Introducing the Avia 51 - Page 4
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  1. #76

    Avia 156 Mapped and Ready for the Paint Shop

    Okay, I have now been able to map the exterior and interior in a fog (head cold).

    She is ready for the paint shop.

    I will focus on the flight model and VC for her next, but ...

    Now back to the "51".
    Milton Shupe
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  2. #77
    SOH-CM-2023 Hurricane91's Avatar
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    Quote Originally Posted by Milton Shupe View Post
    I finally got those pesky cockpit windows overhead cut in.
    The Avia 156 is looking great Milton. I am suprised that only one was built. I have found very little on the 156 but did verify the Czech registration as OK-AVB.
    The three Avia 51s were originaly registered as OK-ABV, OK-ABW, and OK-ABZ.

  3. #78
    Quote Originally Posted by Hurricane91 View Post
    The Avia 156 is looking great Milton. I am suprised that only one was built. I have found very little on the 156 but did verify the Czech registration as OK-AVB.
    The three Avia 51s were originaly registered as OK-ABV, OK-ABW, and OK-ABZ.
    I am not certain that the 156 ever left prototype status probably due to the war and invasion. I cannot find anything definitive on a production version.

    I am still in hopes of finding something on the interior and cockpit. I have dragged my feet on the cockpit design in hopes of some glimpse or hint of the interior.

    Thanks for your help.
    Milton Shupe
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  4. #79
    As the former Seattle Mariner's announcer would have said:

    MY OH MY!!!
    Keep your airspeed up,



    Jagdflieger

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  5. #80
    SOH-CM-2023 Hurricane91's Avatar
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    Quote Originally Posted by Milton Shupe View Post
    I am not certain that the 156 ever left prototype status...
    My undestanding was that the prototype crashed in 1935. Perhaps the appearance of the Lockheed Orion in Swissair service eclipsed the Avia as it did a number of other aircraft.

    Still seaching for anything on these birds. Because of the TX holiday, I will not make it back to the tech library until Friday at the earliest. In the meantime, I will follow up on some leads at couple of modeling sites.

  6. #81
    Thanks for all the help and comments; greatly appreciated.

    I am trying to make a graphic of the face of the R12 engine ( a 7 cylinder) since a picture cannot be found.

    I took the cylinder and housing section from the R17 (a 12 cylinder, same appearance) and mapped it to 1/7th of a cylinder in gmax, then array created a 7-cylinder engine.

    Now I need some photoshop help to fill in the gaps.I would also like the graphic to be a little darker as if it were hiding back inside a cowling, and probably more of a monotone.

    Attaching the source R-17, an angled view of the RK-12, and the resulting R-12 attempt.

    Any takers?
    Milton Shupe
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  7. #82

    Avia 51 Exterior Mapped

    Progress on the "51" side with the exterior mapped, excepting the engine faces of course.

    Today, I should finish mapping of the interior cabin.

    Cockpit, panel and gauges, and flight model remain.
    Milton Shupe
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  8. #83
    Charter Member 2012 nigel richards's Avatar
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    Quote Originally Posted by Milton Shupe View Post
    Attaching the source R-17, an angled view of the RK-12, and the resulting R-12 attempt.

    Any takers?
    Milton, I think you could be using far more from the lefthand photo.It certainly looks great quality wise.
    The drive-shaft obviously is of no interest if not mistaken.

    The 3 top cylinders are in good perspective and seem copy/pastable so it shouldn't be too difficult.

    Surely they'll all be rushing to the rescue in a while but, in the event of our many talented texmen overlooking this;
    I'll have a bash Chief!


    I'd rather they took it on as I'm listening to some serious classical 'music' right now
    Most men often say what they think!
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  9. #84
    SOH-CM-2023 Hurricane91's Avatar
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    Quote Originally Posted by Milton Shupe View Post
    Progress on the "51" side with the exterior mapped, excepting the engine faces of course.
    It looks like you have also cut out the cockpit overhead windows as well. I saw that engine and thought you had located an R 12.
    In searching for the Avia powerplant, I looked at many 7 cylinder engines. By comparison, the Jacobs R-755 is very similar to the R 12 and could pinch hit for the Avia.
    The center engines exhaust pipes look a bit forward to me. Maybe it's the angle, but you might take a look when you get a chance and see what you think.

    Edit: Sorry, I missed the engine work comments above.

  10. #85
    If you have a front-facing picture of the Jacobs, I'll certainly use it. Meanwhile, some additional shots to show where we are on the interior as well.
    Milton Shupe
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  11. #86
    SOH-CM-2023 Hurricane91's Avatar
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    Wow! That looks great. Silvery.
    Meanwhile, here are the Jacobs...

    Attachment 52755Attachment 52756

  12. #87
    Charter Member 2012 nigel richards's Avatar
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    Quote Originally Posted by Hurricane91 View Post
    ...By comparison, the Jacobs R-755 is very similar to the R 12 and could pinch hit for the Avia.
    Nail right on the head H!

    In my research, I found the two almost identical (sounds similar too).

    edit; even the dimensions are similar...copy perhaps?
    Most men often say what they think!
    An honest man usually means what he says!
    A gentleman always says what he means!

