Kitfox-List Digest Archive

Fri 11/26/04


Total Messages Posted: 21



Today's Message Index:
----------------------
 
     1. 01:04 AM - Lexan (Michel Verheughe)
     2. 02:25 AM - List Contributors Lagging By 38%... (Matt Dralle)
     3. 07:30 AM - Re: Grove Gear Installation Model IV (customtrans@qwest.net)
     4. 07:42 AM - Re: Grove Gear Installation Model IV (customtrans@qwest.net)
     5. 07:52 AM - kitfox II POH (GONER752@aol.com)
     6. 07:55 AM - Kitfox II POH (GONER752@aol.com)
     7. 08:24 AM - Re: List Contributors Lagging By 38%... (Don Pearsall)
     8. 08:26 AM - Re: Kitfox II POH (Steve Zakreski)
     9. 08:44 AM - Cowl/exhaust header interference (Joel Mapes)
    10. 10:34 AM - Re: kitfox II POH (shortnaked)
    11. 10:49 AM - Re: Cowl/exhaust header interference (kurt schrader)
    12. 02:03 PM - 1. Does anyone turn 6800rpm max? (Rex & Jan Shaw)
    13. 02:39 PM - Re: 1. Does anyone turn 6800rpm max? (Cudnohufsky's)
    14. 03:02 PM - Re: kitfox II POH (Jim Corner)
    15. 03:10 PM - Re: 1. Does anyone turn 6800rpm max? (AlbertaIV@aol.com)
    16. 04:25 PM - kf II POH (GONER752@aol.com)
    17. 06:26 PM - Re: 1. Does anyone turn 6800rpm max? (Torgeir Mortensen)
    18. 06:32 PM - O.T. Vortex Generators. (Torgeir Mortensen)
    19. 07:40 PM - Re: Cowl/exhaust header interference (Joel Mapes)
    20. 09:01 PM - Re: O.T. Vortex Generators. (Randy Daughenbaugh)
    21. 09:25 PM - Re: O.T. Vortex Generators. (Aerobatics@aol.com)
 
 
 


Message 1


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    Time: 01:04:53 AM PST US
    From: Michel Verheughe <michel@online.no>
    Subject: Lexan
    --> Kitfox-List message posted by: Michel Verheughe <michel@online.no> > From: Rex & Jan Shaw [rexjan@bigpond.com] > ... Norwegian weather must be kind to Lexan! :-) > Well I don't know, I'm in Australia and mine is original from ,94 and in > good nick still. Ok, this is a scientific experiement: We can, so far, conclude that Lexan can look good over a long time, ... in both hemispheres! :-) Cheers, Michel do not archive


    Message 2


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    Time: 02:25:43 AM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: List Contributors Lagging By 38%...
    --> Kitfox-List message posted by: Matt Dralle <dralle@matronics.com> Dear Listers, The percentage of people making a Contribution to support the Lists this year is currently lagging behind last year by approximately 38%! I'm hoping that everyone is just waiting until the last minute to show their support... ;-) Please remember that its solely your direct Contributions that keep these Lists up and running and most importantly - AD FREE! If the members don't want to support the Lists directly, then I will likely have to start adding advertisements to offset the costs of running the Lists. But I *really* don't want to have to start doing that. I really like the non-commercial atmosphere here and I think that a lot of the members appreciate that too. Won't you please take a moment to make a contribution today in support of the continued ad-free operation of all these Lists? http://www.matronics.com/contribution I want to send out a word of appreciation to all of the members that have already made their generous contribution to support the Lists! Thank you! Matt Dralle Email List Administrator Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551 925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email http://www.matronics.com/ WWW | Featuring Products For Aircraft do not archive


