Zenith-List Digest Archive

Wed 04/09/03


Total Messages Posted: 21



Today's Message Index:
----------------------
 
     1. 07:27 AM - Source for push rod in elevator trim (Steve Danielson)
     2. 08:23 AM - Re: Re: Zenith-List Digest: 19 Msgs - 04/07/03 (HINDE,FRANK (HP-Corvallis,ex1))
     3. 08:47 AM - Re: Source for push rod in elevator trim (HINDE,FRANK (HP-Corvallis,ex1))
     4. 11:49 AM - Fuselage wing fairing (Michel Therrien)
     5. 12:14 PM - Re: Fuselage wing fairing (Dave Alberti)
     6. 12:54 PM - Re: Fuselage wing fairing (HINDE,FRANK (HP-Corvallis,ex1))
     7. 01:21 PM - Re: Rear fuselage (Larry McFarland)
     8. 01:26 PM - Re: Fuselage wing fairing (Larry McFarland)
     9. 01:27 PM - Re: Fuselage wing fairing (Michel Therrien)
    10. 01:36 PM - Re: Fuselage wing fairing (Michel Therrien)
    11. 01:43 PM - AeroFlash vs Whelen strobes (Wayne Glasser)
    12. 02:56 PM - Re: AeroFlash vs Whelen strobes (Michel Therrien)
    13. 03:10 PM - Re: Fuselage wing fairing (HINDE,FRANK (HP-Corvallis,ex1))
    14. 03:17 PM - Re: AeroFlash vs Whelen strobes (HINDE,FRANK (HP-Corvallis,ex1))
    15. 03:36 PM - Re: Fuselage wing fairing (Randy Stout)
    16. 03:49 PM - Re: AeroFlash vs Whelen strobes (Wayne Glasser)
    17. 04:02 PM - Re: Fuselage wing fairing (Mark Townsend)
    18. 04:30 PM - Re: Fuselage wing fairing (Jeff Small)
    19. 05:02 PM - Re: Fuselage wing fairing (Michel Therrien)
    20. 05:37 PM - LE fuel tanks...spray foam (HINDE,FRANK (HP-Corvallis,ex1))
    21. 10:23 PM - CH601 POH available in word format? (royt.or)
 
 
 


Message 1


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    Time: 07:27:37 AM PST US
    From: "Steve Danielson" <steved@nc.rr.com>
    Subject: Source for push rod in elevator trim
    --> Zenith-List message posted by: "Steve Danielson" <steved@nc.rr.com> I am looking for a pushrod for the MAC elevator trim. ACS sells a kit for $16.90 that has the 2 clevises, hardware, and a 7" pushrod, but I don't need any of that other stuff, only the pushrod. Is it a standard item that I could go to any hardware store and say: "give me a 7" inch threaded rod that is XXX diameter" or is it a "special" aviation quality rod? Thanks for any tips Steve


    Message 2


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    Time: 08:23:40 AM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: Re: Zenith-List Digest: 19 Msgs - 04/07/03
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> Not sure about the smaller engines but with a (claimed) 100hp Stratus this thing always brings a smile on takeoff and "Whoo-hoos" from the passenger. I personally would not recommend the Stratus motor, even though it saddens me to say it. Now Ramsoob is a different story. He seems to be getting some reliable performance and is a whole different operation from Stratus. Ramsoob made me a proper set of stepped valve guides that will never shake out of the head and cause engine damage. One day I will investigate one of his 130 hp motors...now that would really climb! FRank -----Original Message----- From: Greg P Jannakos [mailto:gpjann@juno.com] Subject: Zenith-List: Re: Zenith-List Digest: 19 Msgs - 04/07/03 --> Zenith-List message posted by: Greg P Jannakos <gpjann@juno.com> Greg Jannakos Zodiac CH601HDS Plans building 75% completed I'm about ready to start on FWF and need to select the engine. I would appreciate any performance information on the following engines: Rotax 912 80HP Jabiru 2200 Corvair Continental C75/85/90 Continental O200 Thanks gpjann@juno.com Atlanta, Ga. advertising on the Matronics Forums. Share: Share photos & files with other List members.


