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RE: Seagull Edge 540 - 68 - 3/4/2010 8:40 PM   
mattyhawk


 

Posts: 27
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Joined: 3/24/2009
Last Login: 2/9/2012
From: Oxnard, CA, USA
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quote:

ORIGINAL: Thays

I bought this Edge 540 68'' (60 - 90) went to purchase the evolution 1.00 and its discontinued... well i bought an RCGF 20cc 2.2lbs Gas engine and want to install it. I wrote an email for advice to horizone hobby on what i should do to install as in cutting a hole in the firewall for the carb to move the cg's back a little. They said ''We do not advise you to install the Gas Engine'' no explanation as to why. Now can anybody tell me why i cant install this engine? Can I cut hole to fit the carb in behind the firewall? Iam used to spad's and am new to balsa....I can really use some expert advise right now.


hey,

welcome, here is what I think. I think they are thinking that if you have to modify the firewall to install the engine, you are on your own and they will not be held liable for damage incurred by you doing so.

My advise is to go and install it, as I have, but do not cut into the firewall to mount the motor unless you have to. Gas engines produce alot of vibration, and you do not want to reduce the strength of the firewall in a plane that was not originally designed for it. Instead, move the batteries, gas tank, and anything else to change CG. Then spend time beefing up the motor box with some wood glue and maybe pinning the box too. If you do cut it, glue in some support around the inside of the box around the cut hole.

If this is your first gasser, read this page, it will help you set up the plane.
http://www.camarilloflyingcircus.com/2010/02/03/beginners-guide-to-gas-engines/

also, I have been flying mine for 2 months on gas, so I would be happy to answer your questions.

Matt

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RE: Seagull Edge 540 - 68 - 3/4/2010 10:01 PM   
wpmcnamara


 

Posts: 272
Score: 110
Joined: 2/12/2009
Last Login: 5/19/2013
From: The Colony, TX, USA
Status: offline 		Having stripped the airframe down, I can say that it is likely due to weight. The nose of the plane, really from the landing gear forward is not build to support the weight of a gas engine. I am in the process of putting a 26GX on one and you can see what I did to strengthen a rebuild the firewall is this and the following posts: http://www.rcuniverse.com/forum/fb.asp?m=9383266

Also, if you are used to spads, this airframe, with a gas engine is going to be a real handful for you. It will be in the 30+ oz/sqft wing loading range and will not be a forgiving floater.



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RE: Seagull Edge 540 - 68 - 5/4/2010 2:05 AM   
bboykin


 

Posts: 218
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From: hermitage, AR, USA
Status: offline 		need to know about new 2V ersion have new one to assemble with 90 ST with standard servos. will have to move motor mount to 3 o,clock to the side to get pittes muffler out the bottom. all help will be appreciated.

bcb

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RE: Seagull Edge 540 - 68 - 5/4/2010 3:08 AM   
mattyhawk


 

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From: Oxnard, CA, USA
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quote:

ORIGINAL: bboykin

need to know about new 2V ersion have new one to assemble with 90 ST with standard servos. will have to move motor mount to 3 o,clock to the side to get pittes muffler out the bottom. all help will be appreciated.

bcb


anything in particular about mounting the engine sideway you need help with? Rotating it to 3 o'clock is fairly straight forward, you just need to make sure the mount is square, drill new holes in the firewall and mount it. No worries bro!

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RE: Seagull Edge 540 - 68 - 9/19/2010 12:45 AM   
matador_24


 

Posts: 843
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From: montreal, QC, CANADA
Status: offline 		I have this plane with an OS 91FX.....
I want to install the new DLE 20.....

I am very excited about the idea... I feel the OS 91FX is underpowered for this plane but I still like it, the DLE 20CC should be comparable with an Saito 125!

what do you guys think?????

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RE: Seagull Edge 540 - 68 - 9/19/2010 1:16 AM   
mattyhawk


 

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From: Oxnard, CA, USA
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quote:

ORIGINAL: matador_24

I have this plane with an OS 91FX.....
I want to install the new DLE 20.....

