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Old May 28, 2016, 01:58 AM
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Shavrov Sh-2

Have any of you guys actually built and flown one of these?


.
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Old May 28, 2016, 01:25 PM
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Nope but its been re created as a private Ultralight........its got quite a history in Russia and Ive got three views.. I think there's a plan for one out there .. its almost certainly been built as a free flight in the past...Ive looked I have it I think- its a cox semi scale powered version.
PM me and I can send you a scan of the build article.. 34" span theres also a 60" 25 glow powered plan out there.

http://www.seawings.co.uk/ShavrovSh-2Plansgal.htm

http://www.rcgroups.com/forums/showthread.php?t=558887

http://www.rcgroups.com/forums/showthread.php?t=2456854
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Old May 28, 2016, 01:36 PM
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Thanks for the links ... the hull sections are particularly useful.

I have the free plan that was published a while back (as shown in one of the links you provided) ... it's for a 60" version, but can obviously be scaled.

Am toying with the idea, at the moment. Can't decide whether to build this, or a Seamaster.

Will be my first dedicated seaplane, though I am an experienced and competent flyer.
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Old May 28, 2016, 02:07 PM
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I would try one of these as an electric its not going to be aerobatic like a seamaster but its going to be a lot more satisfying to own and watch flying round.
I would like to see that 60 inch version plan ..its going to be very stable in the air as its a parasol wing.. and looks generally well proportioned the rudder reminds me of a De havilland.
Some versions had an enclosed cockpit. I say that as the limiting factor might be the freeboard in choppy water.
How big are you thinking? what power?
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Old May 28, 2016, 03:19 PM
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Well, as it happens, I have two copies. So, if you want one, PM with your address.

They are old, of course, but quite good enough for building.

The 60" is supposed to fly on a .25 or .20 two-stroke. I was planning on using a .40 two-stroke, and scaling the model appropriately. I think it would be OK at 2m ... there's a lot of wing, in proportion to the fuselage.
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Old May 30, 2016, 01:23 PM
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Hi Bogbeagle I found a video one of the wasserflug ones but it features a S2 4:22 in but then my computer hung and I lost the link..Im laid up at the moment.
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Old Jun 01, 2016, 12:23 AM
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Hi beagle,
I looked at building one of these a while ago. I got to the stage of completing a 3d model in rhino based on the 3 views linked above.

Ive been diverted with numerous projects since then but still plan to come back to it.
If the model would be of any use to you i could hunt it out.
Id love to see a decent sized build done and if you came out with a design it would be top of my list after completing current builds.

Mat
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Old Jun 01, 2016, 05:39 AM
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I'm sure that people would like to see your 3-d model; I certainly would.

I think that it's a model which I will visit at some time. Aside from the narrow track of the undercarriage, it has a nice set of features for a model.

If I were to build one, I would use the free plan as the basis. Flaps would be nice, though.


Do you know how I might get the plan into a digital format, so that it could go online?
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Old Jun 01, 2016, 11:50 AM
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Hi Bogbeagle do you have a scanner ... scan it in slightly overlapping tiles at 300-400 dpi level it can then be stitched together and cleaned up as a single PDF by someone using GIMP or Photoshop etc. It will probably be covered in 16 scans work across the plan in bands.

It might help keep it scaled and proportioned if you can add some Pencil scale bars on each edge of the plan.

fly's lovely this sits a bit low in the water but bigger should give better displacement.
Reginas Shavrov (3 min 53 sec)


Reginas Shavrov Meidelstetten Com 01 (4 min 20 sec)


But thats scale
Ш-2 в Геленджике.avi (2 min 18 sec)
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Old Jun 01, 2016, 12:06 PM
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Ш-2 (6 min 10 sec)


Šavrov Š-2 zálet (8 min 14 sec)
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Old Jun 01, 2016, 12:10 PM
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Shavrov Sh-2 (0 min 59 sec)
historic translated
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Old Jun 02, 2016, 03:45 AM
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OK , I have done the scanning.

There are 16 tiles, all told..... 8 tiles for each side of the plan.

I have no idea how to stitch them together, though.
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Old Jun 02, 2016, 10:40 AM
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Well as long as the scans overlap a bit It should be possible to put them together .......did you scan them a jpg files? I should have checked to see if it was better to use Coulor/ grey scale or B&W .I used mostly the second for detail scans.
I did get adept at it a few years back but I don't know if my current system/software will allow me to, or I can remember how but we may find someone more currently adept. Wormboy, Bart83, Planeman ruffus ?

How big are the files
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Old Jun 02, 2016, 11:35 AM
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They are jpg, and each is about 500kb.



an example .... if you open it in a new tab, it is quite good quality
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Old Jun 02, 2016, 05:07 PM
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you can load them as is - but try turning them before you load or just upload them as a couple of zip files one for each side if you want it to go quicker..
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