    Message 3


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    Time: 08:47:56 AM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: Source for push rod in elevator trim
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> No it looks like a standard ss threaded rod. I would go to the hardware store. The plane is quite flyable with the trim stuck all the way up or down, but the worse thing that could happen is the rod would break and the thing would flap around. Mildly irritating but certainly not a safety issue. There is so little force on it anyway its never gonna break. Frank --> Zenith-List message posted by: "Steve Danielson" <steved@nc.rr.com> I am looking for a pushrod for the MAC elevator trim. ACS sells a kit for $16.90 that has the 2 clevises, hardware, and a 7" pushrod, but I don't need any of that other stuff, only the pushrod. Is it a standard item that I could go to any hardware store and say: "give me a 7" inch threaded rod that is XXX diameter" or is it a "special" aviation quality rod? Thanks for any tips Steve


    Message 4


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    Time: 11:49:04 AM PST US
    From: Michel Therrien <mtherr@yahoo.com>
    Subject: Fuselage wing fairing
    --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> Hello group, I am making the 6E1-1 part (fuselage - wing fairing) for the 601-HD(S) and I am wondering if I should cut it as per the dimensions in the plans or if I have to make a carton dummy and test it on the plane until I find the true dimensions. Any advise? Michel ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com


    Message 5


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    Time: 12:14:42 PM PST US
    From: "Dave Alberti" <daberti@execpc.com>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: "Dave Alberti" <daberti@execpc.com> Mike, I made posterboard patterns of the shape from the plans and then test fit to see how close they were. In my case the Zenith sizes were larger than my finished dimensions but the angles were also slightly different. I suggest that you make the cutout patterns and test fit before you cut your aluminum part. I also reinforced this area using "L" material and placed a piece of .025 under the skin as well as a reinforcement to the trailing edge (also an "L" but bent to conform to the trailing edge shape). I'm not sure if I have pictures on my web site but Jeff Small and others have done similar. Dave ----- Original Message ----- From: "Michel Therrien" <mtherr@yahoo.com> Subject: Zenith-List: Fuselage wing fairing > > Hello group, > > I am making the 6E1-1 part (fuselage - wing fairing) > for the 601-HD(S) and I am wondering if I should cut > it as per the dimensions in the plans or if I have to > make a carton dummy and test it on the plane until I


    Message 6


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    Time: 12:54:28 PM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: Fuselage wing fairing
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> Definatly make a cardboard pattern first...its a complex piece and you can make ans many cardboard patterns as you want with no metal scrap! I remember my final fairing had little resemblance to the drawing dimensions You must be getting close...I remember the excitement of this phase of the work! Frank HDS 300 hours -----Original Message----- From: Michel Therrien [mailto:mtherr@yahoo.com] Subject: Zenith-List: Fuselage wing fairing --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> Hello group, I am making the 6E1-1 part (fuselage - wing fairing) for the 601-HD(S) and I am wondering if I should cut it as per the dimensions in the plans or if I have to make a carton dummy and test it on the plane until I find the true dimensions. Any advise? Michel ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com advertising on the Matronics Forums. Share: Share photos & files with other List members.


    Message 7


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    Time: 01:21:31 PM PST US
    From: "Larry McFarland" <larrymc@qconline.com>
    Subject: Re: Rear fuselage
    --> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com> Ivan, The side skins probably will be just a smidge above the angles. Don't distress over it because the top skins overlap the side skins and the overlap is not a major concern if you keep the frames at correct dimensions. Larry ----- Original Message ----- From: <owner-zenith-list-server@matronics.com> Subject: Zenith-List: Rear fuselage > --> Zenith-List message posted by: > > Thanks for the information, you are right, I was > measuring from the bottom longeron. Problem solved. > I have one more question: Are the side skins flush > with the top rear longerons? When I place mine they > are about 5-6 mm above the top longeron. They look > fine in the bottom longeron but not in the top. > > > <Ivan, > <The rear fuselage side frames are all 90-degrees as > measured > from the top longeron, with exception to the pickup > angles > that align with the front spar and the frame channels > that align and > attach to the rear spar web. These have their own > angle. > I hope this helps. > Larry C. McFarland - 601hds at www.macsmachine.com > > ----- Original Message ----- > Subject: Rear fuselage > > > > Hi: > > I have a question for those who have "been there". > On > > step 17 of the rear fuselage draft manual (601 HD) > > it calls to drill the rear middle side skins to the > > H.T. frames. Since I'm building from a kit, my rear > > side skins come pre drilled. The problem is that the > > pre drilled holes that go to the HT frames are not > in > > a 90 degree angle, they are like slanted to the rear > > of the skin, so the only way to attach the HT frames > > is to "lean" them towards the tail. > > The plans call for the > > HT frames to be at a 90 degree angle so I don't > know > > if this would be critical. How slanted are they? If > a > > draw a line at 90 degrees that goes from bottom to > > top of the skin, > > the most upper hole is off by 11mm. > > Any advice is appreciated. > > Thank you. > > Ivan Rosales > > Mexico City. > > > > > La mejor conexin a internet y 25MB extra a tu correo por $100 al mes. http://net.yahoo.com.mx > >


