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3D Flying Discuss everything related to "3D" flying including construction, power setups and flying techniques

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Old 01-30-2017, 09:30 AM   #1
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Default EF Extra 300 possible conversion

I have the 58" Extra from EF as many know and at present it has a 90 4 stroker up front ... which hauls her round no problem.

But lately after flying the Zlin with E-Power up front - has me thinking to swap out the 4 stroker and put electric in her.

I would use the same as the Zlin ... Turnigy 5055 400KV with 6S pack ... on a 15" prop.

That would tend to consolidate on what I have without increasing my range of inventory.

I have a new untouched cowl - so that's ready to go on. Would mean cutting out the fuel engine mount and fitting suitable standoff's for E-power ...

mmmmmmm interesting .............



As you see - she has a problem of still rolling when Idle ... so E-Power would cure that.
The 4 stroker can then go in my biplane if needed or my other Zlin.

Nigel

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Old 02-01-2017, 08:01 PM   #2
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I think you will like it. Acceleration and speed improvement very noticable. I have the newer 60 incher.
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Old 02-02-2017, 07:39 AM   #3
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I'll be honest - I don't like the model having bought it second-hand from a guy who thought he could fly ! It had minor repairs and a gutless engine in it.

It crashed due to his poor hinges one day --- that'll teach me to trust other guys work ! And needed major rebuild.

But flying the E powered Zlin is a dream .... OK no engine sound which I miss .... but nice.

I've ordered the 5055 and ESC ....

I have wood etc. to build a motor box.

Cheers
Nigel

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Old 02-05-2017, 08:25 PM   #4
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I have a Fly Zone 300, and although I have tried hard to like it, I just can't get there. Just feels awkward and heavy in the air like it would rather fall than fly. They market it as a 3D plane but I certainly don't see it. Very stall prone IMO

My biggest fear is that when I die my wife will sell my planes for what I told her I paid for them
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Old 02-05-2017, 09:39 PM   #5
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The EF EXtra 300 is a good model - but mine was jinxed from day one !!

Nigel

222kph PKJ,EDF Concorde, Mini4,Mig3,T45,PKJ twin,ME109,Edge540,Cessna182,Skymaster Biplane,F15,F16,Badius,Ultimate,SE5,Qbee10,450 Heli,V911,J3 Cub Founder 9x forum: http://groups.yahoo.com/group/Flysky_RC_radio/
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Old 02-05-2017, 09:51 PM   #6
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I'm taking a serious look at the 48" EF edge 540 for my first balsa plane.
Any opinions?

http://extremeflightrc.com/48-Edge-5...ack_p_288.html

My biggest fear is that when I die my wife will sell my planes for what I told her I paid for them
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Old 02-05-2017, 10:01 PM   #7
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Seriously .... dunno ...

What I will say based on mine and others I fly with :

EF make good aircraft but a little heavier than say Precision Aerobatics. They 3D well but need that bit more grunt. PA are fragile where EF are that bit stronger.

Nigel

222kph PKJ,EDF Concorde, Mini4,Mig3,T45,PKJ twin,ME109,Edge540,Cessna182,Skymaster Biplane,F15,F16,Badius,Ultimate,SE5,Qbee10,450 Heli,V911,J3 Cub Founder 9x forum: http://groups.yahoo.com/group/Flysky_RC_radio/
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Old 02-05-2017, 10:06 PM   #8
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Was hell bent on an addiction. Then I heard that they aren't that tough, support is lacking, and they aren't an easy build. Great flyers, but everything else I don't like. I'm selfish and just in this for the fun

My biggest fear is that when I die my wife will sell my planes for what I told her I paid for them
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Old 02-06-2017, 02:30 AM   #9
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Originally Posted by Vic Z View Post
I'm taking a serious look at the 48" EF edge 540 for my first balsa plane.
Any opinions?

http://extremeflightrc.com/48-Edge-5...ack_p_288.html
I am building one as we speak. You can't go wrong with this model. EF has quite a few generations of 3D balsa and testing that have gone into these EXP series models. Longerons are carbon fiber tubing in this model. They REALLY beefed up the landing gear plate. And, AND it feels light as a feather. Amazing bird. While I havent flown this specific model I own 6 other Extremeflight/3DHS 44" to 60" models and can assure you it performs exactly as advertised. Suggested power system will be ballistic. Servos are inexpensive. One item you should get with the plane is the suggested spinner. These are high quality spinners, for cheap and they fit in the shipping box.




One thing I like to do, certainly not required, is to replace the CA hinges with Dubro nylon hinges, epoxied in. They offer zero resistance and are way less prone to failure. I also run a slightly stronger HS-70MG on the elevator. ZTW Mantis 65A and 80A ESC's (get the 80, same weight) offer a programmable 6 volt BEC. In this application, you will want the suggested Hitec servos to be running at this, maximum voltage.



Pretty proud of the hinge line That sucker swings 80 degrees either way!

I don't have a short temper. I just have a quick reaction to B.S.
Rob
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Old 02-06-2017, 03:18 AM   #10
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If you really want to go bananas, throw a set of these in there with a 7.4v BEC. I have them in my 47" extra and all I can say is WOW. 49 oz-in of torque and 0.05sec to 60 degrees. I just couldn't ignore the Hitec servos I had sitting on the bench for this build.

http://www.banggood.com/KST-DS215MG-...l?rmmds=search

I don't have a short temper. I just have a quick reaction to B.S.
Rob
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Old 02-06-2017, 05:51 AM   #11
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It's between the eflite edge and this guy.

http://www.valuehobby.com/51in-sabre-x-arf.html

Having a tough time deciding.

Sorry for the hijack Nigel

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Old 02-06-2017, 06:16 AM   #12
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Originally Posted by Vic Z View Post
It's between the eflite edge and this guy.

http://www.valuehobby.com/51in-sabre-x-arf.html

Having a tough time deciding.

Sorry for the hijack Nigel
No worries

Nigel

222kph PKJ,EDF Concorde, Mini4,Mig3,T45,PKJ twin,ME109,Edge540,Cessna182,Skymaster Biplane,F15,F16,Badius,Ultimate,SE5,Qbee10,450 Heli,V911,J3 Cub Founder 9x forum: http://groups.yahoo.com/group/Flysky_RC_radio/
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