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Home✈️Aircraft🛩️Fixed-WingFixed-Wing Main Discussion › The official plank thread.
12-25-2010 04:26 AM  9 years ago
airboss

rrElite Veteran

OC ,california

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do try different props , they all have qualities you may like and some you might dislike.

Merry Christmas
Urukay HPS3 KSE 700 HPS3
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12-25-2010 01:29 PM  9 years ago
fla heli boy

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cape coral, florida

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that thing needs a spinner Spit!!!!
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12-25-2010 02:51 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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Merry Christmas

No Really I am the club President!!!
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12-26-2010 12:17 AM  9 years ago
Spitfire1

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Perth Australia

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that thing needs a spinner Spit!!!!
Im worried about airflow over the motor, atleast the other motors I used to use had little metal spinners, these new G/series ones only have a bolt.
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12-26-2010 04:58 PM  9 years ago
fla heli boy

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cape coral, florida

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I never thought of that. You may have a very valid point.
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12-27-2010 12:37 AM  9 years ago
Spitfire1

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Perth Australia

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The other guys all have spinners on with no problems, Im starting to think it doesent matter anyway because in temps like we get here this time of the year the pilot will drop dead before the electrics do anyway, once it gets over 38c (100f).

I think I would fly in temps up to 33 - 35c (95f) maybe, but today its 40c (104) and I dont think it will drop much below the 100 mark for the next couple of months or so.

Maybe the electrics could take it but when you feel how hot it is, it almost seems crazy even to attempt it, wouldent surprise me if just leaving the electrics out sitting in the sun for 10 minutes unplugged may destroy them.
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12-27-2010 02:19 AM  9 years ago
airboss

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OC ,california

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my electric helis used to get too hot in the summer , so I installed a couple very small computer fans for extra cooling and it worked great.Urukay HPS3 KSE 700 HPS3
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12-27-2010 03:59 AM  9 years ago
Spitfire1

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Perth Australia

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ed.
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12-27-2010 03:26 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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gas engines deal much better with the heat.No Really I am the club President!!!
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12-27-2010 10:03 PM  9 years ago
tryan02

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Canton, Missouri

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Airboss or any of you other giant scale flyers using lipos for RX and ignition?

I ask cause with my seagull extra I want to use 1 2100mah 3S lipo for both to keep the weight down.

I use 1 for my giant scale taylorcraft with a CC BEC but it uses magneto for the engine.

I want to know if I should use one battery and two BEC one for RX and one for the EI. Or is this a bad idea all together I know the gasser helis do it with like a 3000mah but not sure how its wired.

Any help would be appreciated.
No Really I am the club President!!!
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12-28-2010 05:09 AM  9 years ago
Spitfire1

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Perth Australia

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Its a big downside of electric the heat, I may even consider getting a nitro at some point for hot days, only a cheap airframe though I would not put a nitro in a nice expensive plane, maybe one of these cheap goldwing kits I fly with a 50 nitro just for the very hot days.
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12-28-2010 04:34 PM  9 years ago
tryan02

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Canton, Missouri

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seagull models are the best!! Well when it comes to the most quality you can stuff in a cheap ARF.No Really I am the club President!!!
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12-28-2010 05:56 PM  9 years ago
koppter

rrApprentice

Virginia

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first question is why a 3S pack? that's just dead weight. you could run a single 2100 2 S pack with a large enough regulator to handle the servo load. at 12 - 13lbs f/w that's a fairly heavy airplane for a 70" wing.
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12-28-2010 10:17 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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Kopter the 3S packs are a dime a dozen thats the main reason.

I have weighed them there are absolutely no weight difference in NIMH vs lipo with my setup.

Let me explain I had a 2000mah AA cell for servos and 1700mah AA cell for the ignition. Now this setup is only good for 5-6 flights and requires 2 chargers and all night to charge (unless I use my quickfield charger). And weight is the same as one 3S 2100mah pack so regulated with a 99% efficient CC switching BEC at 5.5V would be like a 4200mah battery which would be easily charged in under 30min and eliminating the need of 2 batteries with more flight time between charges.

I have proven this plane with three engine combos all of them coming in AUW around 13lb +/- 1/2lb. And it flies great I pitch the nose down slightly with trim just to keep the forward speed up for landing. It comes in that slow and floats that well.

I started my first one with a G-26 magneto engine 13lb sport plane capable.

then built a kit engine CRRC GF40i terrible motor flew the plane awesome when you could get it going.

Lastly the DLE30CC its the perfect engine for this plane more power than the 40CC vertical climbout on takeoff everything I could ask of it. just under 9K RPM on the 19 x 8 prop
No Really I am the club President!!!
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12-29-2010 06:10 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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advertised thrust on the DLE30 is 18lb of thrust.No Really I am the club President!!!
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12-29-2010 06:42 PM  9 years ago
tzclark

rrNovice

Chilliwack British Columbia

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Well i have my seagull assembled, good looking plane. Ordering up a dle30 and a ei package. I want to get this thing in the air asap!I would rather be in a boat, with a drink on the rocks, then in the drink, with a boat on the rocks!
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12-29-2010 07:10 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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Congratulations on finishing your soon to be favorite plane.No Really I am the club President!!!
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12-29-2010 07:41 PM  9 years ago
fla heli boy

rrElite Veteran

cape coral, florida

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pics TZ??? I'd really like a 30 or 50cc gasser.
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12-29-2010 08:24 PM  9 years ago
tzclark

rrNovice

Chilliwack British Columbia

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I just took snaps of a video so sorry for the poor quality. Its a seagull extra 260, 71 inch wingspan.

I would rather be in a boat, with a drink on the rocks, then in the drink, with a boat on the rocks!
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12-29-2010 09:39 PM  9 years ago
tryan02

rrProfessor

Canton, Missouri

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I seen the pics good job not mounting the cowl yet it needs moved up from the instructions with the DLE30.

Want any heads up just yell there is a download for an engine template makes drilling easy.
No Really I am the club President!!!
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Home✈️Aircraft🛩️Fixed-WingFixed-Wing Main Discussion › The official plank thread.
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