Pietenpol-List Digest Archive

Thu 02/02/12


Total Messages Posted: 7



Today's Message Index:
----------------------
 
     1. 04:41 AM - Re: Ford question (Piet2015)
     2. 07:13 AM - Motion Induced Blindness - video (tkreiner)
     3. 09:28 AM - Re: Steel LG Lug Thickness (kevinpurtee)
     4. 10:47 AM - Re: Motion Induced Blindness - video (C N Campbell)
     5. 11:21 AM - GN-1 PROJECT (Dan Gaston)
     6. 11:55 AM - Re: Re: Steel LG Lug Thickness (Mark Roberts)
     7. 02:15 PM - Re: Steel LG Lug Thickness (kevinpurtee)
 
 
 


Message 1


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    Time: 04:41:34 AM PST US
    Subject: Re: Ford question
    From: "Piet2015" <archives@ktfiles.com>
    [quote="l.morlock(at)att.net"]Does your engine have babbit or modern bearings? > [b] I go by CL My engine so far is Model A block new forged balanced crank new forged rods all "modern" inserted bearings new chevy type pistons touring cam up in the air is intake carb head ignition Thanks guys CL Read this topic online here: http://forums.matronics.com/viewtopic.php?p=365441#365441


    Message 2


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    Time: 07:13:26 AM PST US
    Subject: Motion Induced Blindness - video
    From: "tkreiner" <tkreiner@gmail.com>
    Thought the list would benefit from this... and maybe keep all of us a little safer in the skies. Motion Induced Blindness - video ATC, radar controllers and pilots know this but who would have thought about drivers. Unfortunately we know that's not a problem for the people texting while driving. Indirect observation is pretty critical for preserving night vision while driving at night also. This is frightening! It works exactly like it says, and is one major reason people in cars can look right at you (when you're on a motorcycle or bicycle)--- AND NOT SEE YOU. >From a former Naval Aviator. This is a great illustration of what we were taught about scanning outside the cockpit when I went through training back in the '50s. We were told to scan the horizon for a short distance, stop momentarily, and repeat the process. I can remember being told why this was the most effective technique to locate other aircraft. It was emphasized (repeatedly) to NOT fix your gaze for more than a couple of seconds on any single object. The instructors, some of whom were WWII veterans with years of experience, instructed us to continually "keep our eyes moving and our head on a swivel" because this was the best way to survive, not only in combat, but from peacetime hazards (like a midair collision) as well. We basically had to take the advice on faith (until we could experience for ourselves) because the technology to demonstrate it didn't exist at that time. Click on the link below for a demonstration ... http://www.msf-usa.org/motion.html [Target fixation is also a phenomena that plays into this.] -------- Tom Kreiner Read this topic online here: http://forums.matronics.com/viewtopic.php?p=365447#365447


    Message 3


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    Time: 09:28:22 AM PST US
    Subject: Re: Steel LG Lug Thickness
    From: "kevinpurtee" <kevin.purtee@us.army.mil>
    I think you'll be ok with 1/4". Pretty sure that's what I used. I can measure this weekend. Slightly different topic: The attach lugs that form the hinge at the top of the gear legs are welded on in a cantilevered arrangement. On the advice of the FAA, I wrapped and welded thin steel finger reinforcements over the top of the lugs and then down onto the gear legs. That gives several inches of welded support to the lugs instead of approximately 1.5" of welded support in the case of the cantilevered arrangement. There's a reason I point this out. -------- Kevin &quot;Axel&quot; Purtee NX899KP Austin/Georgetown, TX Read this topic online here: http://forums.matronics.com/viewtopic.php?p=365455#365455


