Zenith-List Digest Archive

Sun 11/16/08


Total Messages Posted: 11



Today's Message Index:
----------------------
 
     0. 12:48 AM - What's My Contribution Used For? (Matt Dralle)
     1. 06:32 AM - Re: Timing Light Question (leinad)
     2. 09:04 AM - Re: Heavy engine and Horiz. stab (Grant Corriveau) (Chuck Deiterich)
     3. 12:16 PM - Re: Re: Heavy engine and Horiz. stab (Grant Corriveau) (Roger & Lina Hill)
     4. 12:35 PM - Re: Re: Heavy engine and Horiz. stab (Grant Corriveau) (Bill Pagan)
     5. 01:04 PM - Flap Switch Wiring (Bill Pagan)
     6. 01:06 PM - Re: 601XL - Aileron Trim Tab Deflection (Dave VanLanen)
     7. 01:23 PM - Re: Flap Switch Wiring (Craig Payne)
     8. 02:02 PM - Re: Re: Heavy engine and Horiz. stab (Grant Corriveau) (Paul Mulwitz)
     9. 04:18 PM - Re: Heavy engine and Horiz. stab (Grant Corriveau) (leinad)
    10. 05:33 PM - Re: Heavy engine and Horiz. stab (Gary Gower)
 
 
 


Message 0


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    Time: 12:48:17 AM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: What's My Contribution Used For?
    Dear Listers, Some have asked, "What's my Contribution used for?" and that's a good question. Here are just a few examples of what your direct List support enables. It provides for the very expensive, commercial-grade T1 Internet connection used on the List insuring maximum performance and minimal contention when accessing List services. It pays for the regular system hardware and software upgrades enabling the highest performance possible for services such as the Archive Search Engine, List Browser, and Forums. It pays for 19+ years worth of online archive data available for instant random search and access. And, it offsets the many hours spent writing, developing, and maintaining the custom applications that power this List Service such as the List Browse, Search Engine, Forums, Wiki and PhotoShare. But most importantly, your List Contribution enables a forum where you and your peers can communicate freely in an environment that is free from moderation, censorship, advertising, commercialism, SPAM, and computer viruses. How many places on the Internet can you make all those statements these days? It is YOUR CONTRIBUTION that directly enables these many aspects of these valuable List services. Please support it today with your List Contribution. Its one of the best investments you can make in your Sport... List Contribution Web Site: http://www.matronics.com/contribution Thank you for your support! Matt Dralle Email List Administrator


    Message 1


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    Time: 06:32:44 AM PST US
    Subject: Re: Timing Light Question
    From: "leinad" <leinad@hughes.net>
    Ben, Hooking up the backward induction pickup was the problem. If I hook it up correctly (arrow toward the plug), and hold the pickup well away from other wires it works good. Thanks. Dan > n801bh(at)netzero.com"]I am using the same ignition wires. No problem timing my motor. On the timing light the pick up that clamps around the #1 wire is very polarity sensitive. there should be a decal showing plug side, by reversing this the light usually gives an erratic reading. Also if your ignition is a lost spark set up the timing light might be seeing double pulses.. let us know what it takes to get a reliable reading... > do not archive > > > Ben Haas > N801BH > www.haaspowerair.com > > -- "leinad" wrote: > > I'm using an INOVA Tach Advance Digital Timing Light and it is acting very eratic. It's the type that has a lead that clamps around the #1 spark plug wire (induction lead). So far I haven't been able to look at the timing except at idle. At idle it looks like it's working OK, showing an advance of a few degrees and an RPM of 750, but as soon as I rev it up the RPMs jump all over the place and I loose the timing mark. I'm using Moroso Super Blue plug wires and have wondered if that's the problem. Perhaps it isn't able to pick the induction through the shielding in the wire. Any ideas? > Dan Dempsey > 601XL /Corvair > > -------- > Scratch building XL with Corvair Engine > > > > > Read this topic online here: > > http://forums.matroni================================================nbsp; (And Get Some -Matt Dralle======================== - The Zenith-List======================================================================================================= > > > _____________________________________________________________ > It's never too old to date. Senior Dating. Click Here. (http://thirdpartyoffers.netzero.net/TGL2222/fc/Ioyw6i4vdf97dZSEY1QjnbMdvW79NqpH0OuK4Qy82tWlQcGS6Y3uzw/?count=1234567890) > -------- Scratch building XL with Corvair Engine Read this topic online here: http://forums.matronics.com/viewtopic.php?p=214533#214533


