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Author Topic: Berkeley Fairchild 24 Ranger - 36 inch  (Read 2822 times)
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nitrowing
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« on: March 07, 2013, 11:04:52 AM »

Just started wing, will post pics later.
Was thinking of doing it RC, but may enlarge the plans and built one more suitable for RC
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Pit
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« Reply #1 on: March 07, 2013, 02:00:29 PM »

I've got that kit in the wings, so I'll be watching.  I'm really having a tough time deciding whether to build the kit or "copy" it.  The wood quality seems to be quite good - better than what I have in my stock at the moment.
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nitrowing
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« Reply #2 on: March 09, 2013, 11:59:14 AM »

I have a copy of the plans, no kit, and am building with some wood I have around the shop.
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« Reply #3 on: March 18, 2013, 10:39:15 PM »

still playing with it, got some micro electronics on the way and some coverite - microlite for it.
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« Reply #4 on: April 06, 2013, 11:30:35 AM »

did a bit more on it, received my electronics, but may step down to a smaller motor and lighter battery.
I asume a 2S 350 would be adequate?
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« Reply #5 on: April 18, 2013, 11:17:33 AM »

still putzing away between other projects, got some covering on the tail and strengthening the wing for servo mounts. Added ailerons.
I'll get some pics up soon.
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« Reply #6 on: October 10, 2013, 08:45:52 PM »

started building again, hope to finish soon.
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nitrowing
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« Reply #7 on: December 27, 2013, 12:06:10 PM »

closer
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Re: Berkeley Fairchild 24 Ranger - 36 inch
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OZPAF
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« Reply #8 on: December 27, 2013, 04:17:34 PM »

That looks interesting - it should be a nice calm weather flyer. I would thing a 2s 350mah should be ok. What motor and prop are you using?
If it is much bigger than say a Hobby King 1811   - 50Watt motor, with say a 7x3 GWS prop  - you may need more battery capacity.
happy building
John
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« Reply #9 on: December 27, 2013, 05:08:18 PM »

Looking good!  The 1811-2000 (10gm) motor might be a bit weak.  The Berk Fairchild is on the heavy side and pretty draggy, and carrying four servos you're gonna need an ESC with enough wums to keep up with the demand.  The 1811 puts out about 140gms of thrust on two cells with a 6x3 prop.

The 15gm motor (about 22mm dia.) on two cells and a 12Amp ESC might be a better choice (8x4.3 prop) puts out twice the thrust, but then you've got throttle control.  Better to err on the high side.
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nitrowing
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« Reply #10 on: December 27, 2013, 11:23:18 PM »

the wing is covered too, more than that picture shows. not sure on motor or prop, have to recheck, battery is a 2C 350 and 10 amp
it pulls hard.
hoping final weight is under 300g or roughly 10 ounces.
I think wing is around 296 squares
If it flies half decent I may enlarge to 55-65 inch and modify where needed, and will likely be a floater then, and better for scale flying.
Will likely use a paved lot to taxie and lift off, as grass wont work and handlaunch is too risky.
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nitrowing
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« Reply #11 on: December 27, 2013, 11:42:32 PM »

motor is
 
hexTronik 20gram Brushless Outrunner 2300kv  and 7x3.8 prop for now, if it puts out 300g thrust, it should be more than enough to fly on the wing and climb well.
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« Reply #12 on: December 28, 2013, 06:02:16 PM »

That sounds good you can always use a bigger battery later if you need more flight time.
John
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nitrowing
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« Reply #13 on: December 30, 2013, 11:07:03 PM »

thanks for checking in guys, the garage is cold and other things on the go, you know the drill, like to do a maiden early summer Smiley
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« Reply #14 on: December 31, 2013, 05:38:45 PM »

Happy New Year.
John
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nitrowing
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« Reply #15 on: April 05, 2014, 02:21:43 AM »

OK
 not much left I will try this thing to maiden 90 days Smiley
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nitrowing
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« Reply #16 on: September 19, 2014, 01:14:05 AM »

ok guys, was real close, then damaged the cabin while cleaning the garage.. Angry
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OZPAF
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« Reply #17 on: September 19, 2014, 07:56:04 PM »

Lousy luck NW. Its the curse of cleaning striking again Cheesy
John
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nitrowing
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« Reply #18 on: October 01, 2014, 12:25:08 AM »

well, got my workspace cleaned up, and as noted above created some serious hangar rash, but now am even more determined to get it airborne successfully. thanks for the patience  Roll Eyes
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nitrowing
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« Reply #19 on: April 14, 2015, 12:58:45 AM »

well it aint done, but it aint dead either, too many projects..
all radio is in and functioning, did a power up and seems to have plenty of power, wing struts done, just need to cover fuse and finish cowling.

I think I should put in some wing washout??? or just up the ailerons a bit for maiden???
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« Reply #20 on: April 14, 2015, 08:53:49 PM »

I would prefer a bit of washout in preference to upturned ailerons.

John
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nitrowing
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« Reply #21 on: April 16, 2015, 01:29:58 AM »

ok will try to add some with twist and heat, or shim the strut or both
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nitrowing
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« Reply #22 on: June 10, 2015, 01:00:08 AM »

Guys

Too many projects and cooler planes..

So I just set it up the way I have now, tail covered and wing done, Fuse not covered, no windows, didn't even sand the cowl or nothing. Struts functional, run up OK..

Took it to the field and it flies really well, WOW!! Running on 2S- 410mha and 610mha.
Needs rudder to turn as expected and its just a sweetheart, I am totally blown away, it really flies well.
Pics later, really stoked that I could actually build from ancient pans and modify and have a nice floater, true flier. COOL.
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nitrowing
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« Reply #23 on: June 10, 2015, 12:03:03 PM »

Not sure if I will finish it now, kinda fun showing it and flying it like this, barebones basic aviation Smiley
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Re: Berkeley Fairchild 24 Ranger - 36 inch
Re: Berkeley Fairchild 24 Ranger - 36 inch
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nitrowing
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« Reply #24 on: June 14, 2015, 11:50:40 AM »

I added some more covering, guess ill fly it and build-finish as long as it survives my flights,
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