >> >>http://www.matronics.com/Navigator?Kolb-List >> >>">http://www.matronics.com/Navigator?Kolb-List >> >> >>href=" >> >>http://forums.matronics.com">http://forums.matronics.com >> >> >> >>href=" >> >>http://www.matronics.com/contribution >> >>">http://www.matronics.com/c > > >href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics. com/Navigator?Kolb-List > >href="http://forums.matronics.com">http://forums.matronics.com > >href="http://www.matronics.com/contribution">http://www.matronics.com/c > ________________________________ Message 8 _____________________________________ Time: 10:22:25 AM PST US From: "John Hauck" Subject: Re: Kolb-List: How many gallons per hour with VW Redrive 12 hp per gal per hour is a little high for the 912UL. My experience with the 912UL is 4 gph at 5,000; 4.25 gph at 5,200, 4.5 gph at 5,400 rpm. These figures are based on many hours of cross country flying, not around the patch fuel consumption figures. The 912ULS is not nearly as efficient as the old 80. 5 gph at 5,000 and 5.5 gph at 5,000. Got to pay for the extra kick. I can not remember what type bearing is used for con rods. Give Ronnie Smith a call. john h mkIII My assumptions are based on a burn of 12 hp per gal per hour . Herb ps anyone know if the rods on the 912 use needle bearings ? ________________________________ Message 9 _____________________________________ Time: 10:56:03 AM PST US From: herb Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Knew it was going to be better... Sounds like 16 or so hp per gal per hr...? Could not find a hp/torque curve in the CPS catalog for the 100 hp engine.. Thazzz purty gud... Who is flying the Geo Metro on the list? Might make a good comparison...Herb At 12:21 PM 3/16/2009, you wrote: >12 hp per gal per hour is a little high for the 912UL. > >My experience with the 912UL is 4 gph at 5,000; 4.25 gph at 5,200, >4.5 gph at 5,400 rpm. These figures are based on many hours of >cross country flying, not around the patch fuel consumption figures. > >The 912ULS is not nearly as efficient as the old 80. 5 gph at 5,000 >and 5.5 gph at 5,000. Got to pay for the extra kick. > >I can not remember what type bearing is used for con rods. > >Give Ronnie Smith a call. > >john h >mkIII > > > My assumptions are based on a burn of 12 hp per gal per hour > . Herb > > >ps anyone know if the rods on the 912 use needle bearings ? > > ________________________________ Message 10 ____________________________________ Time: 11:40:18 AM PST US Subject: Kolb-List: Re: How many gallons per hour with VW Redrive From: "lucien" herbgh(at)nctc.com wrote: > > ps anyone know if the rods on the 912 use needle bearings ? I cannot tell looking at the cps catalog Rods and crank sell as a unit. > > do not archive > I believe the 912 rods use "regular old" sleeve/bushing type bearings which are supported by oil pressure. I don't think they use needle bearings. And I don't want to have to find out. Ever.... ;) LS -------- LS Titan II SS Read this topic online here: http://forums.matronics.com/viewtopic.php?p=234870#234870 ________________________________ Message 11 ____________________________________ Time: 11:54:37 AM PST US From: "John Hauck" Subject: Re: Kolb-List: Re: How many gallons per hour with VW Redrive > I believe the 912 rods use "regular old" sleeve/bushing type bearings > which are supported by oil pressure. I don't think they use needle > bearings. > > And I don't want to have to find out. Ever.... ;) > > LS The main bearings are "inserts". I remember that from 912 course, but can not remember the con rods. Guess I could do a little research in the heavy maintenance manual, but don't have time now. john h mkIII ________________________________ Message 12 ____________________________________ Time: 12:24:05 PM PST US From: robert bean Subject: Re: Kolb-List: How many gallons per hour with VW Redrive Herb, because the geo is only 1 liter and high compression it does very well at being frugal. It also burns low octane gas with no protest. I did notice a slight loss when they started putting ethanol in it. I can't give any numbers because I haven't done a real test. As with any engine though, it gets thirstier if I push it harder. Same goes for rate of climb. Never measured it but I think I would need to look at the hour hand instead of