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GIANT 150" Ziroli Stuka BUILD THREAD

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GIANT 150" Ziroli Stuka BUILD THREAD

Old 07-02-2013, 06:52 PM
  #101  
pahtreek
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Default RE: GIANT 150

I will say I love the uniqe-ness of the stuka. It just looks bad ass. I just hope I can get mine in under 60lbs... not looking likely at this point!
Old 07-07-2013, 07:54 AM
  #102  
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Default RE: GIANT 150

Pahtreek,
Do you still have your P-40? I have one that I started about 6-7 yrs ago and the fuse is framed up with the top half sheeted. Anyhow I am going to get back to work on it this winter and finish it up. I was wondering how you like the plane and how does it fly and handle on the ground?
Later!!
Anthony
Old 07-07-2013, 09:44 AM
  #103  
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Default RE: GIANT 150

My P-40 I sold after 12 years to a friend. It flew fantastic after I added a little nose weight. I figured I got 12 years out of it, so I sold it for money to build the hellcat I am flying now.

You will really have fun with the p-40, I do remember mine took lots of right thrust.

Old 07-07-2013, 10:09 AM
  #104  
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Default RE: GIANT 150

Bomb drops are done. I thought it a good idea to post how I make my bomb drops. The good thing is that with this method, you can make them hang down as long as you like. You just have to make the 4-40 rod that comes out the top longer. Very good for P-47 tank pylons. This method lets you make a very dependable, bullet proof release that can hand down below the wing as far as you need. It only costs less than 5 bucks and unlike many manufacturers of plastic releases it will never wear out.

When I make the part "B" for the bombs I will take some pics. I just take some 256 wire and make a u shape. I run it vertically thru the entire nerf football and "hook the ends" so it never pulls out. The think I like about these nerf bombs is each one has 3 whistles, it sounds AWESOME when 4 or 5 are dropping from a couple hundred feet high and you can hear 20 whistles, it is very realistic.

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Old 07-07-2013, 10:33 AM
  #105  
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Default RE: GIANT 150

Thanks for the tips on the P-40.

I really like your bomb drop mech.
Anthony
Old 07-08-2013, 04:49 PM
  #106  
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Default RE: GIANT 150

Thanks. It works so well, I am a bit proud of coming up with it.

Oh yeah, on your p-40, get the gear as far forward as you can. Mine let you set the gear to rotate 110 degrees. You cant really notice, but it will really reduce the noseovers! ...missing my P-40.

FYI, I made a couple cool videos a few years back. Just youtube "patrick mclaughlin p-40" and "patrick mclaughlin stuka"

Old 07-08-2013, 04:50 PM
  #107  
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Default RE: GIANT 150

I have seen the video's, very nice.
Sending you a PM now.
Anthony
Old 07-13-2013, 06:31 AM
  #108  
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Default RE: GIANT 150

Awesome build. I love seeing guys still building.
Old 07-15-2013, 10:48 AM
  #109  
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Default RE: GIANT 150

Got my wheels in today! They are so much lighter than the others! They have a 250lb max load and are about a pound each. Not too shabby. I will paint the grey black after I take off most of the tread.

It was not easy finding a manufacturer of a light wheel like this, but they are perfect. Most of the wheel is hidden by the wheelpants, so I really dont care what they look like!
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Old 07-15-2013, 01:24 PM
  #110  
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Default RE: GIANT 150

Patrick,

You should be proud of that bomb release it is a great design.  Shoot I am proud just to know you on that one!

Forest
Old 07-15-2013, 01:46 PM
  #111  
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Default RE: GIANT 150

Have you picket out what type of engine will go in her as yet
Old 07-16-2013, 07:20 AM
  #112  
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Default RE: GIANT 150

I REALLY want a Kolm, inline 3 cylinder, FOUR STROKE, 150cc gas engine. Have to save up for that one. It is like $3,200 euro's (which with our crappy dollar is about $4,400 dollars). That is my first choice, after that, I may try to find a 3W 150cc inline (they dont make them anymore).