    Message 8


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    Time: 01:26:50 PM PST US
    From: "Larry McFarland" <larrymc@qconline.com>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com> Michel, I'm nearing that point too, but have come to the point of never trusting the drawings completely. Suggest you cut a template to proof it first. Larry McFarland -601hds do not archive ----- Original Message ----- From: "Michel Therrien" <mtherr@yahoo.com> Subject: Zenith-List: Fuselage wing fairing > --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> > > Hello group, > > I am making the 6E1-1 part (fuselage - wing fairing) > for the 601-HD(S) and I am wondering if I should cut > it as per the dimensions in the plans or if I have to > make a carton dummy and test it on the plane until I > find the true dimensions. > > Any advise? > > Michel


    Message 9


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    Time: 01:27:11 PM PST US
    From: Michel Therrien <mtherr@yahoo.com>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> Thanks! I will use a 0.025" skin for this part and I intend to install L stiffeners the same way as Fred Hulen did (http://homepages.together.net/~billvt/Fairings%20by%20Fred/Fairings.htm) Thanks for the advise. Michel --- Dave Alberti <daberti@execpc.com> wrote: > --> Zenith-List message posted by: "Dave Alberti" > <daberti@execpc.com> > > Mike, > I made posterboard patterns of the shape from the > plans and then test fit to > see how close they were. In my case the Zenith > sizes were larger than my > finished dimensions but the angles were also > slightly different. ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com


    Message 10


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    Time: 01:36:40 PM PST US
    From: Michel Therrien <mtherr@yahoo.com>
    Subject: Fuselage wing fairing
    --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> It's pretty exciting, but I have quite a bit of work still left: - fitting the wings to the centerwing (including wing to fuselage fairing), canopy, cowling, exhaust and reduction drive and propeller installation. I intend to make a fiberglass cowling that will fit my Subaru installation. The problem I have these days is getting the required parts. After finding some defects with my reduction drive, I returned it and I can't progress anymore firewall forward until I get the redrive back. I've been waiting several weeks longer than expected on this one. For the canopy, same kind of thing... I'm waiting for the bubble to arrive. My job quit me in december following a reorg, and I decided to take a sabatical and complete the construction of the aircraft. I need to have this done by mid-august or I will be really disapointed... I cross my fingers (only during construction breaks!) What's pretty much fun these days in the garage is that having the electrical system completed, I can listen the St-Hubert control tower. Not being a pilot, it's interesting, I'm getting to knowing the vocabulary and the alphabet. :-) Thanks for the fuselage fairing advise. Michel PS: picture of the day (Subaru engine installation) http://pages.infinit.net/mthobby/daypict.jpg do not archive --- "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> wrote: > --> Zenith-List message posted by: "HINDE,FRANK > (HP-Corvallis,ex1)" <frank.hinde@hp.com> > > Definatly make a cardboard pattern first...its a > complex piece and you can > make ans many cardboard patterns as you want with no > metal scrap! > > I remember my final fairing had little resemblance > to the drawing dimensions > > You must be getting close...I remember the > excitement of this phase of the > work! > ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com


    Message 11


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    Time: 01:43:32 PM PST US
    From: "Wayne Glasser" <ku-tec@bigpond.net.au>
    Subject: AeroFlash vs Whelen strobes
    --> Zenith-List message posted by: "Wayne Glasser" <ku-tec@bigpond.net.au> Just wondering if anyone can shed any light (no pun intended) on the pros and cons of using either AeroFlash or Whelen strobes. Thanks Wayne Glasser Sydney - Australia 601XL 5075


