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Old Feb 10, 2013, 02:31 PM
turnerm is offline
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Gone Huckin'
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Originally Posted by heritageflyer View Post
Got one flight in yesterday. 35F and Sunny but felt pretty cold. Light crosswind breeze. Hobby stuff had not gone well this day on the bench, was just out of Sync all day... Probably should not have flown, head wasn't in it. Today I have a migraine, so maybe that is why I was off kilter...

Had to fly at the alternate site, the Voices told me to go home, but I didn't listen. Stuff always happens when I do that and it almost did at the beginning and did when I botched the landing trying to swerve to miss a storm grate. Chewed off my new Xoar 15x7. I cut that off to shorten the vid. Makes me too aggravated when I watch it. Did order a new 15x7 and a 15x8 to try this time.


Best thing in this vid is a pretty airplane against an Awesome Blue Sky! For once No Grey Clouds to fly against!

http://youtu.be/Z2mlpSOoBj8
Great flying Warren! I loved the KE wingtip touch around the 1:50 mark!!

I need to get my replacement 57" SC built soon. I just need to order a motor and ESC.

Are you running the Motrofly 4315-714? If so then you'll love the 15x8!
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Old Feb 10, 2013, 07:55 PM
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Time to Fly AJ's Best!
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Yeah I let that one scrape a little more solid than usual! Afraid to look at the SFG bottom edge.

No that is the old 3625-709.5Kv custom wind. 15x8 will take the speed up another 5 mph maybe.
Old Feb 11, 2013, 07:14 AM
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Love the flying there heritageflyer

I finally finished my 57", then I got a change to maiden it yesterday. I didn't get a change to tweak everything so the balance wasn't quite right but some far I love what I saw.
I can't wait till next weekend to really get to push it to the limits as I spent the first 2 flight in low rates just feeling her out. I'm running a motrofly 4315 714kv using a APC 15X6 prop but also have a 15X7 & 15X8 props to try too.
Is there a big difference between the prop or does it just come down to personal preference ?
Old Feb 11, 2013, 11:19 AM
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Time to Fly AJ's Best!
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Just speed increase, pullout vertical pretty much, going up in pitch.
Old Feb 11, 2013, 06:57 PM
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Hey guys, I'm selling the power system from my 57" SC, just throwing a link here in case someone is looking for a reaper 60 from the days of lore.
https://www.rcgroups.com/forums/show...ight=reaper+60
Old Feb 11, 2013, 07:35 PM
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I fly, therefore, I crash!!!
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Originally Posted by prozac View Post
Hey guys, I'm selling the power system from my 57" SC, just throwing a link here in case someone is looking for a reaper 60 from the days of lore.
https://www.rcgroups.com/forums/show...ight=reaper+60
Great motor for any of the 5X size planes!!

SteveT.
RCG Plus Member
Latest blog entry: My hangar...
Old Feb 13, 2013, 11:52 AM
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Really enjoying this plane, motrolfly 4315-714, 15x7, 4S... Maxing out around 63A at WOT. How much do you all think the amp draw would increase moving up to a 15x8?
Old Feb 13, 2013, 11:58 AM
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Gone Huckin'
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Originally Posted by timlake View Post
Really enjoying this plane, motrolfly 4315-714, 15x7, 4S... Maxing out around 63A at WOT. How much do you all think the amp draw would increase moving up to a 15x8?
I think you'll probably go up to around 80-85 or so. It's a blast with a 15x8!!
Old Feb 13, 2013, 12:04 PM
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Quote:
Originally Posted by timlake View Post
Really enjoying this plane, motrolfly 4315-714, 15x7, 4S... Maxing out around 63A at WOT. How much do you all think the amp draw would increase moving up to a 15x8?
sounds low on the amp draw with that setup. I'm closer to 90amps with the same setup but a 15x10 prop.
Old Feb 13, 2013, 12:05 PM
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I think you'll probably go up to around 80-85 or so. It's a blast with a 15x8!!
Ok... If that's the case, I'll need to upgrade the ESC. Using a CC 75 lite right now, but I could swap with another plane that has a 100 in it. It only gets up to about 65 max, so that's probably safe.
Old Feb 13, 2013, 12:05 PM
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Well, now that you know ...
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I finally got my 4315-714 bolted up with a 15x6 Xoar and the ICE was claiming ~80A peak (with a storage charged battery). I didn't have the connectors for my wattmeter yet, but holy cow, it nearly dragged me across the room!
Old Feb 13, 2013, 12:09 PM
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I finally got my 4315-714 bolted up with a 15x6 Xoar and the ICE was claiming ~80A peak (with a storage charged battery). I didn't have the connectors for my wattmeter yet, but holy cow, it nearly dragged me across the room!
Wow... I wonder why I'm getting such different results? What kind of battery are you using?
Old Feb 13, 2013, 12:09 PM
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Ok... If that's the case, I'll need to upgrade the ESC. Using a CC 75 lite right now, but I could swap with another plane that has a 100 in it. It only gets up to about 65 max, so that's probably safe.
i wouldn't trust a 75 amp esc with that motor on 4S. You'll definitely peak over 75amps given my experience with similar equipment.
Old Feb 13, 2013, 12:10 PM
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Wow... I wonder why I'm getting such different results? What kind of battery are you using?
maybe your throttle end points in the radio are limiting the range?
Old Feb 13, 2013, 12:10 PM
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Gone Huckin'
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Originally Posted by timlake View Post
Ok... If that's the case, I'll need to upgrade the ESC. Using a CC 75 lite right now, but I could swap with another plane that has a 100 in it. It only gets up to about 65 max, so that's probably safe.
Yes - you will definitely want to put an ICE 100 in there for that motor.


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