    Message 3


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    Time: 07:30:57 AM PST US
    From: customtrans@qwest.net
    Subject: Grove Gear Installation Model IV
    --> Kitfox-List message posted by: customtrans@qwest.net I just put mine on, here goes on what I did. First off, the mounting bracket on the very front is not jigged, it's just welded on at a measurement point. That means that one side will not fit on the brackets sent from Grove. So, grind off what is needed on the bracket sent on the front portion. Next use a cherry picker, I lifted at the exhaust manifolds of the engine using a big vbelt, but then again I had the right wing off at the time, I say you use a point that you feel comfortable with, I have the 912ul. If I had both wings on, I would have used two vbelts and picked up from both sides of the exhaust. Next I put the brackets on first then put the landing gear on to the brackets. Simple and doable. -----Original Message----- From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com]On Behalf Of John King Subject: Re: Kitfox-List: Grove Gear Installation Model IV --> Kitfox-List message posted by: John King <kingjohne@adelphia.net> Jimmie, The Kitfox is not that heavy. Just get a couple of guys to lift up on the wing struts where they attach to the wing and a third place a padded support under the fuselage. Then raise the tail and place a support under the tail wheel to level the plane. I have done that several times. -- John King Warrenton, VA Jimmie Blackwell wrote: >--> Kitfox-List message posted by: "Jimmie Blackwell" <jablackwell@ev1.net> > >Received my Grove main gear a few days ago and am making plans to install it in the next few days. I am leaning toward renting an engine hoist or cherry picker and lifting the front of the airplane by attaching rope to the points on the fuselage where the engine mounts connect and to the engine mount where the engine attaches. Someone please tell me if there are any precautions I need to consider such as putting to much stress on my attach points or if I need to consider other lift points. > >Thanks >Jimmie > >


    Message 4


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    Time: 07:42:19 AM PST US
    From: customtrans@qwest.net
    Subject: Grove Gear Installation Model IV
    --> Kitfox-List message posted by: customtrans@qwest.net Oops, I meant to say intake manifold, NOT exhaust. I just put mine on, here goes on what I did. First off, the mounting bracket on the very front is not jigged, it's just welded on at a measurement point. That means that one side will not fit on the brackets sent from Grove. So, grind off what is needed on the bracket sent on the front portion. Next use a cherry picker, I lifted at the exhaust manifolds of the engine using a big vbelt, but then again I had the right wing off at the time, I say you use a point that you feel comfortable with, I have the 912ul. If I had both wings on, I would have used two vbelts and picked up from both sides of the exhaust. Next I put the brackets on first then put the landing gear on to the brackets. Simple and doable. -----Original Message----- From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com]On Behalf Of John King Subject: Re: Kitfox-List: Grove Gear Installation Model IV --> Kitfox-List message posted by: John King <kingjohne@adelphia.net> Jimmie, The Kitfox is not that heavy. Just get a couple of guys to lift up on the wing struts where they attach to the wing and a third place a padded support under the fuselage. Then raise the tail and place a support under the tail wheel to level the plane. I have done that several times. -- John King Warrenton, VA Jimmie Blackwell wrote: >--> Kitfox-List message posted by: "Jimmie Blackwell" <jablackwell@ev1.net> > >Received my Grove main gear a few days ago and am making plans to install it in the next few days. I am leaning toward renting an engine hoist or cherry picker and lifting the front of the airplane by attaching rope to the points on the fuselage where the engine mounts connect and to the engine mount where the engine attaches. Someone please tell me if there are any precautions I need to consider such as putting to much stress on my attach points or if I need to consider other lift points. > >Thanks >Jimmie > >