the minute hand. Been beautiful flying weather here for the past three days but spring is a busy time around here so that's wishful thinking. -besides, I still have to change my legs over to the new steel jobbers. Something new every year. BB On 16, Mar 2009, at 1:54 PM, herb wrote: > > Knew it was going to be better... Sounds like 16 or so hp per gal > per hr...? Could not find a hp/torque curve in the CPS catalog for > the 100 hp engine.. Thazzz purty gud... > > Who is flying the Geo Metro on the list? Might make a good > comparison...Herb > > At 12:21 PM 3/16/2009, you wrote: >> 12 hp per gal per hour is a little high for the 912UL. >> >> My experience with the 912UL is 4 gph at 5,000; 4.25 gph at 5,200, >> 4.5 gph at 5,400 rpm. These figures are based on many hours of >> cross country flying, not around the patch fuel consumption figures. >> >> The 912ULS is not nearly as efficient as the old 80. 5 gph at >> 5,000 and 5.5 gph at 5,000. Got to pay for the extra kick. >> >> I can not remember what type bearing is used for con rods. >> >> Give Ronnie Smith a call. >> >> john h >> mkIII >> >> >> My assumptions are based on a burn of 12 hp per gal per >> hour . Herb >> >> >> ps anyone know if the rods on the 912 use needle bearings ? >> >> > > ________________________________ Message 13 ____________________________________ Time: 12:26:19 PM PST US From: Mike Welch Subject: RE: Kolb-List: How many gallons per hour with VW Redrive >> Who is flying the Geo Metro on the list? Might make a good comparison ...Herb Herb=2C Currently=2C there are two gentlemen presently flying the GEO engine. Bo b Bean=2C who has his set up with a carburetor=2C and Vic (I think Gibson) =2C who more than likely has TBI (throttle body fuel injection=2C which pro bably retains the ECU computer for engine controls). I am in the final stages of attaching all the extraneous engine items on my turbocharged GEO 1.0 liter. So far=2C I've got the turbocharger=2C radi ator=2C intercooler and oil cooler fabrication completed and mounted these items. Right now=2C I'm working on the finishing touches on my turbo exhau st. The exhaust is all built=2C I'm just putting on the O2 bungs=2C etc. I'll most likely have these exhaust pieces cermicoated. Recently I received my high performance cam and reworked cam gear back fr om the Teamswift.net GEO engine guru. This guy has a machine shop=2C and k nows quite a bit about high performance GEO modifications. There are dozen s=2C if not hundreds=2C of people that have installed his performance parts =2C and every one of them rave about how much better their engine's power i s improved. My engine now has his "mild" street cam=2C and 6+ degrees advanced cam ge ar (to be repositioned to the new 6+ degree setting). It is the opinion of three people I've corresponded with (on that high performance chat group s ite) that my engine should be putting out around 95-100 HP=2C and around 12 0+ ft lbs of torque. I make absolutely NO claim whatsoever as to whether it will or not have t hese perofrmance figures=2C until I fire the engine up and do some testing. I don't claim a thing until it is proven!!! I expect I will do a thrust test at some point. Oh yeah=2C there is one more guy who is building a GEO 1.3 L engine. His =2C also=2C will be fuel injection=2C but I think it's multi-port=2C IIRC. Mike Welch MkIII _________________________________________________________________ Express your personality in color! Preview and select themes for Hotmail=AE . http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=TXT_MS GTX_WL_HM_express_032009#colortheme ________________________________ Message 14 ____________________________________ Time: 01:02:35 PM PST US From: herb Subject: Re: Kolb-List: Re: How many gallons per hour with VW Redrive The durn picture on page 46 of the CPS catalog seems to indicate that the crank is multiple pieces using big end needle bearings. ??? If it used replaceable rods, then it could be re buildable which I think it is not..? Herb At 01:39 PM 3/16/2009, you wrote: > > >herbgh(at)nctc.com wrote: > > > > ps anyone know if the rods on the 912 use needle bearings ? I > cannot tell looking at the cps catalog Rods and crank sell as a unit. > > > > do not archive > > > > >I believe the 912 rods use "regular old" sleeve/bushing type >bearings which are supported by oil pressure. I don't think they use >needle bearings. > >And I don't want to have to find out. Ever.... ;) > >LS > >-------- >LS >Titan II SS > > >Read this topic online here: > >http://forums.matronics.com/viewtopic.php?p=234870#234870 > > ________________________________ Message 15 ____________________________________ Time: 01:28:53 PM PST US From: "John Hauck" Subject: Re: Kolb-List: Re: How many gallons per hour with VW Redrive > The durn picture on page 46 of the CPS catalog seems to indicate > that the crank is multiple pieces using big end needle bearings. ??? If > it used replaceable rods, then it could be re buildable which I think it > is not..? Herb Picking up the phone, calling Ronnie Smith, was quicker than looking in the book. 912 series crankshafts are press fit. Main bearings are split inserts and the con rods are whole inserts. Crankshafts are not Service Center rebuildable. john h mkIII ________________________________ Message 16 ____________________________________ Time: 01:55:00 PM PST US From: herb Subject: Re: Kolb-List: Re: How many gallons per hour with VW Redrive Thanks John Interesting concept...not sure that I have seen that before? Makes me think that at 4k or so for the assy the after market could make money rebuilding them with different rods with split big ends.. Herb At 03:27 PM 3/16/2009, you wrote: > > > > The durn picture on page 46 of the CPS catalog seems to indicate >>that the crank is multiple pieces using big end needle >>bearings. ??? If it used replaceable rods, then it could be re >>buildable which I think it is not..? Herb > > >Picking up the phone, calling Ronnie Smith, was quicker than looking >in the book. > >912 series crankshafts are press fit. Main bearings are split >inserts and the con rods are whole inserts. Crankshafts are not >Service Center rebuildable. > >john h >mkIII > > ________________________________ Message 17 ____________________________________ Time: 02:16:56 PM PST US From: "John Hauck" Subject: Re: Kolb-List: Re: How many gallons per hour with VW Redrive > Interesting concept...not sure that I have seen that > before? Makes me think that at 4k or so for the assy the after market > could make money rebuilding them with different rods with split big > ends.. Herb Does anyone know why Rotax when the same route with cranks for 4 strokes as they did for 2 strokes? Not being an engineer, I have to rely on what little bit of good ole common sense I inherited. A cursory glance at the crank tells me it may be lighter and cleaner for turning higher speeds. Might reduce drag, increase performance. Just guessing. I don't know. I do know that the only problem Rotax has experienced with a 912 crank was oil starvation. A few seconds of oil starvation and the engine is toast. What is the primary cause of oil starvation? Losing an oil line. Jim Lee, Sharon, PA, lost his life near Lakeland, FL, when he was flying a Kolb MKIII with floats. Lost an oil line on a 912, stalled and crashed. Losing an oil line on a 912 should not happen. The intake line is under vacuum, pump is pulling oil. The outlet line is under 3 to 5 psi (crankcase pressure) to push oil out of the crankcase, back to the oil tank. john h mkIII ________________________________ Message 18 ____________________________________ Time: 05:47:18 PM PST US From: "Bill Vincent" Subject: Kolb-List: Back seat of F-18...not Kolb related Hi Gang...this may interest you. ------------------------------------------------------------------------- ------- Want to fly with the Blue Angels? This is quite interesting. Follow the instructions below -- Back Seat of F-18 I think you will like this... Ride in an F/A 18 Hornet Make sure and click on all 5 excerpts. What a Ride!!! Make sure your sound is on. This is very good. Be sure to watch all of the 'scenes' especially 'Scene 2'. You have to click on each photo at the left to watch the scene. http://alt.coxnewsweb.com/ajc/swf/blueangels/blueangels.swf DO NOT ARCHIVE 03/16/09 07:04:00 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message kolb-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Kolb-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/kolb-list Browse Digests http://www.matronics.com/digest/kolb-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.