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Seagull Extra 260 1.80 Gas Engine

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Old 07-31-2009, 02:10 PM
  #1
Gray Goose
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Default Seagull Extra 260 1.80 Gas Engine

I have been following the strings abut still have no difinitive answer for the best 3D hover gas Motor for this plane. I want to purchase one but the Motor/ 3d Performance mystery still looms. Leaning toward the MLD 28, thought the Evolution 26-GX would be good but I read the MLD would be better. Lets Go Guys and settle this.
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Old 07-31-2009, 02:18 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

Have you looked at this thread.

http://www.rcuniverse.com/forum/m_73..._1/key_/tm.htm
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Old 07-31-2009, 03:00 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

Yes, Still no definite mention of the best 3D combo. I will guess its piolets choice. I just want to hang on the prop like my 3d Eratics
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Old 07-31-2009, 08:42 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

I'm about to build one with a pumped O.S. 1.60. I'll let you know how it works.
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Old 08-01-2009, 09:29 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

The new DLE 30cc will be out shortly... 2.3 lbs just under 4HP

Performance:
3.7HP/8500rpm
Idle Speed: 1600rpm/min.
8.5KG Pulling Force/ 100 meters Altitude ( All Most 19Lbs)
7.5KG Pulling Force/1800 meters Altitude
Propeller: 18X8 18X10 20X8
Type of sparkplug: NGK CM6


Exhaust Amount: 30.5cm3
Diameterx stroke:36mm*30mm
Ratio of compression: 7.6:1
Ratio of lubricating capacity: 32:1
Weight: Main engine-910g. Exhaust Pipe-60g
Ignition 120g ( TOTAL 2.3lbs)

Valley View R/C will have them shortly... Walt
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Old 08-01-2009, 11:28 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

Walt/Sage,
Thanks for the info. Do you think this will be a good 3D fit for the Seagull Extra 260..1.80 version. Specks seem awsome, I know very little about this motor is it as good in quality as the MDL.
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Old 08-02-2009, 09:04 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

Hi Goose,
If your plane is 25% , the motor was designed for that..
If it has the same quality as the DL50, 55. 100 and the 111 you will be pleased....
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Old 08-02-2009, 09:05 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

SYSSA 1.80 HP would be my choice.
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Old 08-02-2009, 07:39 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

I cannot comment on the MLD 28 or 26 GX but I had this plane with an SPE 40 and it I thought the 40 was a great combo. I friend of mine has a DZY 26 in his Seagull Extra 1.80 which flys it just O/K - but definatly NOT 3D stuff. Given a choice - I would upsize to a 40 and be done with it.
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Old 08-03-2009, 10:47 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

Purchased the DLE-30 today think the weight to hp ratio will do the job
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Old 08-04-2009, 08:49 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

I'm currently working on one, i plane on putting crrc 40cc,

my friend is flying his with RCS 26cc, it has sport performance, it fly great.
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Old 08-04-2009, 09:29 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

SRimer,

Lets us know how that CRRC 40 works out. Might do that instead of an OS 1.60. If you could, post some pics of the motor and cowl after install.

Thanks
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Old 08-12-2009, 11:03 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

SRimer,

How is that CRRC 40cc install going???

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Old 08-26-2009, 07:12 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine



Hi,
I was interested in buying the seagull extra 260 180 size, and wanted to put a gasoline engine in also.. I have a few quetions if you dont mind. I see you said you bought the new dle30. I looked up the instructions for the plane but they did not give any infofor a gasoline engine. Could you tell me exactly how you did this. was it off center, did the firewall already have right thrust etc. also how is the preformance with the dle30. Thanks for your time!

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Old 08-27-2009, 12:16 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

.
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Old 10-17-2009, 10:54 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

How has the DLE 30 worked for this plane? What prop are you using? Thanks
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Old 10-24-2009, 05:49 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

YA, I like to know too
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Old 10-24-2009, 10:39 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine


Quote:
ORIGINAL: helodrvr

SRimer,

Lets us know how that CRRC 40 works out. Might do that instead of an OS 1.60. If you could, post some pics of the motor and cowl after install.

Thanks
besides fuel cost the OS 160 will outperform this 40 anyday. Its lighter and just flies better. there are some good torque imrovements on the gasser, down low. If you like to hover and give up other character,buy the gasser. Overall the OS is the winner INMO.
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Old 11-15-2009, 08:56 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

How has the crrc 40 worked on this plane? Any pictures?
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Old 11-23-2009, 10:51 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

ya how was everything[]
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Old 12-05-2009, 08:08 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

have you considered one of the supertigre gas conversions? i have a ST3000 that was converted to gas (electronic ignition) that i will be putting in mine. weighs the same as the glow engine basically, and with the smaller fuel tank it evens out the weight of carrying the ignition battery.
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Old 05-04-2010, 08:02 PM
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Default RE: Seagull Extra 260 1.80 Gas Engine

hi guys just put one together, i have a brand spanking new st 3000 just in the process of running it in, (10% dynaglo and a graupner g-sonic 20-10 prop, its showing promis at 6200 rpm which is in my opinion just right for the prop etc) this is not a gas convertion and it rand for ages on just one tank which surprised me as i would of though it would be like my moki 2.10 and drink fule like it was going to die tomorrow lol but it lasted a good 20 mins on a 600 cc tank were as the moki would drink that in 10,
 however for 3d performance i reckon this is the crown jewl, im not the biggest fan of st but it sure as hell would take off vertical and from the point of veiw this is the first time its had fule through it i was impressed and still thinking it can only get better with some more runs.


i do however need to no if anyone had problems with tail servo instalation and weather anyone has hovered this so i can get an idea of how she behaves on an average basis =]

holla back peeps
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Old 05-05-2010, 10:29 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

I have this plane with an OS160 and power is not an issue, it does very well. Will hover all day and pull out whenever you want. If I was to do it again I would try the DLE 30 just to see the difference. I am very impressed with the DLE engine. I have a DLE55 in my Aeroworks YAK and it will yank that plane all over the sky.
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Old 09-29-2010, 07:30 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

i have the same problem!!!!!!!! i think im going with the DLE 30 it is the exact same weight as the evalution 26 i have.
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Old 02-16-2012, 07:06 AM
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Default RE: Seagull Extra 260 1.80 Gas Engine

I just recentley got a seagull extra 260 180 size and am putting a DLE 30 on it. I was wondering how you measure where to put the stand offs on the firewall. I bought a drill jig for the stand offs but I don't know how far to offset the stand offs to acheive some right thrust. On my great planes cap 232 there are lines to show you where to mount it at. I've looked at the manual and there is nothing in the manual that says where to mount it at. Any help would be greatly appreciated
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