    Message 5


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    Time: 07:52:05 AM PST US
    From: GONER752@aol.com
    Subject: kitfox II POH
    --> Kitfox-List message posted by: GONER752@aol.com I recently purchased a kf II that was finished in 1990.The plane changed hands several times between me and the original builder,with noone registering the plane between.I got the plane as the fellow I bought it from, apparently in flying condition. However, no airframe, engine or prop logs. I do have the original build manuals with the builders notes, but no POH or performance data, which I understand was to be compiled by the builder through flight testing. I supposed I could conduct a new complete flight test, but I would like to know at least a basic set of flight parameters beforehand such as stall speeds(clean and flaps ext.), max. flap oper. speed, etc. Also engine oper. temps.( water,cht,egt.) and rpm info. Power is a rotax 582 w/ a gsc 3 blade wooden prop.The hobbs shows 830 hrs. The original builder passed away in '97 also the next owner in line, so the material I have is all there is.I am a lic. private, so while I feel i can competantly fly the plane I also appreciate the danger of attempting to fly without any known parameters.Any help or suggestions would be greatly appeciated.Thanks in advance. Regards All, Greg G.


    Message 6


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    Time: 07:55:50 AM PST US
    From: GONER752@aol.com
    Subject: Kitfox II POH
    --> Kitfox-List message posted by: GONER752@aol.com I forgot to include my email add. goner752@aol.com response by list or email either way. thanks again, Greg G.


    Message 7


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    Time: 08:24:43 AM PST US
    From: "Don Pearsall" <donpearsall@comcast.net>
    Subject: List Contributors Lagging By 38%...
    --> Kitfox-List message posted by: "Don Pearsall" <donpearsall@comcast.net> I want to also encourage all listers to contribute to the Kitfox List. Give as much or as little as you think this service is worth. Since its beginning about 10 years ago, the Kitfox list has remained "free", at least to the members. It has never been free to the hosts, who had to bear all costs. We do NOT want Matt to go to a Yahoo - type system where there are ads all over our messages, or worse, drop the list altogether. I know that you may have contribution-fatigue due to the recent elections and now the holidays (as do I), but please recognize the value of the Kitfox List and go to http://www.matronics.com/contribution and contribute what you can to keep the list going. Thank you, Don Pearsall List Admin. -----Original Message----- From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Matt Dralle Subject: Kitfox-List: List Contributors Lagging By 38%... --> Kitfox-List message posted by: Matt Dralle <dralle@matronics.com> Dear Listers, The percentage of people making a Contribution to support the Lists this year is currently lagging behind last year by approximately 38%! I'm hoping that everyone is just waiting until the last minute to show their support... ;-) Please remember that its solely your direct Contributions that keep these Lists up and running and most importantly - AD FREE! If the members don't want to support the Lists directly, then I will likely have to start adding advertisements to offset the costs of running the Lists. But I *really* don't want to have to start doing that. I really like the non-commercial atmosphere here and I think that a lot of the members appreciate that too. Won't you please take a moment to make a contribution today in support of the continued ad-free operation of all these Lists? http://www.matronics.com/contribution I want to send out a word of appreciation to all of the members that have already made their generous contribution to support the Lists! Thank you! Matt Dralle Email List Administrator Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551 925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email http://www.matronics.com/ WWW | Featuring Products For Aircraft do not archive


    Message 8


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    Time: 08:26:34 AM PST US
    From: Steve Zakreski <szakreski@shaw.ca>
    Subject: Kitfox II POH
    --> Kitfox-List message posted by: Steve Zakreski <szakreski@shaw.ca> Greg I'll let someone else give you the speeds since my aircraft is a heavy beast compared to yours (big NSI engine). But your in no different position than every new builder taking a first flight. Good to be careful, but it's going to be fun. Do you have tail dragger experience? If not, you must get some prior to flying the Kitfox. A couple of suggestions (though somewhat controversial lately). I don't suggest any high speed taxi tests. Low speed yes. A few people have totalled their aircraft doing high speed tests. During your low speed taxi tests, convince yourself the aircraft is tracking well. If it wanders all over the runway, you need to look up some old posts regarding aligning the tailwheel and main gear. Also some long engine ground tests with the aircraft tied down and the aircraft blocked up at climb attitude. It is an easy aircraft to fly, and not hard to land when all trimmed correctly. Obviously stay away from crosswinds until you gain experience. Skystar publishes a small booklet titled something like "How to Fly a Kitfox". That might be worth a look, but not essential. I have an old copy someplace you ca borrow if you can't find one. SteveZ Calgary -----Original Message----- From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com]On Behalf Of GONER752@aol.com Subject: Kitfox-List: Kitfox II POH --> Kitfox-List message posted by: GONER752@aol.com I forgot to include my email add. goner752@aol.com response by list or email either way. thanks again, Greg G.