Unless you know of anyone else that makes an inline 150cc-180cc engine??
Old 07-16-2013, 12:42 PM
  #113  
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Default RE: GIANT 150

Ha Ha Forest! You know me...(toot-toot), never miss an opportunity to toot my own horn! lol
Old 07-16-2013, 03:21 PM
  #114  
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Default RE: GIANT 150

This such a amazing project, and being done right .. I can't wait to see it all assembled, painted, and flown !
Old 07-19-2013, 06:01 AM
  #115  
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Default RE: GIANT 150

Thanks! I took a couple pics of the almost finished landing gear. They are still much lighter than retracts, but I need to find a better way of incorporating springs (this one is too weak, and a bit heavy). I think I am going to use compression springs on the other side... I am still trying to find some giant RC truck shocks. That would be the best solution.
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Old 07-19-2013, 05:46 PM
  #116  
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Default RE: GIANT 150

Pahtreek,
Try looking for some springs for rear brakes on an automobile drum brakes. They are very stout and usually have a shorter coil with long leads. Would save weight and would also be stronger. I just happen to have a new set for my truck and those things are tough.
Just a thought!!
Anthony
Old 07-19-2013, 08:51 PM
  #117  
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Default RE: GIANT 150

Love the build, just thought i'd add some info from a welders point of view. I have TIG'ed ali for many things but generally only down to 1.6mm. Stainless down to 0.5mm. Now as a previous poster said, you are going to need a very small tungsten and possibly a system of purging the back of the weld.
Ali is a pain to weld due to it not changing colour when hot, everything looks fine then poof, you have a puddle of silver water, or a hole etc.
Also not to be forgotten is the loss of temper plus heat induced distortion of your frames.
At my company we had a job to do a lot of sheet ali panels, curved form, on angle frames. These panels were 1 metre wide by 3 metres long, with the last metre curved up at 90 deg. Welding the sheet to the support frame was out of the question due to size, manhandling etc, distortion......
So, we went for industrial adhesives. A two part chemical mix that is automatically regulated and mixed via a swirl nozzle. Purple in colour, just thicker than water, stinks really nice, called Adloc adhesive product AD-009. Loctite also do something similiar called Hysol 9462.
These glues are specifically suited to joining similiar/dis-similiar metals etc. However, as with all techy things, prep plays a big part. Removal of surface oxides by de-greasing that leaves no oily film, abrading via sanding or fine blasting will really ensure a good bond.
The great thing with this system is that its a "cold" system. No heat to distort, melt etc so no specialised equipment cost either.
About 200 of our panels are still up in the air, over traffic and pedestrians nearly 10 yrs on. So i know it sticks!!! I actually carried out a destructive test before using the Adloc en masse. I glued the last 2" of two 10" by 2" wide strips of 1.6mm thick ali together. Twelve hours later, i put one end of one strip in a vice and pulled on the other free end. It held. I got a big g clamp and clamped this on the free end,hooked a lifting chain through the clamp and attatched our forklift to the other end of the chain. The forklift dragged the bench with the vice across the floor. So we did a snap test and floored the forklift. The g clamp piece of ali sheared just past the foot of the clamp, but the joint held firm. Impressive stuff.
I hope this gives you some insight and possible help.
Old 07-20-2013, 04:24 PM
  #118  
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Default RE: GIANT 150

Thanks Nick, I will try that stuff if I have trouble screwing it together. I dont know how well I will be able to drill a pilot hole and hit the arch brace on the backside dead center. We will see.
Old 07-22-2013, 05:51 AM
  #119  
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Default RE: GIANT 150

Thanks Anthony, very good idea. I am going to do that. Maybe PEP boys or Napa carries just the springs...
Old 08-30-2013, 03:58 PM
  #120  
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Making progress, should be ready to glass soon.
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Old 09-02-2013, 03:13 PM
  #121  
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Pahtreek it looks really good,
Did you find some springs that would work for you?
Later!!
Anthony
Old 09-02-2013, 03:33 PM
  #122  
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Looking at Stuka and your daughter next to the plane you really
begin to realize how big your stuka really is... No matter when you
show up at the field this will draw the crowed over to your plane to
watch and admire...
Old 09-10-2013, 06:04 PM
  #123  
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No, have not looked for any springs yet. I have been fitting servo's in the wing. I have to sheet the center section of the wing and the bottom of the fuse, then I can start glassing. After I get everything sheeted, I am going to build the gear again. It doesnt take long with my welder.

I think I have decided on an enigne. As much as I want the Kolm 3 cylinder 4 stroke engine, I cant bring myself to fork out 5k when I can get a ZDZ 210 inline twin for 2k. It may not sound as good as the kolm, but I can do a lot with the 3k I would save. I might order the engine tomorrow.
Old 09-10-2013, 06:04 PM
  #124  
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Thanks Mike,
I am definitely staying motivated! As long as I do a little each day, it will get done sooner rather than later...
Old 09-16-2013, 12:22 PM
  #125  
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Default Horizontal stab? elevator thingy?

I too am building the Stuka. Right now I'm trying to figure out how to model the things on the stab...not sure what purpose they serve. Do your plans show them? Bill
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