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      Post #62565, posted on 04-11-2016 GMT-5 hours    
      Hello, this is my first topic here on Airlinercafe

      I do not think the Zvezda 777 kit needs a presentation, I believe there are already a few reviews/photos here and there on the net, anyway what a nice kit ! Imho it has almost everything, it is well molded, it is detailed, it looks very accurate, it fits beautifully, it even has a quite decent decal sheet, I only regret the lack of a basic cockpit and the extended LE/TE devices as seen on the A320/321 and Il-62 from the same brand, I like them dirty.

      Here we have the right original fuselage part and the left one cut to the correct size, I removed 10 windows in front and 9 windows behind the wing :



      The red rectangles represent the cut lines but they are barely visible due to bad lighting :



      The green rectangles represent the window patches I had to do to restore the window count which is different from that of the 777-300ER. The 5 windows to be puttied, on the right side (only 2 visible on the photo), are where the door 3L is located :




      Sections ready to be glued :



      Here is the right fuselage part, everything was shortened to the correct size and ideally matches its left counterpart. On the center fuselage section are the areas to be hollowed out, delimited with Tamiya masking tape, and on the 2 extra fuselage sections are the window patches to be saved, protected again with the tape :



      Here the areas have been cut out, the left hole is still not perfectly filed to the definitive shape while the right hole is ready to accept its window patch :



      Glued in place :



      The left hole/window patch was completed and all fuselage half parts were glued 3-4 weeks ago. Now the fun part is that 1 week ago I discovered that realistic windows were available from 3 different sources and of course I will be going that route. Next time I will certainly check the availability of these realistic windows before going into this window patch affair.

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      Holmes757


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      Post #62569, posted on 04-11-2016 GMT-5 hours    
      excellent work wow..... is the engine pylon on the 777-300 the same as the 777-200s.. I have a zvezda 777-300 kit.. Hoping to convert a 777-300 to a 777-200 Like what British Airways has...

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      Post #62570, posted on 04-11-2016 GMT-5 hours    
      Holmes757, thank you for your comment.

      777F, 300ER and 200LR are equipped with the same engine pylon. 777-200, 200ER and 300 have 3 different pylons specific to the 3 engine types.

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      Post #62572, posted on 04-11-2016 GMT-5 hours    
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      UpperDeck :
      Holmes757, thank you for your comment.

      777F, 300ER and 200LR are equipped with the same engine pylon. 777-200, 200ER and 300 have 3 different pylons specific to the 3 engine types.




      Any pics to support the info on the pylon?? I have a hard time finding them online.. i was googling the different plyon and engines since zvezda released the 777 but i haven't been successful in finding the different pics of pylon & engines

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      Post #62576, posted on 04-11-2016 GMT-5 hours    
      These were drawn using Boeing tech manual data and a bazillion photographs...


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      Post #62580, posted on 04-12-2016 GMT-5 hours    
      Thanks Jennings

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      Post #62581, posted on 04-12-2016 GMT-5 hours    
      Great drawings, thank you very much ! Some parts of the pylon, from extreme rear point to the exhaust cone end, look similar between the 3, but then from the exhaust cone end to the front it is really specific to each engine. Now Braz Models, hurry up, we need you, please !

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      Post #62634, posted on 04-14-2016 GMT-5 hours    
      The entire aft end of the pylon is identical, but the engine interface areas are completely different. That's part of the reason Boeing insisted on a common pylon interface from GE and RR for the 787.

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      Post #62649, posted on 04-15-2016 GMT-5 hours    
      The GE-90s used on the -200LR and -300ER are different than the one illustrated above. They are bigger and the shape is slightly different.

      Regards,

      ahmed

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      Post #62650, posted on 04-15-2016 GMT-5 hours    
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      aro757 :
      The GE-90s used on the -200LR and -300ER are different than the one illustrated above. They are bigger and the shape is slightly different.


      Yes, because the 300ER has the GE90-115B and the 200LR the GE90-110B. and on the -300ER the -115B are the only available engines

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      Post #62651, posted on 04-15-2016 GMT-5 hours    
      As the Zvezda/Revell 777 is the first (hopefully) decent 777 1:144 model,
      I so far never really cared for counting rivets on this jet.

      Now I do.

      I understood it in a way that the drawing provided by Jennings shows all three "early 777" engine types
      while the "new" 300ER, 200LR and 200F all share the same (at least identical looking) new GE90-1xx engines (and identical wing tips) as provided in the Zvezda kit.

      Is that correct?

