RunRyder - Ok Ok it's a Plank

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Off Topics > Ok Ok it's a Plank

Doug
Elite Veteran
Location: Naples Florida....

Here's the deal, I stumbled into a low cost ($.00) ARF. It's called a prelude 20 (whatever that is) and has never been flown (or even set up). It has a KB engine in it of unknown size (maybe a .20)

. It has a wing span of 34" and has full span ailerons and even nose wheel steering. My flying buddy (simi34103) Provided a set of 9201 servos (should do it

) and a FM receiver. He and I are going to teach ourselves to fly it this weekend (neither of us has ever flown a Plank) so it should be a good test of our superior skills

I'll provide the required pictures and video as we progress.

First member of Member of Bearings Anonymous

09-30-2003 Over year old.

Steve Campbell
Elite Veteran
Location: Baton Rouge, LA

Should be fun; if the engine runs.

K&B really stands for "Kaput&Blown"...

Flying it will be no problem. LANDING it (in one piece) will test your "superior skill"...

Planks are a hoot; I always have at least one when I go flying. I even built a Sig Wonder (small, hand-launched model with an OS .15) for use at one cramped flying spot I sometimes visit.

Steve

09-30-2003 Over year old.

richardf
Veteran
Location: San Diego, CA Posts: Billions and Billions

Up high

Test the stall characteristics way up high early
in your first flight. If it stalls with a soft nose
pushover, you won't have to worry about the
landing so much.

Other than that, gas it on take off, throttle back
to a comfortable cruise speed and have fun until
your first landing

Richard.

09-30-2003 Over year old.

wmueller10
Heliman
Location: Ft Benning Area

Your in for a blast, I wish I could be there to see that flight.
If you have a Realflight simulator set it on "150% realtime" and use the
Special 40 stunt plane. This will increase your reflex/reaction time on rolls and landings. Get the plane high right after takeoff. This is so you can adjust the trim out on her.
Your center of gravity (CG) should be nose heavy (about 20% from the leading edge). That would be 2" back from the leading edge on a 10" wing chord. This will make your plane stable in flight, but keep the airspeed up on final. I wish you the best of luck.

10-01-2003 Over year old.

BladeRunner
Elite Veteran
Location: Ontario Canada. Member of "some sort" s

On take off get lots of speed, after lift off try to avoid climbing at a steep angle, unless you have unlimited power....

. Once you do lift off....lower the nose slightly to build and maintain airspeed........Have fun!!!

10-01-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

Well, I got it all rigged out last night. I fueled it up and it fired right up, I ran a tank through it to see if anything would fall off. so far so good

First member of Member of Bearings Anonymous

10-01-2003 Over year old.

Steve Campbell
Elite Veteran
Location: Baton Rouge, LA

Run it to get it warmed up; then have your buddy hold the tx while you hold the airplane. Holding the airplane straight and level, go to full throttle. Let it run there for about 10 seconds, then point the plane straight up.

This is a quick'n'dirty mixture check. If the engine sags, it is too lean. This test simulates the prop "unloading" once the plane is flying on the wing; there will be a definite rpm increase, and sometimes this is just enough to make the engine lean out and quit. Hence, the caveat to always run your engine a few clicks on the rich side.

Few things are worse than engine failure right after the model has gotten airborne.

Steve

10-01-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

Yes, I did that, I have noticed this is evidently a "requirement" as I see "everyone" doing it

There is very little change at full throttle, Nose up is speeds up just slightly and nose down is gets a little rich but will even idle in all orientations. I am using my "dreaded" WC 15 helimix in it

First member of Member of Bearings Anonymous

10-01-2003 Over year old.

studiomusic
Heliman
Location: Utah

My first real rc plane

I saved and saved to buy one of those back in the day... It never flew to good. I sucked at the time as well, but good luck with it.
Beautiful plumage...
Chris

10-01-2003 Over year old.

midwestpilot
Elite Veteran
Location: Crystal Lake, IL

Ah yes...

the Norwegian Blue...

In life there is no spacebar!

Rich Erikson AMA 6175

10-01-2003 Over year old.

HOMEPAGE

wmueller10
Heliman
Location: Ft Benning Area

Did the Prelude 20 survive the weekend?

10-06-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

What a memory

It was put on hold as Scott had other duties this week end. Next weekend for sure. (after all for this sort of thing a videographer is required) .

First member of Member of Bearings Anonymous

10-06-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

I provided the aircraft and Scott proviced the Radio gear so It's only fair that we flip a coin for "firsties"

First member of Member of Bearings Anonymous

10-06-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

Yep

First member of Member of Bearings Anonymous

10-06-2003 Over year old.

Spitfire_mk5
Key Veteran
Location: Canada

Way too underpwered

10-06-2003 Over year old.

HOMEPAGE

Doug
Elite Veteran
Location: Naples Florida....

Ok the deed is done, and I have Videos up tomorrow

Here are some stills before the first flight.

First member of Member of Bearings Anonymous

10-12-2003 Over year old.

Steve Campbell
Elite Veteran
Location: Baton Rouge, LA

Doug, I was perusing that photo of your gear lay-out, and I gots ta know... is that a Concept 60SR hiding behind the Raptor?

And is that black lump a body bag???????

Steve

10-13-2003 Over year old.

mvhf
Senior Heliman
Location: Antwerp, Belgium

Where are the stills after the first flight ???

Marc

10-13-2003 Over year old.

HOMEPAGE

Doug
Elite Veteran
Location: Naples Florida....

Steve Campbell2

No it's actually a SRII Graphite. I Have 3 SRII's, two Plastic Fantastics and one Graphite, Great flying machine and bullet proof mechanics
And the "after" pictures look no different except for the oil stanes and grass

First member of Member of Bearings Anonymous

10-13-2003 Over year old.

Doug
Elite Veteran
Location: Naples Florida....

And the black "lump" is a "copter cover"

First member of Member of Bearings Anonymous

10-13-2003 Over year old.

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