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RE: Nitroplanes Cananair CL-415 - 4/14/2009 4:07 AM   
Speedy-Gonzales


 

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From: Bryan, OH, USA
Status: offline 		Received my replacement right wing for the Canadair CL-415 today. Best and fastest service ever from any R/C hobby related manufacturer/distributor and I have been involved in this great hobby for over 40 years. I guess you just need to talk to the right people. Amazing!

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RE: Nitroplanes Cananair CL-415 - 4/15/2009 5:37 AM   
nitrostaff1



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Status: offline 		Thanks for the opportunity to help.

John
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RE: Nitroplanes Cananair CL-415 - 4/28/2009 5:47 AM   
Speedy-Gonzales


 

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From: Bryan, OH, USA
Status: offline 		I am a diehard glow engine user but I would like some suggestions on prop size for 3-blade props. I will be using twin O.S. 55 AX's and have several choices from Master Airscrew for 3-blade props. Looked at some earlier posts in RC Groups forums and noticed a picture with a tape measure showing adequate prop clearance from CL of engine to fuselage side but I would be more concerned with the prop clearance to the waterline especially when flying in choppy waters and spray from fuselage chines.

My prop choices are as follows:

11 x 7
11 x 8
12 x 6
12 x 8

I think the 11 x 7 and the 12 x 6 are my two best choices since I think the 8" pitch is too heavy for flying off water and I do not need the heavy 8" pitch for flying. I also think the 11 x 7 or 12 x 6 would be my first choice since it would give me more prop clearance and less load on engines for takeoffs.

I would appreciate your comments.


< Message edited by Speedy-Gonzales -- 5/3/2009 5:24 AM >

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RE: Nitroplanes Cananair CL-415 - 5/5/2009 5:38 PM   
Flyin Beagle



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From: Lexington, KY, USA
Status: offline 		John,
Any idea when these will be back in stock? I thought about it a bit too long this time. Everytime I go to the flying field and see that big pond out in front of me I kick myself for not buying this plane.

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RE: Nitroplanes Cananair CL-415 - 7/3/2012 12:33 AM   
mlawrencemsc



Posts: 216
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Last Login: 4/20/2013
From: BirminghamAlabama, USA
Status: offline 		Hello, Can any of you guys give me some tips on converting this plane ( New Version 2!   Canadair CL-415  Twin 0.52 Engine - 80.7" Nitro-Powered Radio Controlled Seaplane w/ Landing Gear ) to electric, like motor brand and size, esc amps and brand name, servos amount and brand name and size? I'll be using a Futaba 8GF Super 14 channel 2.4GHz. I also want counter rotating props? (I think) Thank you Mike 

New Canadair CL-415 Twin 0.52 Engine - 80.7" Nitro-Powered Radio Controlled Seaplane!!! 

Features:
Top quality wood construction with fiberglass fuselage
Comes with all hardware and accessories

Specifications:
Wing span: 2050 mm / 80.7 in 
Fuselage length: 1476 mm / 58 in
Flying weight: 4540 g /10 lbs 
Wing area : 976.5 sq in / 63.4 sq.dm

Additional Requirements:
Engine Required:2c 0.52x2pcs 
Radio Required: 6channels ; 9 Servos

http://img.photobucket.com/albums/v671/mlawrencemsc/7.jpg
http://img.photobucket.com/albums/v671/mlawrencemsc/4.jpg
http://img.photobucket.com/albums/v671/mlawrencemsc/5.jpg
http://img.photobucket.com/albums/v671/mlawrencemsc/7.jpg

< Message edited by mlawrencemsc -- 8/5/2012 11:11 PM >

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RE: Nitroplanes Cananair CL-415 - 8/5/2012 10:08 PM   
mlawrencemsc



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Status: offline 		 I have one one the way.  Paid for it yesterday. New Cananair CL-415 Twin 0.52 Engine - 80.7" Nitro-Powered Radio Controlled Seaplane!!! I need advice on how to go electric whit this like what size electric  motors to go with also batteries I know I want lipo's but I don't how many C like 25C, 30C, 40C also 2s 3s or 4s packs. It's a big plane so I would think standard servo's would work fine. It say's it uses 9 serevo's so I'm thinking at least a 9 channel receiver. Please help I'm lost I've been out of the hobby for a least 12 years and I did RC 10 buggy then and the where no LIPO, LIFE batterires back then only NI-CAD.  Mike

Features:
Top quality wood construction with fiberglass fuselage
Comes with all hardware and accessories

Specifications:
Wing span: 2050 mm / 80.7 in 
Fuselage length: 1476 mm / 58 in
Flying weight: 4540 g /10 lbs 
Wing area : 976.5 sq in / 63.4 sq.dm

Additional Requirements:
Engine Required:2c 0.52x2pcs 
Radio Required: 6channels ; 9 Servos




< Message edited by mlawrencemsc -- 8/5/2012 10:34 PM >

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RE: Nitroplanes Cananair CL-415 - 8/6/2012 6:49 PM   
opjose



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From: Poolesville, MD, USA
Status: offline 		Complicated question... Here's a quick "course" on sizing up your electronics...



The AUW of the plane purports to be 10lbs.

I don't trust that so I'll add another pound to be safe..

11.5lbs AUW is more realistic.

Assuming you want decent performance you should shoot for 140w per lb. using the common watts per pound rules...

So you'll need a total of 11.5 x 140 = 1610 watts to power your plane.

Since there are two engines/motors you divide that by two and get

805w per motor.

Allowing for "overhead" you should be shooting for a 800-1000w motor.

Two of these will do fine...

http://www.nitroplanes.com/96m605-bigfoot46-4020-670kv.html

Next you'll need to determine how to power the motors.

