News:


  • May 24, 2024, 02:16:57 PM

Login with username, password and session length

Author Topic: Latest project  (Read 1863 times)

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Latest project
« on: June 11, 2017, 12:25:21 AM »
Started back in the hobby last year after a near 30 year layoff.  Built 3 and started a 4th last year, which I recently completed.  Had a Flying Fool kit I was going to do.  Wood was awful. Terrible wood, very heavy, parts were more crushed out than cut out.  Eventually decided to scale it up 25%, extended the top wing a further rib on each side, added flaps, 3 line throttle, etc.  Completed weight with a Thunder Tiger 46RC with expansion muffler came in at 50.5oz.  Traditional silkspan covering/dope finish.  Im old school.  2 flights on it at this point, very conservative flights.  Its over powered and at max power is clearly faster than my 29oz Shoestring Stunter with a Fox 35.   A more in depth flight test coming next week.
A Bones shot.  This was with my original struts. Top wing was closer to Fuselage than it should have been due to some distortion in the pattern I was working from.

Almost done (still had to complete lead outs





The cowl is made from a cut down plastic bowl I got at the dollar store!   Note that the lower flaps really act as actuators for the upper flaps.  Havent explored stunts yet, but this thing is so stable in level flight its like its on rails.  Found a site called Tinypic that I was able to upload pics with.   Im calling it the Super Fool.  Painted it after a Navy PT-17 trainer.
Every piece of wood weighed less than its original counterpart, despite being larger and in many cases a bit thicker.  The struts I made as laminates, 3/32 balsa cores glued between 1/64th ply.  They were a third lighter than the original solid 1/8" ply struts.
Completed!

« Last Edit: June 11, 2017, 12:50:31 AM by Gary Dowler »
Profanity is the crutch of the illiterate mind

Offline gene poremba

  • 24 supporter
  • Trade Count: (0)
  • Commander
  • *
  • Posts: 328
Re: Latest project
« Reply #1 on: June 11, 2017, 05:26:40 AM »

 Very nice! Let us know once you start stunting with it how it performs. I like the looks of it.....Gene

Offline Paul Taylor

  • 24 supporter
  • Trade Count: (0)
  • Admiral
  • *
  • Posts: 6074
  • If God is your Co-pilot - swap seats!
    • Our Local CL Web Page
Re: Latest project
« Reply #2 on: June 11, 2017, 06:32:25 AM »
Very Cool.
I always like the FlyingFool.
Paul
AMA 842917

Tight Lines = Fun Times

Offline Avaiojet

  • 22 supporter
  • Trade Count: (0)
  • Admiral
  • *
  • Posts: 7468
  • Just here for the fun of it also.
Re: Latest project
« Reply #3 on: June 11, 2017, 06:42:12 AM »
Gary,

Welcome back to the hobby and the Forum.

I see you solved your photo issues. Great!

You did an excellent job on your scratch built model.  H^^

Nicely finished and all.

I'm guessing, is that a metal cowling?

I'm old school also in many ways, but I don't use colored dope.

Hats off to anyone that works with colored dope and does it well.  H^^

CB
Trump Derangement Syndrome. TDS. 
Avaiojet Derangement Syndrome. ADS.
Amazing how ignorance can get in the way of the learning process.
If you're Trolled, you know you're doing something right.  Alpha Mike Foxtrot. "No one has ever made a difference by being like everyone else."  Marcus Cordeiro, The "Mark of Excellence," you will not be forgotten. "No amount of evidence will ever persuade an idiot."- Mark Twain. I look at the Forum as a place to contribute and make friends, some view it as a Realm where they could be King.   Proverb 11.9  "With his mouth the Godless destroys his neighbor..."  "Perhaps the greatest challenge in modeling is to build a competitive control line stunter that looks like a real airplane." David McCellan, 1980.

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #4 on: June 11, 2017, 04:38:48 PM »
The Tupperware cowl



Trimmed the rim off


test fit


Cut to fit engine


After this it was just surface prep so dope would stick to it and paint.
Profanity is the crutch of the illiterate mind

Offline Avaiojet

  • 22 supporter
  • Trade Count: (0)
  • Admiral
  • *
  • Posts: 7468
  • Just here for the fun of it also.
Re: Latest project
« Reply #5 on: June 11, 2017, 04:57:33 PM »
Gary,

I see your photos. Photo two shows a bowl that is flared, larger at the opening. The bowl on the cowling is different in shape, the opening is the same size as the front.