    Message 9


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    Time: 08:44:19 AM PST US
    From: "Joel Mapes" <FoxFloatFlyer@hotmail.com>
    Subject: Cowl/exhaust header interference
    --> Kitfox-List message posted by: "Joel Mapes" <FoxFloatFlyer@hotmail.com> After fitting the cowl to my Model 5 with Model 7 Rotax 912 FWF as per the Skystar manual, I have installed the exhaust system only to find that the right front exhaust header contacts the cowl at the front. I have a GTA in-flight adjustable pitch prop which does not use a hub extension. Is it possible to shorten the curve of the header? How much clearance should exist between the headers and the fiberglass cowling? Thanks, Joel


    Message 10


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    Time: 10:34:27 AM PST US
    From: "shortnaked" <shortnaked@golden.net>
    Subject: Re: kitfox II POH
    --> Kitfox-List message posted by: "shortnaked" <shortnaked@golden.net> Hi Greg, Hope you read some posts of the last week or so on Taxi tests. Taildragger experience is a pre - requiste imo -if not get some tail time. ( I have found that tricycle gear pilots tend to be lazy in the transition period.& you need to be on top of the yaw control at all times more so thanin a tri gear) Don't have a POH on hand for a ser 2 at moment but i would guess you could say 30 mph gonna be your "getting ready to fly " area. Get feeling good and do taxi tests. slow at first and speed em up as you feel more confident. -and i guess it goes with out saying since you are a priv pilot--- try in under 5 mph winds to start. Some will argue that higher speed taxi can be disasterous but hey if you cannot hande la high speed taxi test you are not ready to take off or LAND. end of story !! Shorty !! Good Luck. ----- Original Message ----- From: <GONER752@aol.com> Subject: Kitfox-List: kitfox II POH > --> Kitfox-List message posted by: GONER752@aol.com > > I recently purchased a kf II that was finished in 1990.The plane changed > hands several times between me and the original builder,with noone registering > the plane between.I got the plane as the fellow I bought it from, apparently in > flying condition. However, no airframe, engine or prop logs. I do have the > original build manuals with the builders notes, but no POH or performance data, > which I understand was to be compiled by the builder through flight testing. I > supposed I could conduct a new complete flight test, but I would like to know > at least a basic set of flight parameters beforehand such as stall > speeds(clean and flaps ext.), max. flap oper. speed, etc. Also engine oper. temps.( > water,cht,egt.) and rpm info. Power is a rotax 582 w/ a gsc 3 blade wooden prop.The > hobbs shows 830 hrs. The original builder passed away in '97 also the next > owner in line, so the material I have is all there is.I am a lic. private, so > while I feel i can competantly fly the plane I also appreciate the danger of > attempting to fly without any known parameters.Any help or suggestions would be > greatly appeciated.Thanks in advance. > > Regards All, > Greg G. > >