    Message 12


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    Time: 02:56:18 PM PST US
    From: Michel Therrien <mtherr@yahoo.com>
    Subject: Re: AeroFlash vs Whelen strobes
    --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> The Aeroflash are much less powerful than the Whelen ones. I don't remember how much, but I found that information in the RV list archives (before I elected to go with the Whelen). I also remember a few people here commenting on the low quality of construction of the Aeroflash powersupply. Michel do not archive --- Wayne Glasser <ku-tec@bigpond.net.au> wrote: > Just wondering if anyone can shed any light (no pun > intended) on the pros > and cons of using either AeroFlash or Whelen > strobes. > ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com


    Message 13


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    Time: 03:10:00 PM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: Fuselage wing fairing
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> Very interesting Michel... Are you sure the rad will work there? I assume your filler/air pocket pot for the rad will be above the rad at the highest point in the system. I can tell you you have an air pressure of about 2" W.C of static pressure available inside of the cowl compared with the static port. In theory the area under the cowl shuld be a little lower than staic so you have a good chance of flowing quite a bit of air. Did you design this or is it a "try it and see what happens" design? Frank Do not archive -----Original Message----- From: Michel Therrien [mailto:mtherr@yahoo.com] Subject: RE: Zenith-List: Fuselage wing fairing --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> It's pretty exciting, but I have quite a bit of work still left: - fitting the wings to the centerwing (including wing to fuselage fairing), canopy, cowling, exhaust and reduction drive and propeller installation. I intend to make a fiberglass cowling that will fit my Subaru installation. The problem I have these days is getting the required parts. After finding some defects with my reduction drive, I returned it and I can't progress anymore firewall forward until I get the redrive back. I've been waiting several weeks longer than expected on this one. For the canopy, same kind of thing... I'm waiting for the bubble to arrive. My job quit me in december following a reorg, and I decided to take a sabatical and complete the construction of the aircraft. I need to have this done by mid-august or I will be really disapointed... I cross my fingers (only during construction breaks!) What's pretty much fun these days in the garage is that having the electrical system completed, I can listen the St-Hubert control tower. Not being a pilot, it's interesting, I'm getting to knowing the vocabulary and the alphabet. :-) Thanks for the fuselage fairing advise. Michel PS: picture of the day (Subaru engine installation) http://pages.infinit.net/mthobby/daypict.jpg do not archive --- "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> wrote: > --> Zenith-List message posted by: "HINDE,FRANK > (HP-Corvallis,ex1)" <frank.hinde@hp.com> > > Definatly make a cardboard pattern first...its a > complex piece and you can > make ans many cardboard patterns as you want with no > metal scrap! > > I remember my final fairing had little resemblance > to the drawing dimensions > > You must be getting close...I remember the > excitement of this phase of the > work! > ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com advertising on the Matronics Forums. Share: Share photos & files with other List members.


    Message 14


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    Time: 03:17:28 PM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: AeroFlash vs Whelen strobes
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> The big fat capacitor in the Aeroflash units fail regularly. Both of mine are their third capacitors. This is a big headache at first 'cos you have to send your power unit back to the factory where they happily charge you $50 to repair the thing...that gets expensive. Fortunatly when I pressed them they told me that the capacitors tend to leak if not used regularly (mine failed anyway even when they were used almost every day). So I drilled ou the rivets, found the big fat capacitor (50 micro farads at 400 volts I think) and got one from a local electronics store for ten bucks. 20 minutes later....voila!...works great...till about a year later. I now just replace the capacitor. Frank 601 HDS 300 hours -----Original Message----- From: Wayne Glasser [mailto:ku-tec@bigpond.net.au] Subject: Zenith-List: AeroFlash vs Whelen strobes --> Zenith-List message posted by: "Wayne Glasser" --> <ku-tec@bigpond.net.au> Just wondering if anyone can shed any light (no pun intended) on the pros and cons of using either AeroFlash or Whelen strobes. Thanks Wayne Glasser Sydney - Australia 601XL 5075


