Seaplanes Aircraft that typically take off and land on water...radio control seaplane discussions are in here.

Seaplane pictures

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Old 01-18-2010, 06:39 PM
  #451
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Quote:
ORIGINAL: jrf

For best flight performance the floats need to be level when the airplane is flying at cruise speed. Any deviation, positive or negetive, will create excessive lift/drag which can result in the pitch sensitivity you mentioned. Proper float setup is a compromise between on-water performance and in-flight performance. Factors to be considered include airfoil, wing loading, power, desired flight performance, expected water conditions, and many more. The best setup is different for every airplane.

Quote:
ORIGINAL: scale only 4 me

Cowboy,
those float are definitely wrong,,
you should always have some negative incidence floats to the wing,,, never a flying wedge like that plane appears to have
A blanket statement like that is misleading at best.

Enough. We have hijacked this great thread, and I, for one, would like to turn it back over to the builders of these outstanding seaplanes.
I'm sorry, I didn't realize I was in a thread with the guy that gets to declare "conversation over!"

Yes it is a blanket statement
Maybe you can point out a situation where the statement would be false?
Do you have an example where you'd want negative float incidence? I'd sure be interested in hearing that.

Also,
I wouldn't have said Boo if Cowboy didn't post those pictures along with his statement obviously pointing to his plane as an example of a properly set up plane with effortless take off abilities. Funny in his follow up comments he says he just needs to "tap the elevator", but in the picture he posted he's holding what would apear to be full up elevator. Looks like a little more than just a tap to me. If you ask me it looks like he's fighting that stink bug set up in order to get to rotation angle.

You're free to disagree with me,, You're not free to tell me when and where I can post comments
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Old 01-18-2010, 07:47 PM
  #452
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Quote:
Yes it is a blanket statement
Maybe you can point out a situation where the statement would be false?
Do you have an example where you'd want negative float incidence? I'd sure be interested in hearing that.
Already did. Read post #444 again.

Hijacking a thread is bad form. If you want to continue this discussion, please PM me or start a new thread.

Jim
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Old 01-18-2010, 08:31 PM
  #453
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I have sold the Custom Privateer for a price I couldn't refuse. I will be selling the Sea-Cat also. Anyone wanting a shot at it let me know. It is in good condition with a small piece of 1/8"soft balsa missing.
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Old 01-19-2010, 07:43 PM
  #454
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Like I stated in my post, that is just adding power before it gets up on step to help with rudder control because I don't use a water rudder. After it is up on step that much elevator is not necessary. Yes, it only takes a tap. Stink bug setup.....LOL

[/quote]

Also,
I wouldn't have said Boo if Cowboy didn't post those pictures along with his statement obviously pointing to his plane as an example of a properly set up plane with effortless take off abilities. Funny in his follow up comments he says he just needs to ''tap the elevator'', but in the picture he posted he's holding what would apear to be full up elevator. Looks like a little more than just a tap to me. If you ask me it looks like he's fighting that stink bug set up in order to get to rotation angle.

[/quote]


Back to the sea plane posts.......
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Old 01-20-2010, 11:43 AM
  #455
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Scale, just so you know, those floats are NOT wrong. How do I know? I've been putting on floats for over 18 years, other than being a tad bit to tall, and there is a reason for that, "prop is big" I have flown Cowboys Husky several times and its flawless. People who put floats on planes do everything wrong, and some just "get it right" and think there an expert on it.

I KNOW your gonna tell me I'm wrong, and thats OK. But the fact is, is that this plane fly's perfect EVERY TIME, with no bad habits. The reason you have to tap the elevator is because like all good RC pilots, we fly with just a tad bit of "down" in it.

Every plane I have EVER done, including this one, have flown real well with the float set up that was put on it. and there is a reason for that as well. Just like EDO and all float manufactures will have in there install manuals. it is set up that way


Step,,,,,,,,,,,,,,,,,,,, just ahead of the CG 1/8 to a 1/4 inch

and deck of float,,,,,,,,,,,,,,,,,, level to horizontal stab

If you keep with this formula you WILL have a great fly'n plane, no matter if you put floats on a 330L or a Stearman. hahaha

Have a good day...Rod
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Old 01-20-2010, 01:34 PM
  #456
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Two pictures of my rudder and elevator float plane. Onlystationary pictures as it's difficult to take pictures while flying. The plane probably prove that a lot of power is not needed to ROV. The plane weight issome 2.5kg and it is powered with an old OS .30 that spin a 10X6 prop close to 10 000rpm. The take of run is like and overloaded Cessna 206 on float's, quite long. The first 5 meter or so in dispacement mode, then planing on the step and aft part of the float another 15m before it get up on thestep. On the step I need to keep the wing AoA low another 20m before lifting off and gaining speed at level flight before climbing.
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Old 01-20-2010, 01:45 PM
  #457
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Quote:
ORIGINAL: Himat