    Message 11


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    Time: 10:49:31 AM PST US
    DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=jQbiXJatiqnv5PhiS1i1x5fsmBt3cyPQld5jlHBN4yU8aGho1c9R+dNtLiNU9T4hR7Xtht1PaA6PJ9XqYRpnVVLPMNbXBDiRhcK/VANZwI+3RRnVXYpyraPxdbvbll5kRz5LF/h6IT9JQqUnl+ofULJxcRDhe0MdNnVgXu9PPN8= ;
    From: kurt schrader <smokey_bear_40220@yahoo.com>
    Subject: Re: Cowl/exhaust header interference
    --> Kitfox-List message posted by: kurt schrader <smokey_bear_40220@yahoo.com> Joel, I had the same problem with my S-5 and NSI Soob. I shortened the exhaust by 1/2" from the cowl and wrapped it. (Had it rewelded that way.) Then I coated the inside of the cowl with the 2000 degree reflective barrier. That works, but I think the prop extension is a better idea if you can do it. That would have worked better in the end for me. Now I always worry about the weld cracking or the cowl paint scorching. Also the right prop extension moves the prop a little farther out from the cowl and improves its efficiency, IMHO. Kurt S. --- Joel Mapes <FoxFloatFlyer@hotmail.com> wrote: > After fitting the cowl to my Model 5 with Model 7 > Rotax 912 FWF as per the Skystar manual, I have > installed the exhaust system only to find that the > right front exhaust header contacts the cowl at the > front. I have a GTA in-flight adjustable pitch prop > which does not use a hub extension. Is it possible > to shorten the curve of the header? How much > clearance should exist between the headers and the > fiberglass cowling? > Thanks, > Joel __________________________________ http://my.yahoo.com


    Message 12


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    Time: 02:03:27 PM PST US
    From: "Rex & Jan Shaw" <rexjan@bigpond.com>
    Subject: 1. Does anyone turn 6800rpm max?
    --> Kitfox-List message posted by: "Rex & Jan Shaw" <rexjan@bigpond.com> 1. Does anyone turn 6800rpm max? Yes ! Why ? What's the problem ? I understand it seems like it's screaming if your used to a fourstroke or something but really it's fine. I used to race an old Yamaha DT250 motor about '77 vintage in a Kart a few years ago. This never went much under 14,000 RPM. on the track and could and did pull 18,500. this motor ran for 10 years and still won the first meeting for the guy that bought it. Admittedly I used to replace the rod every six months just to be sure. I used to polish the new rod then shotpeen it before installation. In that time I bored it once and that was the only piston change. No it wasn't a standard piston though. Anyway what I'm trying to say is 6,800 is OK. Mostly I cruise on 6,000. I hope this makes you feel easier. Rex. rexjan@bigpond.com


    Message 13


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    Time: 02:39:07 PM PST US
    From: "Cudnohufsky's" <7suds@chartermi.net>
    Subject: Re: 1. Does anyone turn 6800rpm max?
    --> Kitfox-List message posted by: "Cudnohufsky's" <7suds@chartermi.net> I had a Rotax 503 in my Model IV and cruised at 6K all day. I ran it for almost 5 years before moving to a Model V. Lloyd ----- Original Message ----- From: "Rex & Jan Shaw" <rexjan@bigpond.com> Subject: Kitfox-List: 1. Does anyone turn 6800rpm max? > --> Kitfox-List message posted by: "Rex & Jan Shaw" <rexjan@bigpond.com> > > 1. Does anyone turn 6800rpm max? > > Yes ! Why ? What's the problem ? I understand it seems like it's > screaming > if your used to a fourstroke or something but really it's fine. I used to > race an old Yamaha DT250 motor about '77 vintage in a Kart a few years > ago. > This never went much under 14,000 RPM. on the track and could and did pull > 18,500. this motor ran for 10 years and still won the first meeting for > the > guy that bought it. Admittedly I used to replace the rod every six months > just to be sure. I used to polish the new rod then shotpeen it before > installation. In that time I bored it once and that was the only piston > change. No it wasn't a standard piston though. Anyway what I'm trying to > say > is 6,800 is OK. Mostly I cruise on 6,000. I hope this makes you feel > easier. > Rex. > rexjan@bigpond.com > > >