      Or phrasing it the other way around:

      ANY 300ER, 200LR and 200F can be built out of the box except for fuselage shortening on the -200 LR/F?

      Cheers,
      Christian

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      Post #62653, posted on 04-15-2016 GMT-5 hours    
      Quote
      lichtjahre :


      ANY 300ER, 200LR and 200F can be built out of the box except for fuselage shortening on the -200 LR/F?

      Cheers,
      Christian



      You also need to remove the raked wingtips on the -300ER wings for the -200F and -200LR versions.

      Al

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      Post #62654, posted on 04-15-2016 GMT-5 hours    
      Quote
      Exile :

      You also need to remove the raked wingtips on the -300ER wings for the -200F and -200LR versions.



      Sorry Exile, but I am not so sure about that. See for yourself.

      777-200LR

      777-200F

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      Post #62655, posted on 04-15-2016 GMT-5 hours    
      Indeed, I also fear that is NOT correct:
      Jennings wrote in another post on 777 conversion:

      For a -200LR conversion:
      remove 10 frames fwd and 10 frames aft
      remove the tail bumper

      For a -200ER conversion:
      different engine nacelles (see Jennings image further up this post)
      lose the raked wing tip extensions

      That summarized a -200LR and 200F seem to be simply a shortened, tail bumper removed Zvezda kit.

      Or?

      Cheers,
      Christian

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      Post #62656, posted on 04-15-2016 GMT-5 hours    
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      lichtjahre :
      Indeed, I also fear that is NOT correct:
      Jennings wrote in another post on 777 conversion:

      For a -200LR conversion:
      remove 10 frames fwd and 10 frames aft
      remove the tail bumper

      For a -200ER conversion:
      different engine nacelles (see Jennings image further up this post)
      lose the raked wing tip extensions

      That summarized a -200LR and 200F seem to be simply a shortened, tail bumper removed Zvezda kit.

      Or?

      Cheers,
      Christian



      Christian,

      Your last sentence is correct but the shortening from 300ER to 200/200ER/F/200LR is not 10 frames fwd/10 frames aft but 10 fwd/9 aft. Besides, the 300ER main gear is semi-levered and incorporates an actuator that joins the main strut to the front of the bogie and freezes their position during take off (left free during landing), allowing for a slightly higher rotation angle and/or more clearance at the tail. This actuator is only present on the 300ER & needs to be cut off for all other 777 versions.

      That is why the 200LR and F conversions are so easy, just reduce the fuselage 10 fwd/9 aft, cut off the tail bumper and main gear actuator, block the pax windows on the F, the rest is identical.

      Then, from a 200LR, cut off the raked wing tips and hang Braz's to be released early engine and you have a 200/200ER.

      Really loving this Zvezda kit.

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      Post #62657, posted on 04-15-2016 GMT-5 hours    
      Thank you so much for that great summary and clarification!

      I think I will start with the

      200LR Air India (26 Decals)
      200F Lufthansa Cargo (Draw Decals)

      Cheers,

      Christian

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      Post #62659, posted on 04-15-2016 GMT-5 hours    
      Quote


      Besides, the 300ER main gear is semi-levered and an actuator that joins the main strut to the front of the bogie and freezes their position during take off (left free during landing), allowing for a slightly higher rotation angle and/or more clearance at the tail.



      Is this really true? Wouldn't it mean a lot of stress to the main gear, as the whole weight is only on the rear wheels for the last few seconds before the gear leaves the ground?

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      Post #62660, posted on 04-15-2016 GMT-5 hours    
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      747-400 :
      Is this really true? Wouldn't it mean a lot of stress to the main gear, as the whole weight is only on the rear wheels for the last few seconds before the gear leaves the ground?



      Hello 747-400, freakingly nice username, I might fall in love with you just because of that !

      When this system was released, I had the same reaction, lots of stress on the rear wheels but I came across an interesting read that during the take off, at a certain speed, the wing is starting to develop lift and is easing the landing gear with a percentage of the weight, so during the very rotation, the weight applied to the 2 aft wheels of both main gears is not approx 350'000kg but a fraction of this. It is actually a simpler system than what they did on the 767-400ER which had the same rotation angle and/or tail clearance issues because of the longer rear fuselage, which lead to a higher and beefier redesigned main gear with a bigger main gear spacing, also implying redesigned wing gear bays and mounting trunnions. That seems much more complicated and costly than on the 777-300ER.

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      Post #62669, posted on 04-15-2016 GMT-5 hours    
      Quote
      FokkerFan :
      Quote
      Exile :

      You also need to remove the raked wingtips on the -300ER wings for the -200F and -200LR versions.