    Message 15


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    Time: 03:36:03 PM PST US
    From: "Randy Stout" <r5t0ut@earthlink.net>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: "Randy Stout" <r5t0ut@earthlink.net> I just re-made mine using Fred's method and really think this is the way to go. It does add a little weight, but I'm not so worried about someone stepping on them anymore. Although I wouldn't recommend walking on them, I did test the strength by standing on them and they held my 180 lb. butt. I guess I should tell you why I had to re-make mine... Awhile back there was a thread about this and one of the suggestions was to squirt foam into the cavity. Composite builders make sandwiches of fiberglass and foam, which makes a very strong structure. The general idea made sense, so why not give it a try? The first problem was trying to get the foam distributed into the cavity. I drilled 2, 3/8" holes to insert the tube into, and tried to poke the tube in as far as I could in different directions. It still felt as if there were pockets without foam. The second problem was with curing. After a more than a month the foam never completely cured. Every day I would clean out the holes in the bottom to relieve the pressure. One warm day the skins began to buckle slightly. That's when I gave up and removed them. One other fear was with the foam collecting water. Since the foam was closed cell foam, I didn't think this would be a problem. Unfortunately I couldn't get all the cavity filled so there were pockets where water could have accumulated. Randy Stout CH 601 HD r5t0ut@earthlink.net http://www.geocities.com/r5t0ut21/index.html ----- Original Message ----- From: "Michel Therrien" <mtherr@yahoo.com> Subject: Re: Zenith-List: Fuselage wing fairing > --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> > > Thanks! I will use a 0.025" skin for this part and I > intend to install L stiffeners the same way as Fred > Hulen did > (http://homepages.together.net/~billvt/Fairings%20by%20Fred/Fairings.htm) > > Thanks for the advise. > > Michel > > --- Dave Alberti <daberti@execpc.com> wrote: > > --> Zenith-List message posted by: "Dave Alberti" > > <daberti@execpc.com> > > > > Mike, > > I made posterboard patterns of the shape from the > > plans and then test fit to > > see how close they were. In my case the Zenith > > sizes were larger than my > > finished dimensions but the angles were also > > slightly different. > > ===== > ---------------------------- > Michel Therrien CH601-HD > http://mthobby.pcperfect.com/ch601 > http://www.zenithair.com/bldrlist/profiles/mthobby > http://pages.infinit.net/mthobby > > http://tax.yahoo.com > >


    Message 16


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    Time: 03:49:50 PM PST US
    From: "Wayne Glasser" <ku-tec@bigpond.net.au>
    Subject: Re: AeroFlash vs Whelen strobes
    --> Zenith-List message posted by: "Wayne Glasser" <ku-tec@bigpond.net.au> Frank Thanks for your comments. I find it hard to believe that they capacitors fail due to lack of use as they say, it is more likely that they have not used the correct type of cap. There is a particular type of cap made by a few companies designated 'photo flash' or 'strobe'. These capacitors are designed to handle the massive current surge when the flash tube discharges. If you do not use the correct type of cap you will forever be replacing them. Regards Wayne Glasser Sydney - Australia 601XL 5075 ----- Original Message ----- From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> Subject: RE: Zenith-List: AeroFlash vs Whelen strobes > --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> > > The big fat capacitor in the Aeroflash units fail regularly. Both of mine > are their third capacitors. This is a big headache at first 'cos you have to > send your power unit back to the factory where they happily charge you $50 > to repair the thing...that gets expensive. > > Fortunatly when I pressed them they told me that the capacitors tend to leak > if not used regularly (mine failed anyway even when they were used almost > every day). So I drilled ou the rivets, found the big fat capacitor (50 > micro farads at 400 volts I think) and got one from a local electronics > store for ten bucks. > > 20 minutes later....voila!...works great...till about a year later. > > I now just replace the capacitor. > > Frank > 601 HDS 300 hours > > > -----Original Message----- > From: Wayne Glasser [mailto:ku-tec@bigpond.net.au] > To: zenith-list@matronics.com > Subject: Zenith-List: AeroFlash vs Whelen strobes > > > --> Zenith-List message posted by: "Wayne Glasser" > --> <ku-tec@bigpond.net.au> > > Just wondering if anyone can shed any light (no pun intended) on the pros > and cons of using either AeroFlash or Whelen strobes. > > Thanks > > Wayne Glasser > Sydney - Australia > 601XL 5075 > >