    Message 14


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    Time: 03:02:19 PM PST US
    From: Jim Corner <jcorner@shaw.ca>
    Subject: kitfox II POH
    --> Kitfox-List message posted by: Jim Corner <jcorner@shaw.ca> Greg For take-off I use 40 mph as rotate speed and settle on 55 as best ROC speed. You should see around 1000 fpm or a little better. For landing 55 (best glide) is also a good over the fence speed although it will float at that speed. If the float is excessive start slowing your approach speed to 50 with touch down a bit less than 40. Once you get the hang of it the 45 mph is great for those short fields. Jim > > I recently purchased a kf II that was finished in 1990.The > plane changed > hands several times between me and the original builder,with > noone registering > the plane between.I got the plane as the fellow I bought it > from, apparently in > flying condition. However, no airframe, engine or prop logs. > I do have the > original build manuals with the builders notes, but no POH or > performance data, > which I understand was to be compiled by the builder through > flight testing. I > supposed I could conduct a new complete flight test, but I > would like to know > at least a basic set of flight parameters beforehand such as stall > speeds(clean and flaps ext.), max. flap oper. speed, etc. > Also engine oper. temps.( > water,cht,egt.) and rpm info. Power is a rotax 582 w/ a gsc 3 > blade wooden prop.The > hobbs shows 830 hrs. The original builder passed away in '97 > also the next > owner in line, so the material I have is all there is.I am a > lic. private, so > while I feel i can competantly fly the plane I also > appreciate the danger of > attempting to fly without any known parameters.Any help or > suggestions would be > greatly appeciated.Thanks in advance. > > Regards All, > Greg G. > > > ========= > ========= > Matronics Forums. > ========= > ========= > > > > >


    Message 15


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    Time: 03:10:22 PM PST US
    From: AlbertaIV@aol.com
    Subject: Re: 1. Does anyone turn 6800rpm max?
    --> Kitfox-List message posted by: AlbertaIV@aol.com In a message dated 11/26/04 2:04:16 PM Pacific Standard Time, rexjan@bigpond.com writes: << change. No it wasn't a standard piston though. Anyway what I'm trying to say is 6,800 is OK. Mostly I cruise on 6,000. I hope this makes you feel easier. Rex. >> Rex, I recall seeing somewhere in all the specs that running at 6800 RPM has a time limit. Don't remember but something like 1-2 minutes. It sounds like you are saying you can cruise at 6800 for long duration's. Maybe I read it wrong or maybe I'm mistaken about the time limit at max RPM's???? Don Smythe N-998DS Classic IV W/ 582


    Message 16


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    Time: 04:25:05 PM PST US
    From: GONER752@aol.com
    Subject: kf II POH
    --> Kitfox-List message posted by: GONER752@aol.com Thanks guys for the info. All good advice to be sure. Tail time will be a necessity as I have none, also I believe I need the endorsment. Tailwheel trainers are actually hard to come by around here(western n.y. state), but there is one located at the canandaigua,ny airport. I'll be looking him up shortly. Probebly won't be able to do much with the fox till spring anyway. Steve- I'll look for that booklet at skystar. Again, thanks to all. Safe flying, Greg G.


    Message 17


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    Time: 06:26:50 PM PST US
    Subject: Re: 1. Does anyone turn 6800rpm max?
    From: Torgeir Mortensen <torgemor@online.no>
    --> Kitfox-List message posted by: Torgeir Mortensen <torgemor@online.no> My Fox is adj. for max. 6200 RPM at ground in standard atm. condition. Under same condition airborne at 1000' agl, full power gave 6800 RPM and 98 IAS. In the Operators Manual at page 10.1, max 6800 RPM 5 minute and max continuous RPM is 6500 RPM. However, I'm using 2 minute max at 6800 and max. cont. 6200 RPM. for my 532UL. Here you'll find the operating manual: http://www.poweredparachute.com/manuals/OperatorsManual2st.pdf Torgeir. On Sat, 27 Nov 2004 08:33:46 +1030, Rex & Jan Shaw <rexjan@bigpond.com> wrote: > --> Kitfox-List message posted by: "Rex & Jan Shaw" <rexjan@bigpond.com> > > 1. Does anyone turn 6800rpm max? > > Yes ! Why ? What's the problem ? I understand it seems like it's > screaming > if your used to a fourstroke or something but really it's fine. I used to > race an old Yamaha DT250 motor about '77 vintage in a Kart a few years > ago. > This never went much under 14,000 RPM. on the track and could and did > pull > 18,500. this motor ran for 10 years and still won the first meeting for > the > guy that bought it. Admittedly I used to replace the rod every six > months > just to be sure. I used to polish the new rod then shotpeen it before > installation. In that time I bored it once and that was the only piston > change. No it wasn't a standard piston though. Anyway what I'm trying to > say > is 6,800 is OK. Mostly I cruise on 6,000. I hope this makes you feel > easier. > Rex. > rexjan@bigpond.com > > -- Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/


