The EXTRA 300 EXT Build Thread

[AKfreak]

I just started switching out to Savox on a 30cc plane. Let's just say that I'm done with cheap servos. If you go to GiantScaleNews and look up bemeson, he has very good prices. I am looking at the sv 1270 for a 78" EF Extra 300. The torque is way more than required but they only weigh 56g and cost is marginally more than what he recommended for that plane.

Aeroplayin has done a lot of research on 12S power systems on the 70-78" planes and is a wealth of information. I fly my 30cc on a 6S motrolfly 4330 with 2 3700mah packs in parallel. I picked 12S for my next plane to use the same packs in series to eliminate the need for more batteries. I am considering picking up the 206 or 216 4330 and converting my current plane and re winding my current motor.

Thanks for taking time to post this information. I sent bemeson a PM to see what he is offering. I try to support Local as well as Sponsors, but for me it is always about Price first. Don't get me wrong product support is important, but price drives my business.

I will take another look at Savox. I love the SC1258TG's I use in my camera gimbal and if I had the cash I would just buy those again.

 

[AKfreak]

The Extra is all mocked up. It is pretty big compared to my 62' MXS. I took it out in the front yard and made some pics.

 

[AKfreak]

Compared to the MXS the Extra dwarfs it. The image does show it because the MSX is up front, and I an using a wide angle lens thus distorting the wing a little. . Needless to say, I am happy to add both of these planes to my Hangar.

 

[3dNater]

The extra covering scheme looks nicer out there on the grass.

 

[Dr. Gonzo]

SA-1258TG. We did a review on them:
http://www.3drcforums.com/content.php?224-Savox-SA-1258TG-Aircraft-Servos

Perfect. Thanks man. The scheme looks way better outside for sure.

 

[SnowDog]

That scheme looks totally awesome outside....one question...what is that funny looking green stuff on which the plane is sitting?

 

[3dNater]

Haha Mike... I am about cut my funny looking green stuff for the second time this season

 

[AKfreak]

Grass in Vegas comes at a premium for sure.

 

[AKfreak]

Oh one more piece of information is, this plane wights 5.4 lbs with no electrics. So I hope the battery's, servos, prop, spinner, wiring, ect.. weighs less than 4.6 pounds. I do know the use of 5000mah packs and keeping the weight to 11lbs isn't going to happen. The motor is 500 grams (1.1 lbs) a TP 5000mah 6S pack is 804 grams (1.7lbs) just those three items are 4.4 lbs.

Also I made a template for the SFG's. I was going to stick build them, but hardwood ply might be strong enough.

 

[AKfreak]

Got my motors today, this is the one for the Extra. I need to figure the motor mount out. In my Showtime 90. I use this sliding metal bracket, its kind of heavy, I was thinking of doing some sort of stand off in the Extra. What is the strongest light weight way to mount the motor?

My 64" MSX motor.