    Message 4


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    Time: 10:47:51 AM PST US
    From: "C N Campbell" <cncampbell@windstream.net>
    Subject: Re: Motion Induced Blindness - video
    That's amazing. I knew the condition exists but have never seen it demonstrated before. ----- Original Message ----- From: "tkreiner" <tkreiner@gmail.com> Sent: Thursday, February 02, 2012 10:08 AM Subject: Pietenpol-List: Motion Induced Blindness - video > > Thought the list would benefit from this... and maybe keep all of us a > little safer in the skies. > > Motion Induced Blindness - video > > ATC, radar controllers and pilots know this but who would have thought > about drivers. Unfortunately we know that's not a problem for the people > texting while driving. > > Indirect observation is pretty critical for preserving night vision while > driving at night also. > > This is frightening! It works exactly like it says, and is one major > reason people in cars can ?~look right at you?T (when you're on a > motorcycle or bicycle)--- AND NOT SEE YOU. > >>From a former Naval Aviator. This is a great illustration of what we were >>taught about scanning outside the cockpit when I went through training >>back in the '50s. We were told to scan the horizon for a short distance, >>stop momentarily, and repeat the process. I can remember being told why >>this was the most effective technique to locate other aircraft. It was >>emphasized (repeatedly) to NOT fix your gaze for more than a couple of >>seconds on any single object. > > The instructors, some of whom were WWII veterans with years of experience, > instructed us to continually "keep our eyes moving and our head on a > swivel" because this was the best way to survive, not only in combat, but > from peacetime hazards (like a midair collision) as well. > > We basically had to take the advice on faith (until we could experience > for ourselves) because the technology to demonstrate it didn't exist at > that time. > > Click on the link below for a demonstration ... > http://www.msf-usa.org/motion.html [Target fixation is also a phenomena > that plays into this.] > > -------- > Tom Kreiner > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=365447#365447 > > >


    Message 5


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    Time: 11:21:30 AM PST US
    From: Dan Gaston <design@aerocorpinc.com>
    Subject: GN-1 PROJECT
    Parting out my project was the last thing I wanted to do, but I guess I have no choice. I have a Continental A-65-8 with carb, mags,hub,and logs, on engine stand.Asking $3,000.00 I also still have my GN-1, partially built, but ALL the wood necessary to complete it is here, spars, sheeting, all of it. All but a few of the necessary metal fittings (laser cut), aluminum t.e.,jigs, plans. Asking $2,000.00. Even if you look down upon the GN-1 as inferior, the wood is worth the price for building a "real" Piet. Thank you, Dan Gaston Norwalk, Ohio


    Message 6


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    Time: 11:55:03 AM PST US
    Subject: Re: Steel LG Lug Thickness
    From: Mark Roberts <mark.rbrts1@gmail.com>
    Thanks for the advice on the added reinforcement. Do you have a pic of what you are describing? I am trying to visualize it and am having a bit of difficulty picturing in in my mind... Is what you are describing simply wrapping thin metal around the lugs on the legs of the LG and welding them down the tubes a bit? Or doing something like this on the lugs of the LG mounts where the LG meets the fuse? Thanks Kevin! Mark On Thu, Feb 2, 2012 at 9:24 AM, kevinpurtee <kevin.purtee@us.army.mil>wrote: > kevin.purtee@us.army.mil> > > I think you'll be ok with 1/4". Pretty sure that's what I used. I can > measure this weekend. > > Slightly different topic: The attach lugs that form the hinge at the top > of the gear legs are welded on in a cantilevered arrangement. On the > advice of the FAA, I wrapped and welded thin steel finger reinforcements > over the top of the lugs and then down onto the gear legs. That gives > several inches of welded support to the lugs instead of approximately 1.5" > of welded support in the case of the cantilevered arrangement. > > There's a reason I point this out. > > -------- > Kevin &quot;Axel&quot; Purtee > NX899KP > Austin/Georgetown, TX > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=365455#365455 > >


    Message 7


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    Time: 02:15:35 PM PST US
    Subject: Re: Steel LG Lug Thickness
    From: "kevinpurtee" <kevin.purtee@us.army.mil>
    I don't have any pictures of the modification. Sorry. Here's a photo of the location I'm talking about. And yes, I'm talking about wrapping metal over the top of these lugs and down the gear legs 1.5" or so. Obviously the metal reinforcement is clearanced between the lugs. If you're a good welder you probably wouldn't need to worry about it. I'm an amateur and I've had well-documented problems with these welds so I took the FAA man's advice. -------- Kevin &quot;Axel&quot; Purtee NX899KP Austin/Georgetown, TX Read this topic online here: http://forums.matronics.com/viewtopic.php?p=365490#365490 Attachments: http://forums.matronics.com//files/landing_gear_top_lug_197.gif




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