    Message 18


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    Time: 06:32:14 PM PST US
    Subject: O.T. Vortex Generators.
    From: Torgeir Mortensen <torgemor@online.no>
    --> Kitfox-List message posted by: Torgeir Mortensen <torgemor@online.no> Hi Folks, For those interested in Vortex generators, have a look at our neighbor list, The Kolb List. Direct link is here; http://www.matronics.com/listbrowse/kolb-list/index.html Torgeir. -- Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/


    Message 19


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    Time: 07:40:19 PM PST US
    From: "Joel Mapes" <FoxFloatFlyer@hotmail.com>
    Subject: Re: Cowl/exhaust header interference
    --> Kitfox-List message posted by: "Joel Mapes" <FoxFloatFlyer@hotmail.com> Kurt wrote: I had the same problem with my S-5 and NSI Soob. I shortened the exhaust by 1/2" from the cowl and wrapped it. (Had it rewelded that way.) Then I coated the inside of the cowl with the 2000 degree reflective barrier. That works, but I think the prop extension is a better idea if you can do it. That would have worked better in the end for me. Now I always worry about the weld cracking or the cowl paint scorching. Also the right prop extension moves the prop a little farther out from the cowl and improves its efficiency, IMHO. Kurt S. The folks selling the GTA prop do not recommend an extension, and I've already cut the cowl. Did you do the welding yourself? I'm a novice welder and don't feel up to the task. Tell me about the 2000 degree barrier. What is it, how is it applied and where can it be obtained? Thanks for the reply, Joel


    Message 20


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    Time: 09:01:27 PM PST US
    From: "Randy Daughenbaugh" <rjdaugh@rapidnet.com>
    Subject: O.T. Vortex Generators.
    --> Kitfox-List message posted by: "Randy Daughenbaugh" <rjdaugh@rapidnet.com> Hmmmm,, If they help a Kolb that much, it seems like they would help a Kitfox. Randy - Curious . -----Original Message----- From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Torgeir Mortensen Subject: Kitfox-List: O.T. Vortex Generators. --> Kitfox-List message posted by: Torgeir Mortensen <torgemor@online.no> Hi Folks, For those interested in Vortex generators, have a look at our neighbor list, The Kolb List. Direct link is here; http://www.matronics.com/listbrowse/kolb-list/index.html Torgeir. -- Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/


    Message 21


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    Time: 09:25:35 PM PST US
    From: Aerobatics@aol.com
    Subject: Re: O.T. Vortex Generators.
    --> Kitfox-List message posted by: Aerobatics@aol.com Cool.....but yesterday.. it was abot 45F, 5 mph down the runway, 1/2 fuel, solo, my KF 2 off of grass that had 2 inches of snow and took almost exactly 150 feet ...I measured the tracks have photo from air to show! How much shorter do we need? Plus... kinda ugly.... plus hard to clean plane... My Strip is 780 feet and is fine... in many varied conditions temp TO weights etc.... KF is an amazing plane.... as is Just an opinion...:-) Dave




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