I am very excited about the idea... I feel the OS 91FX is underpowered for this plane but I still like it, the DLE 20CC should be comparable with an Saito 125!

what do you guys think?????


I would highly suggest you shouldn't. The plane will pickup about 1/2 - 1 lb in weight. I had a 26cc in mine, came in at 10.2 lbs, flew like a brick, and would hover at bit over 3/4 throttle with a 16x8 APC.

Get a larger 4S or go electric. You could probably get in around 9 lbs and you could do it on 6S only (though 8S would be better, but more expensive).

Good luck!

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RE: Seagull Edge 540 - 68 - 9/20/2010 4:41 AM   
smh20502


 

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From: Katy, TX, USA
Status: offline 		Thays

there is no reason you can't do this...look through the threads and you'll see that its been done.

There is a guy at my field that put a gas engine is his and it flies nice, no 3D bird but seemed to track well, do knife edges, aileron rolls beautifully. The only issue is the weight.



as to going electric on this...6S will be fine, just need to have the right ESC/motor/battery combo. I'd look at going for a 2KW setup for this plane... Actually there are a couple people that have done it here...look through the thread, you'll see it.

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RE: Seagull Edge 540 - 68 - 9/20/2010 7:32 AM   
matador_24


 

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From: montreal, QC, CANADA
Status: offline 		Hello....

but why 1/2lbs to 1lb in weight????
The os 91fx that I am using is about 20oz (or more with muffler) and the DLE 20cc is suppose to be only 29oz.
I must say that I put some weight in the nose of my plane and it still flies very good.... I guess that it shouldn't be that bad then?????

I am using the standard fuel tank that came with the kit..... would I have to change the fuel tank as well by another of more/less capacity????

thanks...

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RE: Seagull Edge 540 - 68 - 5/1/2012 12:47 PM   
rwijnhov


 

Posts: 71
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From: , NETHERLANDS
Status: offline 		what is the better plane for a satio 115 the edge or the extra 260?

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RE: Seagull Edge 540 - 68 - 6/4/2012 5:17 PM   
smh20502


 

Posts: 195
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From: Katy, TX, USA
Status: offline 		Go with which plane you like better. Both are great planes that will serve you well but each plane has its own flying characteristics. The wings, for example, the edge 540 wing is a straight leading edge...the entire wing flies at once. On the Extra you have a tapered leading edge...the inner wing area flies first.


If you're referring to the Seagull Extra 260, I believe that's a 180 size plane about 13lbs. They have a .75 one that is about 7lbs but I believe that engine is too large.


Just looked at Horizon Hobbies- they carry the extra 260...better call Seagull to see if you can still get parts for this. Yes, your engine will work here. I don't know if it will be good for 3D on the extra as it's slightly heaver than the Edge.



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RE: Seagull Edge 540 - 68 - 6/5/2012 12:01 AM   
RCVFR


 

Posts: 1995
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From: Keller, TX, USA
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quote:

ORIGINAL: smh20502

Go with which plane you like better. Both are great planes that will serve you well but each plane has its own flying characteristics. The wings, for example, the edge 540 wing is a straight leading edge...the entire wing flies at once. On the Extra you have a tapered leading edge...the inner wing area flies first.



That's a unique assessment of the wings. Despite the taper of the leading and trailing edges, the center of lift on the Extra wing at the root and at the tip, are essentially "straight" as to relationship from the fuse. The Edge 540, however has the center of lift at the tip forward of the center of lift at the root, thus is "swept forward" aerodynamically, even though the leading edge is straight.

I am unfamiliar with the concept that "the inner wing area flies first".



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All Forums >> RC Airplanes >> ARF or RTF >> RE: Seagull Edge 540 - 68
Page: <<   < prev  29 30 31 32 33 34 35 36 37 [38]





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