      Sorry Exile, but I am not so sure about that. See for yourself.

      777-200LR

      777-200F



      Sorry about that. I was thinking of the standard -200.

      Al

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      Post #62675, posted on 04-15-2016 GMT-5 hours    
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      UpperDeck :Your last sentence is correct but the shortening from 300ER to 200/200ER/F/200LR is not 10 frames fwd/10 frames aft but 10 fwd/9 aft.



      And yet, this is directly out of the Boeing 777 Airplane Recovery Document (official, published by Boeing)!!! If you dig further (which I obviously didn't do when I made that post), the station diagrams contained in the same document clearly show NINE new frames aft and ten forward.

      Even Boeing is not infallible, even in its own technical documents. This is also a prime example of why we do NOT use manufacturer general arrangement drawings to produce model kits. Even Doyusha's effort is better than this monstrosity!

      To quote Ronny Raygun: trust but verify.


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      Post #62676, posted on 04-15-2016 GMT-5 hours    
      Here's a complete 777 engine family comparison, drawn to scale. At a glance it can be difficult to tell one from the other on the aircraft, without having something to compare to.


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      Post #62678, posted on 04-15-2016 GMT-5 hours    
      Quote
      Jennings :
      Here's a complete 777 engine family comparison, drawn to scale. At a glance it can be difficult to tell one from the other on the aircraft, without having something to compare to.



      Amazing set of drawings, THANK YOU ! It confirms what I suspected viewing dozens of photos : everything aft the thrust reverser aft edge looks identical between both GE90-80/90 and GE90-110/115, exhaust cone and aft pylon. Once again, thank you for these great drawings.

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      Post #62680, posted on 04-15-2016 GMT-5 hours    
      You're very welcome. The basic core engine is the same on all of the GE90s fitted to 777s. The -110 variant has a bigger fan, and thus a bigger fan cowling (bigger than a 737 fuselage!!), but the basic engine is essentially the same externally, so the hot section cowling is the same externally as well.



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      Post #62720, posted on 04-18-2016 GMT-5 hours    
      About the actuator at the gear, that has to be removed, can anyone give me a drawing?
      That would be great.
      Thank you!

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      Post #62721, posted on 04-18-2016 GMT-5 hours    
      Quote
      Berlin_Uwe :
      can anyone give me a drawing?



      Hi Berlin_Uwe, the part that needs to be removed is shown in the red rectangle B773er.

      Actuator in steel colour visible here as well.

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      Post #62722, posted on 04-18-2016 GMT-5 hours    
      2 great shots from the same angle.

      777-200ER, on the front of the gear, right side of the photo, joining the main strut to the front of the bogie is an articulated structure which only serves to hold tidily the electrical lines in place.

      777-300ER, same place the bogie actuator takes place and the forward electrical lines are routed aft.

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      Post #62723, posted on 04-18-2016 GMT-5 hours    
      Here is a much better photo showing the kit main gear, the approx 50 angled part needs to be removed.

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      Post #62766, posted on 04-20-2016 GMT-5 hours    
      Thank you all.
      :-)

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      Post #70882, posted on 10-25-2018 GMT-5 hours    
      Quote
      Jennings :
      Here's a complete 777 engine family comparison, drawn to scale. At a glance it can be difficult to tell one from the other on the aircraft, without having something to compare to.





      Hi Jennings,

      For some reason I cannot view the drawings you posted of the 777 Engines family. Any chance that you can email them to me at: mark_mckinnis@yahoo.com ?

      I am going to attempt to freshen up my 777 fleet using the Zvezda kit as a place to start.

      Thanks,

      Mark

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      Post #70885, posted on 10-25-2018 GMT-5 hours    
      I think that was originally hosted on the belly up Postimg site.


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      Post #70888, posted on 10-25-2018 GMT-5 hours    
      Cool! That worked. Many thanks. So while I have you on this subject:

      BraZ does a RR 800. Would that also work for the RR 895 found on the 777-200ER and the RR 892 on the 777-300? He also does PW 4090 which appears to work for the PW 4098. So from the modelers perspective these are the 4 flavors of engines seen on the various 777 aircraft. Is that correct?

      Thanks again!!!!


      Mark

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      Post #70889, posted on 10-25-2018 GMT-5 hours    
      Those engines are all identical externally. The GE is the only one that differs, and then only between the 80/90 and the -110 series with the bigger fan.

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      Post #70890, posted on 10-26-2018 GMT-5 hours    
      Thanks Jennings!