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Author Topic: Dave's Corsair II  (Read 1885 times)

Offline Tom Niebuhr

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Dave's Corsair II
« on: September 20, 2007, 11:17:44 AM »
While I never flew Carrier, I used to love to see the beautiful scale like airplanes, before low speed became king.

To Dave Ek of the Dallas Model Airplane Association, controline means FUN!

We have all seen Dave’s Osprey twin rotor gyro.

Dave took 3rd place in Carrier at the recent Dallas contest with this absolutely beautiful airplane. His low speed was fast, but he beat many of the slow airplanes, when their engines quit at low speed and they went into the drink. Needless to say, Dave had fun doing it!

Dave’s airplane not only looks real, but he brought memories forward to the 21st century!

Thanks Dave!  (photos by Dave Russum)
AMA 7544

Offline Paul Smith

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Re: Dave's Corsair II
« Reply #1 on: September 20, 2007, 11:28:09 AM »
So he got scale points for a "jet-with-a-prop" ????

I've been thinking of such a project, but I was curious to see if this was a problem.

ps:  I'd give double scale points to any non-MO-1.
Paul Smith

Offline Andrew Hathaway

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Re: Dave's Corsair II
« Reply #2 on: September 20, 2007, 11:55:16 AM »
You can't fly MO-1 with a jet.  It's nice to see a scale paint scheme and a plane that actually looks real.  That's cool!

Offline Chris McMillin

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Re: Dave's Corsair II
« Reply #3 on: September 20, 2007, 07:06:35 PM »
So he got scale points for a "jet-with-a-prop" ????

I've been thinking of such a project, but I was curious to see if this was a problem.

ps:  I'd give double scale points to any non-MO-1.


Isn't it scale OUTLINE within 10% for scale points? It sure meets that more than most MO-1's, and Guardian's that I've seen in a while!

That model is super cool. Thanks for the great pics, Dave!


Chris...


Offline bfrog

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Re: Dave's Corsair II
« Reply #4 on: September 20, 2007, 07:54:31 PM »
What a great looking airplane. I always loved the looks of these and its really neat to see one fitted for carrier. Nice job cowling the motor in too.

Actually the scale factor is 5%. Here's the rule:

Class I and Class II models shall
receive 100 bonus points if the linear dimensions of
the major components of the model are to the same
scale, within a plus or minus five (5) percent
tolerance. Models which appear to comply with this
tolerance upon rudimentary inspection need not be
further checked except in case of dispute. “Major
components’’ of Class I and Class II models are
considered to be the fuselage (excluding surface
markings) engine nacelles, air brakes, the side-view
profiles of the vertical stabilizer and rudder, and the
top-view profiles of the wing and horizontal tail
surfaces, and all movable surfaces which are attached
to or form a part of these surfaces (flaps, ailerons,
elevators, etc.). ........ Although landing gears need not to be
scale, it must emerge from the model in the same
location as the prototype.

Usually the biggest problems are where the landing gear exits the plane and the size of the control surfaces.

Be that as it may Dave's plane is a beauty!!!!!!

Bob
Bob Frogner

Offline Paul Smith

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fuselage contours ????
« Reply #5 on: September 21, 2007, 08:10:52 AM »
This particular Corsair II looks good enough to enter a scale contest.  However, here's a more general question about the scale bonus in Class I/II:

If a fuselage looks OK in top and side view, what about the contours?   If you only have 3-views (per the rules), there are no cross sections.  So in the extreme, you might build a square box fuse that religiously complys with the 3-view.  Has anybody ever addressed this?

Between the extremes of a perfect scale model and a square box, there is the gray area of a model that makes a token effort toward realistic contours.

Has anybody ever been denied the 100 points due to weak contouring?  Who's qualified to judge?
Paul Smith

Offline john e. holliday

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Re: Dave's Corsair II
« Reply #6 on: September 21, 2007, 10:42:37 AM »
Go read your rule book.  The Sterling Gaurdian did not follow contours, at least the four I built didn't.  There was always the argument about the width of the fuse on the scale MO-1's.  The Devastator that was published in a national magazine was not given points one year because of the wing filets being tooo large.  Unless someone protests an entry it is only checked per the three views,  top, side and front.   I never knew that the Gaurdian was a two place(crew) until I picked up a scale magazine about it.  As in most of the cases, someone waits until it is too late to file a protest.  We had a good one a couple of years ago when the fuel tanks were exposed on the outboard side of MO-1's that had flown in several NATS prior to the protest.  The real stickler in scale carrier is outline, color, dehidral and landing gear place ment.  Enough said,  DOC Holliday
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline eric conley

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Re: Dave's Corsair II
« Reply #7 on: September 21, 2007, 04:08:24 PM »
My thoughts:

Offline john e. holliday

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Re: Dave's Corsair II
« Reply #8 on: September 25, 2007, 09:06:54 AM »
There is less than five days for a proposal to be put in.  Maybe next cycle in two years.  DOC Holliday
John E. "DOC" Holliday
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AMA 23530  Have fun as I have and I am still breaking a record.