A 4S pack outputs 14.8v... so 14.8v x 670kv = 9916 RPM

9916 RPM is a realistic number for a higher pitch prop, say a 13x8E

You could also opt for higher voltage ( which IMHO is better ) and go with 5S cells.

5S x 3.7v = 18.5v pack voltage

18.5v x 670 KV-RPM = 12395 RPM

The latter is more in line with a glow engine size prop and will require a lesser pitch...

A 11x6E or maybe a 12x6E would work, but the latter is pushing things a bit.

Next you'll need to determine the ESC size.

Combo one:


Assuming 18.5v packs... 804w / 18.5v = 43.5A

Then adding 20% for safety... 43.5A * 1.2 = 52A

So a 50-60A ESC capable of 18.5v AT THIS AMPERAGE would be good for this voltage...

Combo two


On the other hand... Assuming 14.8v packs... 804w / 14.8 = 54A

34A x 1.2 = 64A

A 70A ESC capable of 14.8v would work.

In turn each of these produces different pack requirements...


Combo One:
-

Starting with the first combo, we only need to draw 50A max...

So a 2500mAh 20C 18.5v 5S pack would work, but it would be borderline and you would be hitting the packs very hard.

A much better choice would be to up that to say 3300mAh 25C 18.5v 5S packs to give you more overhead and flight time.

Combo Two:


64A draw will require a minimum of 3200mAh 20C 14.8v 4S packs.

Again that will hit the batteries VERY hard, so a better choice would be 4000mAh 14.8v 25C 4S packs or better.

Weight wise, both combos with the batteries I've sized will come out fairly close to each other, so what you go with ends up being your choice.


Remember that you'll also need balance charger(s) capable of recharging these batteries and ideally multiple sets of packs so you can fly for a while.

At a minimum I always take for sets of packs out to the field for each of my electric planes that I intend on flying.

That lets me fly, land and start charging the first pack, BS for a while then fly again, land BS again and fly... by the time I land after the third flight the first pack is almost done, and I can continue this cycle to get 6-8 flights in before I "catch up" with the charger.




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RE: Nitroplanes Cananair CL-415 - 8/6/2012 6:57 PM   
opjose



Posts: 12255
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From: Poolesville, MD, USA
Status: offline 		Also "9" servos does not mean you need a 9 channel receiver.

Two servos operate the flaps, and you CAN hook them up to one channel if you adjust your geometry accordingly.

Two servos operate the ailerons, and you can also hook them up to one channel.

Two servers were required for the engines, which you will NOT be using, but I would recommend one channel per motor so you can program in a mix to aid yaw when on the water and balance the motors for best in-flight performance. This also aids ESC programming and allows you to adjust for slight differences in motor performance.

One servo controls the elevator, one for the rudder.

That's where the "9 servos" came from.

You'll only need six however. You will need a 7 channel receiver or better and a TX that can do the same.

Some TX/RX combos prevent you from using the Gear servo as you may want so hence the 7 channel recommendation.

Personally I prefer to have each aileron on a separate channel for differential mixing and that raises the requirement to 7-8 channels at a minimum.



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RE: Nitroplanes Cananair CL-415 - 8/6/2012 11:44 PM   
mlawrencemsc



Posts: 216
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Joined: 3/24/2004
Last Login: 4/20/2013
From: BirminghamAlabama, USA
Status: offline 		 Thanks for the reply. I noticed this motor also http://www.nitroplanes.com/96m606-bigfoot60-4030-400kv.html would it give better performance but less flight time? I also noticed some Gen Ace motors that come in a combo with the esc. If you don't mind take a look at them to see is they would be good and cost less.
 I have a Futaba 8FG Super 14 channel radio with a  Futaba R6208SB 8-Channel 2.4GHz FASST Hi-Voltage Rx and a Quarrro B-6 charger it has 4 independent output's it say's 4x50/5 I think it's 4x50 watts @ 5 amps not sure but I think so. I have to get to flying I have 2 of these  and 1 of these PT-17 electric
And 1 one of these  Plus a Blade Helicopter. I need a power supply and I'm unsure what to get but I think I'm gonna get an MFJ-4245MV

DELUXE 12V ADJ, 45 AMPS, SWITCHING PS

Click Image For Larger Picture


MFJ-4245MV
Price: $149.95
 
But I've seen some 25 and 30 amp for about half the price. I think a 30 Amp would be fine but I not sure if I'll need more amp down the road.  Mike



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RE: Nitroplanes Cananair CL-415 - 8/8/2012 5:15 PM   
opjose



Posts: 12255
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Joined: 11/26/2005
Last Login: 5/22/2013
From: Poolesville, MD, USA
Status: offline 		PLEASE DO NOT POST SUCH LARGE IN-LINE Images!

Reduce them or use links to your gallery instead...

-

Re: Motors

No that is "glow/gas" engine thinking.

The amount of power produced by the motor is determined by the propeller, unlike displacement in glow/gas engines.

The specs of the motor only determine if the motor can keep up with the load imposed by the propeller.

That motor you mentioned would have to swing a much larger prop to get the rated watts. You will likely have clearance problems swinging an E-Prop large enough for that motor's rating.

You will also need to increase battery size/voltage which will add to the weight.

I'd advise you against doing this... the plane could stand two .32 equivalent motors and the specs I mentioned go beyond that already.

-

Re: Power supply

The power supply is fine. I just adapt old PC power supplies for this... It takes about $18.00 worth of parts and about 45 minutes of work at worst to do so.

-

Re: Other motors

Eh, I gave you a walk-through on how to size up your electronics.

Just use that.



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