    Message 2


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    Time: 09:04:27 AM PST US
    From: "Chuck Deiterich" <cffd@pgrb.com>
    Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau)
    Grant, I noticed I was flying slightly nose up in cruise in my 701. I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph. Chuck D. N701TX


    Message 3


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    Time: 12:16:44 PM PST US
    From: "Roger & Lina Hill" <hills@sunflower.com>
    Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau)
    On my Kitfox 2, the flapperons were primarily used to trim the plane, according to the flight manual. Roger _____ From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of Chuck Deiterich Sent: Sunday, November 16, 2008 11:01 AM Subject: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corriveau) Grant, I noticed I was flying slightly nose up in cruise in my 701. I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph. Chuck D. N701TX


    Message 4


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    Time: 12:35:36 PM PST US
    From: Bill Pagan <pdn8r@yahoo.com>
    Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau)
    OK, my stupid factor is in high gear today.- I'm having difficulty with t he flap switch wiring as shown on 6B-20.- I've attached a copy.- Somebo dy help me out, as I can't seem to get it right.- I see that the black wi re from the flap motor goes to the #1 lug.- Red goes to number 3 lug.- Ground goes to #2.- Hot wire from the buss goes to 5 Beyond that I get co nfused.- I've attached the diagram. Thanks in advance. Bill Pagan --- On Sun, 11/16/08, Chuck Deiterich <cffd@pgrb.com> wrote: From: Chuck Deiterich <cffd@pgrb.com> Subject: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corriveau) Grant, - I noticed I was flying slightly nose up in cruise in my 701.- I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph.- - Chuck D. N701TX =0A=0A=0A


    Message 5


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    Time: 01:04:30 PM PST US
    From: Bill Pagan <pdn8r@yahoo.com>
    Subject: Flap Switch Wiring
    Sorry forgot to change the subject line on the below message. Bill Pagan --- On Sun, 11/16/08, Bill Pagan <pdn8r@yahoo.com> wrote: From: Bill Pagan <pdn8r@yahoo.com> Subject: Re: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corrivea u) OK, my stupid factor is in high gear today.- I'm having difficulty with t he flap switch wiring as shown on 6B-20.- I've attached a copy.- Somebo dy help me out, as I can't seem to get it right.- I see that the black wi re from the flap motor goes to the #1 lug.- Red goes to number 3 lug.- Ground goes to #2.- Hot wire from the buss goes to 5 Beyond that I get co nfused.- I've attached the diagram. Thanks in advance. Bill Pagan --- On Sun, 11/16/08, Chuck Deiterich <cffd@pgrb.com> wrote: From: Chuck Deiterich <cffd@pgrb.com> Subject: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corriveau) Grant, - I noticed I was flying slightly nose up in cruise in my 701.- I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph.- - Chuck D. N701TX =0A=0A=0A


    Message 6


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    Time: 01:06:01 PM PST US
    From: "Dave VanLanen" <davevanlanen@sbcglobal.net>
    Subject: Re: 601XL - Aileron Trim Tab Deflection
    Thanks for everyone's input to my question. Sorry if it caused any discord in the group - that was not my intention. Dave Time: 09:44:12 PM PST US Subject: Zenith-List: Re: 601XL - Aileron Trim Tab Deflection From: "Ron Lendon" <rlendon@comcast.net> I ditto what Juan says. Just make a new part and let's all stop over analyzing this. -------- Ron Lendon, Clinton Township, MI Corvair with Roy's Garage 5th bearing Zodiac XL, ScrapBuilder ;-)


