Boeing 777-300ER scale model - RC Groups
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Apr 14, 2013, 01:28 AM
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Boeing 777-300ER scale model


hello guys.

i am planning to build B777-300ER i wonder if my scale is to large or to small?
my scale is 1:38 with wing span of 6 feet

happy flying!
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Apr 14, 2013, 01:51 AM
Up-Out-&-Gone
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Quote:
Originally Posted by SpaceAviation
hello guys.

i am planning to build B777-300ER i wonder if my scale is to large or to small?
my scale is 1:38 with wing span of 6 feet

happy flying!
72" wingspan is PLENTY-Big, if this will be your 1st airliner Sir.
Apr 14, 2013, 01:56 AM
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this is my first build so what do you suggest for a first build.. scale of what?
Apr 14, 2013, 02:04 AM
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Quote:
Originally Posted by SpaceAviation
this is my first build so what do you suggest for a first build.. scale of what?
I would say a 72 inch 777 wouldbearound 1/30th to 1/28th scale, or possibly the scale you chose is correct.
Apr 14, 2013, 02:19 AM
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do you suggest to scale it down or just the 72 inch wingspan?
Apr 14, 2013, 03:17 AM
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Quote:
Originally Posted by demondriver
I would say a 72 inch 777 wouldbearound 1/30th to 1/28th scale, or possibly the scale you chose is correct.
A 72" B777-300ER would be slightly smaller than 1/35 scale.
Sounds like a great size to me!
Last edited by abroadhurst94; Apr 14, 2013 at 05:06 AM.
Apr 14, 2013, 04:56 AM
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the wing span of Boeing 777-300ER is 64.80 meters so if it scaled down to 1/38 scale it will be 67 inch the remaining 5 inches is for the raked wingtip.
Apr 14, 2013, 06:01 AM
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maybe will change my scale down to 1:45 because C/S 90mm 12 blade of hobbyking are sold out so i will scale down to 1:45 to make it 70mm i will use C/S 70mm 10 blade of hobbyking beacuse it is half the price of 90mm and it is because all dimension of the B777-300ER including the airfoils of the main wing,elevator and the rudder it is most likely to b exact like the real B777 i pay attention to the details including the undercarriage the flaps the nacelle and pylons. so it will be a long project.. i will only aim to this aircraft becaus this is my favorite commercial airplane and i fly with it most often.. i will build it first in wood just a prototype and most likley exact scale of the dimension of the real aircraft and including the details..

this project may take me 1 year because i'm also a student =)

do you suggest something or what?

happy flying!
Apr 14, 2013, 03:30 PM
KFC
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I would say plan for a size you can manage. Think about things like batteries, transportation, the size of the area you will be flying it at, storage, the amount of space you will need to build it in, cost of materials, etc. Big is impressive, but it gets expensive quick and it can be difficult to manage.
Apr 14, 2013, 08:24 PM
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i can manage the size of 1/45 scale. yea i'm thinking of about the electronics ...a 65 inches long b777 is good for me and i can manage altho i have a minimum amount of space to build in and storage .. i really think all of that KFC1 =) originaly my scale is 1/35 or 1/38 because my list of electronis quite expensive for me like CS 90mm and the ESCs so i scaled it down to 1/45 adn i will use CS70mm so that i can manage, it is a good size for me not quite big and not quite small. and i'm thinking about the Philippines airlines livery
Apr 14, 2013, 08:27 PM
KFC
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Sounds like a good plan to me!
Apr 14, 2013, 10:45 PM
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Philippine Airlines livery
Apr 14, 2013, 10:52 PM
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Quote:
Originally Posted by SpaceAviation
i can manage the size of 1/45 scale. yea i'm thinking of about the electronics ...a 65 inches long b777 is good for me and i can manage altho i have a minimum amount of space to build in and storage .. i really think all of that KFC1 =) originaly my scale is 1/35 or 1/38 because my list of electronis quite expensive for me like CS 90mm and the ESCs so i scaled it down to 1/45 adn i will use CS70mm so that i can manage, it is a good size for me not quite big and not quite small. and i'm thinking about the Philippines airlines livery
you can make a start from the size of the engine with the installation space. 70mm edf + some space for support = about 80mm, real engine diameter (http://www.boeing.com/assets/pdf/com...s/777rsec2.pdf page 10) divided by 80mm will give you the scale
Apr 14, 2013, 10:59 PM
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so you are trying to say that the main engine of the real B777 (3.96meters including the cowling or case) must scale into 80mm so the installation space is included? so if my edf is 70mm plus 10mm is equal to the total diameter of the main enging encluding the cowling must scalled to the real B777 dimensions or other way around?
Apr 14, 2013, 11:01 PM
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the scale is 1:45 or 1:50


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