Two pictures of my rudder and elevator float plane. Only stationary pictures as it's difficult to take pictures while flying. The plane probably prove that a lot of power is not needed to ROV. The plane weight is some 2.5kg and it is powered with an old OS .30 that spin a 10X6 prop close to 10 000rpm. The take of run is like and overloaded Cessna 206 on float's, quite long. The first 5 meter or so in dispacement mode, then planing on the step and aft part of the float another 15m before it get up on the step. On the step I need to keep the wing AoA low another 20m before lifting off and gaining speed at level flight before climbing.

That is a great example of floats level to stab and step in the right place.
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Old 01-23-2010, 01:24 PM
  #458
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Default RE: Seaplane pictures

Great Planes Gee Bee ARF with GP sport floats. This airplane is several years old and needed some new life.
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Old 01-23-2010, 01:40 PM
  #459
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Nice job! I'm sure we are all curious to see if it will work. Please take video of the first flight.

Jim
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Old 01-23-2010, 04:24 PM
  #460
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+1... oh my
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Old 01-24-2010, 07:42 PM
  #461
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+2.. Awesome!! Please give flight report
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Old 01-25-2010, 05:39 PM
  #462
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Default RE: Seaplane pictures

GeeBee's are scary on wheels
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Old 01-25-2010, 05:53 PM
  #463
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Quote:
ORIGINAL: CowboyLifesaver

GeeBee's are scary on wheels
hahahahaha look at it this way.. the entire lake is your runway!!.. that makes it alittle [size=3]better!
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Old 01-25-2010, 07:27 PM
  #464
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Not what it going to do on the water that concerns me,,, hold on tight [X(]
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Old 01-25-2010, 08:47 PM
  #465
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i bet it would keep a Grinch smiling for a week! maybe two!.. i know i would like to pilot those sticks!

keep it up guys.. the unique ones are the best!

-Brad
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Old 01-25-2010, 08:52 PM
  #466
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can i offer a suggestion .. gee bee... + da-50r w/ 20x12 3 blade(float clearance)= haulin' gas!!!!

pin the fire wall!!!

hahahaha
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Old 02-07-2010, 05:24 PM
  #467
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Default RE: Seaplane pictures

Years ago I bought a Balsa USA Northstar from a fellow club member. After having
a blast flying it for one season, I lost it due to an elevator servo failure.

This winter I decided to build one, OS 55AX, 10x7 3blade, 6lbs 8ozs.

Hope this one lasts a little longer!


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Old 02-07-2010, 05:39 PM
  #468
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Here's a couple more...stole the floats off my 1/4 scale clipped wing cub and
mounted 'em on my G.P. Sportster.
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Old 02-08-2010, 02:32 PM
  #469
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Quote:
ORIGINAL: dryverman

Years ago I bought a Balsa USA Northstar from a fellow club member. After having
a blast flying it for one season, I lost it due to an elevator servo failure.

This winter I decided to build one, OS 55AX, 10x7 3blade, 6lbs 8ozs.

Hope this one lasts a little longer!

cool ! no cg issue with such a big engine ?
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Old 02-08-2010, 05:39 PM
  #470
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6oz in the nose balanced her. The .55 is advertised as being 3oz lighter
than the OS .46, which I powered the old Northstar with, I don't remember
how much nose weight I had in that one....
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Old 02-08-2010, 08:18 PM
  #471
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Thread says "Seaplane pictures" and nothing about the real thing,

So, I was going through some old photos a day ago, and stumbled onto the seaplane I once had. Why is everything great always "once?"

Anyway, thought I'd place it here just for the fun of it. Anyone know what type of aircraft it is?

Charles
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Old 02-08-2010, 11:46 PM
  #472
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I would say a lake buckaner (sp)
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Old 02-09-2010, 12:17 PM
  #473
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Corsair-wb,

Yes, you are correct. In this case, a Lake LA4-200T.

Now what does the "T" stand for?

Get it right and you win FREE graphicxs or lettering! That's the mood I'm in. [sm=bananahead.gif]

Charles
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Old 02-09-2010, 04:12 PM
  #474
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uh..........mmmm.....turbo????
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Old 02-09-2010, 04:29 PM
  #475
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Quote:
ORIGINAL: dryverman

uh..........mmmm.....turbo????
Turbo.. what? Gotta be more specific as you couldmean "turboprop".

It's turbocharged to be exact! IWINIWIN
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