Hoaye F-18 build - Page 7 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 08-05-2015, 03:50 AM   #61
4stripes
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Re: Hoaye F-18 build


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Looks nice!
I assume your weight includes battery(s)?
What motor did you settle on and cell count?
How many watts is it drawing and with what size battery(s)?
I love the size of this kit and would have one myself if we didn't have the Starmax version.
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Old 08-05-2015, 07:01 AM   #62
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Re: Hoaye F-18 build

Yep, that's all loaded up. The motors are Mega, it's their EDF 5S motor, good for up to 5 cells, but it's max amp draw is only 50 amps which you can push in bursts. How much they won't advise me. The CS 12 blade that I'm using causes way too much amp draw on 5 cells so I'm staying with the two 4 cell set up, 3300 mah each.
On the 4 cell setup, the amp draw is just under 50 amps and settles to around 45 amps. This isn't giving me spectacular watts but each shows 735 watts off the charger so just over 1400 watts but realistically, around 1300 watts after a minute of run time. When I did hook up a 5 cell, the watts were around 1200, but the amp draw showed almost 70 amps. It was on a burst so the watt number might be off, I didn't hold the throttle open. But did it ever sound nice. So I will have to find a motor that can handle 70 amps if I want to use a 5 cell.
This is why I wanted the model as light as possible.
The ESC's are Turnigy Plush 80 amp units, I've always had good luck with these and have a few new ones. They get mounted literally on the inner wall of the intake ducting so they'll be getting more than enough cooling. The batteries will rely on getting cooling air from a small duct in the nose and six thin ducts, three on each side of the fuse nose section just under the LEX, was thinking of making these a bit bigger.
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Old 08-05-2015, 07:12 AM   #63
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Re: Hoaye F-18 build

Oh, I almost forgot, I was hoping to have all the batteries under the turtleneck hatch but now to balance the model, I have to have the cockpit removeable, I had wanted to glued it in place for simplicity but needed to move the batteries forward and the small recover battery is going to be directly under the canopy.

Should have mounted the EDF's a few inches more forward.
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Old 08-05-2015, 12:37 PM   #64
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Re: Hoaye F-18 build

John, you're really getting along with that bird! As for the battery placement, you could still glue the canopy down and cut out a larger hatch for easier access.
Tom
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Old 08-05-2015, 08:33 PM   #65
Dutkoski
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Re: Hoaye F-18 build

I could, but it's already cut and I can make a hold down like they did on the Habu for the cockpit.
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Old 08-10-2015, 10:04 PM   #66
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Re: Hoaye F-18 build

I've been painting this weekend and tonight, getting the invasion stripes on. Using latex primer and paint is really quite nice. No smell and little over spray.
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Old 08-11-2015, 04:01 AM   #67
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Re: Hoaye F-18 build

Looking great John!
The scheme should help with orientation too.
Looking forward to your flight report.
Cheers
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Old 08-11-2015, 03:40 PM   #68
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Re: Hoaye F-18 build

Everything Eric said! You've chosen a terrific scheme, John- really like it.
Tom
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Old 08-12-2015, 10:18 PM   #69
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Re: Hoaye F-18 build

Finished the painting tonight, actually looks pretty good for a foam plane. Tomorrow night I'll finish up the decal set and apply them. By then the latex should be cured enough. I'm not going to do any line detailing or anything like that, I've spent way too much time on this model as it is, anyway, at speed, 100 feet away, whose going to see it �� I'm only doing the main decals as well.
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Old 08-12-2015, 10:19 PM   #70
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Re: Hoaye F-18 build

Bottom rear view
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