How did you manage that?

CB
Trump Derangement Syndrome. TDS. 
Avaiojet Derangement Syndrome. ADS.
Amazing how ignorance can get in the way of the learning process.
If you're Trolled, you know you're doing something right.  Alpha Mike Foxtrot. "No one has ever made a difference by being like everyone else."  Marcus Cordeiro, The "Mark of Excellence," you will not be forgotten. "No amount of evidence will ever persuade an idiot."- Mark Twain. I look at the Forum as a place to contribute and make friends, some view it as a Realm where they could be King.   Proverb 11.9  "With his mouth the Godless destroys his neighbor..."  "Perhaps the greatest challenge in modeling is to build a competitive control line stunter that looks like a real airplane." David McCellan, 1980.

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #6 on: June 11, 2017, 06:05:52 PM »
You know, I don't know exactly how to explain that.  There is some taper to it, but I think the first pics somehow exaggerated the degree of taper. It really isn't tapered anything close to that amount.
Profanity is the crutch of the illiterate mind

Offline wwwarbird

  • 2016 supporter
  • Trade Count: (0)
  • Admiral
  • *
  • Posts: 7987
  • Welcome to the Stunt Hanger.
Re: Latest project
« Reply #7 on: June 11, 2017, 08:06:10 PM »

 Neat plane, what did the overall wingspan come out to?

Narrowly averting disaster since 1964! 

Wayne Willey
Albert Lea, MN U.S.A. IC C/L Aircraft Modeler, Ex AMA member

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #8 on: June 11, 2017, 08:56:13 PM »
wwwarbird,  its right at 45"
Profanity is the crutch of the illiterate mind

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #9 on: June 25, 2017, 02:22:54 AM »
Ok new question for the more learned members here. As this is my biggest aircraft ever I was working somewhat in the dark in a few areas. My main concern is regarding my choice of engine. As the original post explains it's an enlarged Flying Fool. 45" wing, 540 sq in, 50 oz with Thunder Tiger 46 rc with expansion muffler.
It's apparent that this engine possesses more power than this plane needs. It seems to fly pretty well at about 2/3 throttle, going right up through wingovers without a hitch.
The question before the court is this, given its size/weight what might be an appropriate size engine to replace the 46?  I can likely simply limit the throttle I suppose, but then it's just lugging around extra weight.
Thoughts??
Profanity is the crutch of the illiterate mind

Offline Garf

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1817
    • Hangar Flying
Re: Latest project
« Reply #10 on: June 25, 2017, 01:32:37 PM »
A strong 35 or a mild 40 would work fine. The original Flying Fool liked to lose the top wing, so be careful about hard landings.

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #11 on: June 25, 2017, 02:30:04 PM »
A strong 35 or a mild 40 would work fine. The original Flying Fool liked to lose the top wing, so be careful about hard landings.
I took, shall we say, precautions regarding potential loss of the top wing during construction. So something like a OS 35 might do it? 
Profanity is the crutch of the illiterate mind

Offline wwwarbird

  • 2016 supporter
  • Trade Count: (0)
  • Admiral
  • *
  • Posts: 7987
  • Welcome to the Stunt Hanger.
Re: Latest project
« Reply #12 on: June 25, 2017, 08:17:55 PM »
 I would say a bone stock O.S. .40 LA or FP would be perfect for this model.
Narrowly averting disaster since 1964! 

Wayne Willey
Albert Lea, MN U.S.A. IC C/L Aircraft Modeler, Ex AMA member

Offline Gary Dowler

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 1020
Re: Latest project
« Reply #13 on: June 25, 2017, 09:54:28 PM »
I appreciate the input guys!  I have a K&B 40 that might work, or I'll look for another engine. It will help with weight as well, that Thunder Tiger 46 is a pretty heavy motor.
Profanity is the crutch of the illiterate mind


Advertise Here
Tags:
 


Advertise Here