    Message 17


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    Time: 04:02:24 PM PST US
    From: "Mark Townsend" <601xl@sympatico.ca>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: "Mark Townsend" <601xl@sympatico.ca> Michel What are you using for a re-drive? Mark do not archive -----Original Message----- From: Michel Therrien <mtherr@yahoo.com> Subject: RE: Zenith-List: Fuselage wing fairing >--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> > > >It's pretty exciting, but I have quite a bit of work >still left: > >- fitting the wings to the centerwing (including wing >to fuselage fairing), canopy, cowling, exhaust and >reduction drive and propeller installation. > >I intend to make a fiberglass cowling that will fit my >Subaru installation. > >The problem I have these days is getting the required >parts. > >After finding some defects with my reduction drive, I >returned it and I can't progress anymore firewall >forward until I get the redrive back. I've been >waiting several weeks longer than expected on this >one. > >For the canopy, same kind of thing... I'm waiting for >the bubble to arrive. > >My job quit me in december following a reorg, and I >decided to take a sabatical and complete the >construction of the aircraft. I need to have this >done by mid-august or I will be really disapointed... >I cross my fingers (only during construction breaks!) > >What's pretty much fun these days in the garage is >that having the electrical system completed, I can >listen the St-Hubert control tower. Not being a >pilot, it's interesting, I'm getting to knowing the >vocabulary and the alphabet. :-) > >Thanks for the fuselage fairing advise. > >Michel >PS: picture of the day (Subaru engine installation) >http://pages.infinit.net/mthobby/daypict.jpg > >do not archive > > >--- "HINDE,FRANK (HP-Corvallis,ex1)" ><frank.hinde@hp.com> wrote: >> --> Zenith-List message posted by: "HINDE,FRANK >> (HP-Corvallis,ex1)" <frank.hinde@hp.com> >> >> Definatly make a cardboard pattern first...its a >> complex piece and you can >> make ans many cardboard patterns as you want with no >> metal scrap! >> >> I remember my final fairing had little resemblance >> to the drawing dimensions >> >> You must be getting close...I remember the >> excitement of this phase of the >> work! >> > >===== >---------------------------- >Michel Therrien CH601-HD > http://mthobby.pcperfect.com/ch601 > http://www.zenithair.com/bldrlist/profiles/mthobby > http://pages.infinit.net/mthobby > >http://tax.yahoo.com > >


    Message 18


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    Time: 04:30:28 PM PST US
    From: "Jeff Small" <zodiacjeff@msn.com>
    Subject: Re: Fuselage wing fairing
    --> Zenith-List message posted by: "Jeff Small" <zodiacjeff@msn.com> >One warm day the skins began to buckle slightly. That's when I gave up and removed them. If Jim Hoak were on the list he might have told builders of this. He gave me the same recount at OSH in '99. The foam expands, and expands, and expands. do not archive


    Message 19


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    Time: 05:02:56 PM PST US
    From: Michel Therrien <mtherr@yahoo.com>
    Subject: Fuselage wing fairing
    --> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com> Yes, the radiator cap is higher than the radiator (but not by a lot). Three of my friends have Subaru engines with in-cowl radiators. They're all happy with their temperatures although two of them had some difficulty initially because the intake holes in their cowling were two small. The pressure may be higher than what you mention. The reason is that the cowling must be made so it is a "pressure cowling". That means that it is sealed all around (see the problem for the bottom part?) so that air is forced through the radiator before exiting underneath the plane. My mentor also told me that the shape of the cowling at the exit is important so a turbulence is created, acting like a venturi (or vacuum?) for the radiator air. I feel that it is a proven approach now and I don't think I'm venturing too much in new areas. I expect it to work as well as it does for my buddies. Michel --- "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> wrote: > --> Zenith-List message posted by: "HINDE,FRANK > (HP-Corvallis,ex1)" <frank.hinde@hp.com> > > Very interesting Michel... >... > Did you design this or is it a "try it and see what > happens" design? > ===== ---------------------------- Michel Therrien CH601-HD http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby http://tax.yahoo.com


    Message 20


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    Time: 05:37:01 PM PST US
    From: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
    Subject: LE fuel tanks...spray foam
    --> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com> Interesting.... Actually I did eventually use foam to stop my LE fuel tanks moving around (sqirt between wing spar and fuel tank and between tank and inner nose rib. Worked very well, good job because it was a pain to get the tank caps to ligh up every time I re-fuelled otherwise.. Frank


    Message 21


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    Time: 10:23:05 PM PST US
    From: "royt.or" <royt.or@netzero.net>
    Subject: CH601 POH available in word format?
    --> Zenith-List message posted by: "royt.or" <royt.or@netzero.net> Is there a CH601 POH available in word format which is easy to edit for a specific plane? I have a copy of GGP's from 1996 as a .htm file, and I have a .pdf from Zenair, but it would sure be nice to have a .doc formatted POH. (Yes, word imports the .htm files easily, and I will probably edit George's if I don't find anything else.) I did not find anything else searching the archives. Thanks, Roy




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