    Message 7


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    Time: 01:23:58 PM PST US
    From: "Craig Payne" <craig@craigandjean.com>
    Subject: Flap Switch Wiring
    OK, the note above the schematic that says "Circuit is shown for flaps up: the worm gear is in the retracted position shutting off the up limit micro sw". But the schematic shows the up-limit switch closed, not open. So they contradict each other. I think the schematic either shows the system in the full down position or is wrong. It all depends on which way the motor turns when red is positive or black is positive. Since I only currently have the new-style sealed flap motor I can't test this for you. But as shown if you moved the toggle to connect lugs 1-2 and lugs 4-5 nothing will happen because the "down" switch is open, breaking the circuit from lug 4. If you move the toggle to connect lugs 2-3 and 5-6 the motor will turn until the "up" switch gets hit and breaks the circuit from lug 6. Anyway the red wire goes to lug 3 on the toggle switch AND the common lug on the "down" limit micro-switch (the one towards the rear of the plane and away from the electric motor). Likewise the black wire goes to lug 1 and the "normally closed" lug (marked "NC") on the flap-up limit switch (towards the front of the plane and the electric motor) In all four wires have to run from the flap actuator to the toggle switch on your panel. The remaining two wires are: - a wire from the common lug on the "up" limit switch to lug 6 on the toggle on the panel - a wire from the normally closed ("NC") lug on the "down limit" switch to lug 4 on the toggle on the panel. BE VERY CARFUL with the screw terminals on the limit switches. The plastic cases are fragile. Don't try to bend the lugs. Basically for either direction the toggle on the panel and the appropriate limit switch are wired in series. So the motor will only move as long as both are closed. Release the toggle or hit the limit switch and the motor stops. Test wire half the system (like just the "moving down" direction) and try it with a car battery. You can flip the micro-switch by hand before the traveler reaches it to see if the switch will actually stop the travel. -- Craig From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of Bill Pagan Sent: Sunday, November 16, 2008 1:35 PM Subject: Re: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corriveau) OK, my stupid factor is in high gear today. I'm having difficulty with the flap switch wiring as shown on 6B-20. I've attached a copy. Somebody help me out, as I can't seem to get it right. I see that the black wire from the flap motor goes to the #1 lug. Red goes to number 3 lug. Ground goes to #2. Hot wire from the buss goes to 5 Beyond that I get confused. I've attached the diagram. Thanks in advance. Bill Pagan --- On Sun, 11/16/08, Chuck Deiterich <cffd@pgrb.com> wrote: From: Chuck Deiterich <cffd@pgrb.com> Subject: Zenith-List: Re: Heavy engine and Horiz. stab (Grant Corriveau) Grant, I noticed I was flying slightly nose up in cruise in my 701. I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph. Chuck D. N701TX


    Message 8


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    Time: 02:02:14 PM PST US
    From: Paul Mulwitz <psm@att.net>
    Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau)
    Hi Bill, The trick to understanding DPDT switches like the toggle switch used in the flaps is to know which circuits close when you move the handle. With this switch in the center position (where it rests with no user pushing) none of the circuits are closed. When you push the switch up the bottom output is connected to the center. When you push the switch down the top output pins are connected to the center pins. The circuit operation depends on the use of the "NO" pins on the microswitches. These are "Normally Open". When the mechanical gizmo moves to operate the limit switch it changes the outputs so the "NO" pins become connected to the Common pin and the "NC" pin becomes disconnected from the Common. Opening the NC pin disconnects the power from the motor so the motion is "Limited". You need to figure out which pins are normally closed, common, and normally open on the SPDT microswitches. Then you can wire up the whole thing and it actually works. You might be able to tell by seeing marks on the microswitches, and you can certainly tell with an ohm-meter. I hope this helps. If you still don't get it please describe the problem you are having and I might be able to figure out what is wrong. Good luck, Paul XL getting close Retarded (oops, I mean retired) Electrical Engineer At 12:35 PM 11/16/2008, you wrote: >OK, my stupid factor is in high gear today. I'm having difficulty >with the flap switch wiring as shown on 6B-20. I've attached a >copy. Somebody help me out, as I can't seem to get it right. I see >that the black wire from the flap motor goes to the #1 lug. Red >goes to number 3 lug. Ground goes to #2. Hot wire from the buss >goes to 5 Beyond that I get confused. I've attached the diagram. > >Thanks in advance. > >Bill Pagan