Offline roger

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Re: Dave's Corsair II
« Reply #9 on: September 01, 2009, 07:16:09 PM »
dave
where can i get plans for this baby? %^@

Offline roger

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Re: Dave's Corsair II
« Reply #10 on: September 01, 2009, 07:26:08 PM »
or send to my e-mail at rmiata1@yahoo.com   

Offline john e. holliday

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Re: Dave's Corsair II
« Reply #11 on: September 01, 2009, 08:25:25 PM »
I don't know for sure, but,  that could be the one Bill Bischoff was building when I was over at his one year.  His was a converted R/C kit.  It was either Great Planes or Top Flite.  I have just checked the rules and no where does it say the plane has to have the same type power plant.  But, if he had put a jet in the plane it would have been limited to Class II only.  With the number of entries in carrier I would give him the 100 points if the plane matches the required three view.  Also in the rules it is stated that any parts that protrude from the fuselage must have clearances no larger than 1/4 inch all around.  If you can find  anything different, have at it as I just came from the AMA site carrier rules.  DOC Holliday
John E. "DOC" Holliday
10421 West 56th Terrace
Shawnee, KANSAS  66203
AMA 23530  Have fun as I have and I am still breaking a record.

Offline Dave Rolley

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Re: Dave's Corsair II
« Reply #12 on: September 01, 2009, 08:31:07 PM »
BTW, under the new contest board procedures, basic proposals are accepted until Dec 31.

Dave

Offline Dave Rolley

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Re: Dave's Corsair II
« Reply #13 on: September 01, 2009, 08:37:42 PM »
If Dave Eck's A-7 was built from a kit, it is likely the House of Balsa A-7 kit (no longer avail from HOB).  It looks about the right size.

Or perhaps, from Model Airplane News (which is what the HOB kit was developed from):

Category: Jets

Rich Uravitch’s 4-channel, A-7 Corsair is an aerobatic, .25-powered
semi-scale “jet” without the complexity of a ducted fan.

This eye-catching model can be built by anyone but requires
at least intermediate flying skills.

WS: 35.5 in.;
L: 36.75 in.;
engine: .19 to .28ci; 3 sheets.

X01951 19.95

Dave

Offline Clancy Arnold

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Re: Dave's Corsair II
« Reply #14 on: September 02, 2009, 06:48:47 AM »
Doc, Dave
You are both wrong.  LOL
The rules proposals have to be submitted electronically by March 15, 2010.

Download the form from the AMA web site, type in your proposal and send it as an attachment to an Email to: michelle@modelaircraft.org.

Clancy
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U/Control with electronics added.

Offline Mike Anderson

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Re: Dave's Corsair II
« Reply #15 on: September 02, 2009, 11:27:20 AM »
Just for everyone's info - Doc's message pertaining to rules proposals was from 2007 -- This whole discussion is two years old, although I'm in agreement that the plane being discussed is quite nice and would be a welcome sight at any contest.  The parts pertaining to rules and proposals are, for the most part any way, no longer relevant due to changes in the rules timetables.
Mike@   AMA 10086
Central Iowa

Offline Dave Rolley

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Re: Dave's Corsair II
« Reply #16 on: September 02, 2009, 03:28:03 PM »
Guess I need to look at dates in the headers before I reply.  Thought I was reading a current thread.

Clancy, I'm probably wrong on the closing submission date.  But what I posted was what was in Appendix C to the Contest Board Procedures on the AMA web site on the day I posted.

It wouldn't be the first time the AMA has had the incorrect information on their website concerning the Competition Regulations. 

Hopefully the information about the plans is correct.  It is from the MAN website.

Ain't link rot grand...

Dave

Offline Clancy Arnold

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Re: Dave's Corsair II
« Reply #17 on: September 02, 2009, 07:52:56 PM »
Dave
Do not feel bad, Keith Trostle got caught in that same thing, one place on AMA's web site says December 31 and another part says March 15, 2010.  I checked and March 15, 2010 is the correct date.
Clancy
Clancy Arnold
Indianapolis, IN   AMA 12560 LM-S
U/Tronics Control
U/Control with electronics added.

Offline Mike Keville

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Re: Dave's Corsair II
« Reply #18 on: September 05, 2009, 05:04:56 PM »
Dave Ek is a good friend of mine.  When we were kids we flew together in No. Illinois, 1961-62.  He placed 10th in Senior Stunt at the '62 Nats, Glenview NAS (and was FAR from last).  Today he is a retired Marine Corps Lt Col (aviator).  You will not find a more fun-loving guy than Dave Ek when it comes to CL model aviation.  He is an innovator who would rather "march to a different drummer" than collect trophies....and is a fun guy to be around.  Also, unlike me, he is quiet, modest and unassuming.  If you ever get a chance to meet Dave Ek, you'll like him!
FORMER member, "Academy of Multi-rotors & ARFs".


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