    "Αίεν Υψικρατείν "

    A fool is not he who asks a simple question, but he who would simply have its asking denied. (Richards 2012)

  13. #88
    Good morning, Milton

    I would be happy to work your engine graphics if you like. I hope the photo is physically larger. If not, I'll make due.

  14. #89
    Quote Originally Posted by OleBoy View Post
    Good morning, Milton

    I would be happy to work your engine graphics if you like. I hope the photo is physically larger. If not, I'll make due.
    Oleboy,

    The pictures I posted are original size. Once displayed, click to open.

    My effort is 838X838. Will be reduced to 512 when done.

    Thanks for giving it a go.
    Milton Shupe
    FS9/FSX Modeler Hack

    My Uploads at SOH - Here
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  15. #90
    Quote Originally Posted by Hurricane91 View Post
    Wow! That looks great. Silvery.
    Meanwhile, here is the Jacobs...

    Attachment 52755Attachment 52756

    Thanks H91, may have to use in a pinch.
    Milton Shupe
    FS9/FSX Modeler Hack

    My Uploads at SOH - Here
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  16. #91
    Real nice Milton.

    We all know finding cockpit refs on the 51 is a long shot. Was thinking maybe broadening the search to include the Avia 57 might help some? Granted it's probably more obscure than the 51 but being a trimotor also designed by Mr. Nebasar, it might have a similar layout.

    Moses

  17. #92
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    Milton,

    The progress on the Avia is astounding. Well done.

    If you need more pics of a 7 cyl radial would the Continental R-670 out of a Stearman do ?

    I can take some from the Stearman I fly.

    Pete.

  18. #93
    Charter Member 2012 nigel richards's Avatar
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    Quote Originally Posted by PeteHam View Post
    Milton,

    The progress on the Avia is astounding. Well done.

    If you need more pics of a 7 cyl radial would the Continental R-670 out of a Stearman do ?

    I can take some from the Stearman I fly.

    Pete.

    Beat me to it Pete. Good on ya mate!

    Do you mean Stearman as in 100% full blown Stearman? My all-time favourite aircraft.
    Swap you the sounds for a Stearman for a ride...??? (icon:ddown on his knees grovelling pathetically:icon)

    If so the Continental R-670 is almost a twin of the Avia.

    I'd say go for it and let Milton choose.




    Glad I have you for a buddy pete!

    edit: "Now let me see, where the heck did I put that brochure on touring New Zealand?"...
    Most men often say what they think!
    An honest man usually means what he says!
    A gentleman always says what he means!

    "Αίεν Υψικρατείν "

    A fool is not he who asks a simple question, but he who would simply have its asking denied. (Richards 2012)

  19. #94
    Milton, question. will the image that Hurricane posted work? That is what appears to be the RK-12 http://www.sim-outhouse.com/sohforum...064194&thumb=1

    I have a very large photo. I would need to do some extensive work, but considering the profile (real deal) it may be worth the effort? You would have to check mapping for your source (use) of course.

    I can send you the bigger image for testing?

  20. #95
    Quote Originally Posted by PeteHam View Post
    Milton,

    The progress on the Avia is astounding. Well done.

    If you need more pics of a 7 cyl radial would the Continental R-670 out of a Stearman do ?

    I can take some from the Stearman I fly.

    Pete.
    Hi Pete,

    That might work too. If you do this, try to get as straight on to the prop shaft as you can.

    Thanks
    Milton Shupe
    FS9/FSX Modeler Hack

    My Uploads at SOH - Here
    Video Tutorials - Gmax for Beginners

  21. #96
    Quote Originally Posted by Moses03 View Post
    Real nice Milton.

    We all know finding cockpit refs on the 51 is a long shot. Was thinking maybe broadening the search to include the Avia 57 might help some? Granted it's probably more obscure than the 51 but being a trimotor also designed by Mr. Nebasar, it might have a similar layout.

    Moses
    Thanks Moses; good point. Maybe we can find something there.
    Milton Shupe
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    My Uploads at SOH - Here
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  22. #97
    SOH-CM-2023 Hurricane91's Avatar
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    Quote Originally Posted by nigel richards View Post
    ...I found the two almost identical (sounds similar too).

    edit; even the dimensions are similar...copy perhaps?
    Could be Nigel. Even the bore and stroke are close.
    Where did you find the sound of an R 12?

  23. #98
    Quote Originally Posted by OleBoy View Post
    Milton, question. will the image that Hurricane posted work? That is what appears to be the RK-12 http://www.sim-outhouse.com/sohforum...064194&thumb=1

    I have a very large photo. I would need to do some extensive work, but considering the profile (real deal) it may be worth the effort? You would have to check mapping for your source (use) of course.

    I can send you the bigger image for testing?

    I agree. The only issue is that picture was taken above the centerline of the engine so it can't be used as is. Note how you see the top of the prop shaft, and that the lower cylinders look shorter than the upper ones.
    Now if you can use parts of the upper to make the others. But it is more complicated than that in that the center housing shows more on the top as well.

    It took me several trys to get a good cut of the R-17 to get a more balanced jug/housing ratio to do the texture I made.
    Milton Shupe
    FS9/FSX Modeler Hack

    My Uploads at SOH - Here
    Video Tutorials - Gmax for Beginners

  24. #99
    Understood. I have a good start. Cleaning it up first, then cut for balanced look.

  25. #100
    Not perfect yet. But would like opinion if it's usable.


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