    Message 9


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    Time: 04:18:25 PM PST US
    Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau)
    From: "leinad" <leinad@hughes.net>
    Bill, The idea behind that circuit is that it reverses the polarity going to the motor. One direction and ground is connected to the black and power to the red, push the switch other way and you have the reverse situation. You could hook it up without the limit switches at all and it would still work, but you wouldn't have a switch killing the power when you get to the end of the stroke. Where the schematic shows the wire as if joined in the middle you can hook to either end. You just need wire joining the described lug on the switch to either the motor or the limit switch side that then has a wire going to the motor. I think it will help you if you imagine the circuit without the limit switches. Hope this helps. Dan [quote] ="pdn8r(at)yahoo.com"]OK, my stupid factor is in high gear today. I'm having difficulty with the flap switch wiring as shown on 6B-20. I've attached a copy. Somebody help me out, as I can't seem to get it right. I see that the black wire from the flap motor goes to the #1 lug. Red goes to number 3 lug. Ground goes to #2. Hot wire from the buss goes to 5 Beyond that I get confused. I've attached the diagram. Thanks in advance. Bill Pagan --- On Sun, 11/16/08, Chuck Deiterich wrote: > From: Chuck Deiterich > Subject: Re: Heavy engine and Horiz. stab (Grant Corriveau) > To: "zenith-list" > Date: Sunday, November 16, 2008, 12:00 PM > > Grant, > > I noticed I was flying slightly nose up in cruise in my 701. I dropped the flaperons a small amount and the nose came down and I picked up about 2 mph. > > Chuck D. > N701TX -------- Scratch building XL with Corvair Engine Read this topic online here: http://forums.matronics.com/viewtopic.php?p=214607#214607


    Message 10


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    Time: 05:33:32 PM PST US
    From: Gary Gower <ggower_99@yahoo.com>
    Subject: Re: Heavy engine and Horiz. stab
    Hi Steve, - When the 601 XL airplane-beguined to have "the accidents"- inmediate I remembered the Flying Flea,- Now- that you mentioned the Flying Fleas f rom the 30's...-- - They (the Flying Flea) are remembered not because of the great airplane the y are, but because of the "ban" in England in 1936. The stability problem was solved in 2 weeks of wind tunnel test,- Since t hen, is considered the safest airplane, but the harm was already done.- T he problem were basically 2:- the change of C of G with a heavier engine (Carden-Ford similar to the model A)- and that the elevator actuator had only a pull (cable) movement-and no push. later changed to a rod.- - The Flying Fleas are still made in modern versions,- but also are somethi ng impresive to learn about.-- Their stability and stall proof design i s one of a kind.- Nothing similar with 3 axis airplanes...- I am flying - one and building a two seater modern one. - Well. sorry list for this is really something out of theme...-Could start in this list a discussion larger than the one of the green scotchbrite :-) Please dont comment in the list, I will hate to start someting big not Zeni th related. Just rermembered about the "ban"... - Saludos Gary Gower Builder and flyer of "La Bamba" Ladder Pou. Building a 601 XL Jab 3300. PLEASE!- Do not Archive. - --- On Thu, 11/13/08, steve <notsew_evets@frontiernet.net> wrote: From: steve <notsew_evets@frontiernet.net> Subject: Re: Zenith-List: Heavy engine and Horiz. stab <notsew_evets@frontiernet.net> But, But, but what about flying wings ? These dont have a horizontal stablizer.... My son has a EZE that doest have a H.S. It has two flying surfaces. So do es the flying flea from the 1930s.... ----- Original Message ----- From: "Dirk Zahtilla" <ideaz1@sbcglobal.net> Sent: Thursday, November 13, 2008 8:41 AM Subject: Re: Zenith-List: Heavy engine and Horiz. stab <ideaz1@sbcglobal.net> > > Yup, you are on the right track here. the horiz stab is used to change pitch angle. If you are nose heavy it must be counteracted by down force on the horiz stab/ elevator, efectively doubling the weight that is off balance. I n a perfect world there would be 0lbs. of downforce in straight and level fligh t. Our job is to come as close as we can by balancing the weight before flight . > Dirk > ----- Original Message ----- From: "Grant Corriveau" <grant.corriveau@TELUS.NET> > To: <zenith-list@matronics.com> > Sent: Thursday, November 13, 2008 7:17 AM > Subject: Zenith-List: Heavy engine and Horiz. stab > > <grant.corriveau@telus.net> >> >> I'm confused by the comments regarding the engine mass and the horizontal stab installed angle. >> >> Isn't the engine mass counter-balanced during the construction by final placement of the battery(s) to maintain the Weight & Balance inside the acceptable envelope? Once this is accomplished there is no need to consider "adjusting" the horizontal stab to account for the engine weight, is there? >> >> Curious in Canada >> Grant >> 601 HDS / CAM100 (heavy but worth it) >> >> >> >> > > > > > > =0A=0A=0A




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