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Author Topic: Doug Stout's Arrow Canard build (split off from the Stunt kite design tool)  (Read 20096 times)
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Doug S
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« Reply #210 on: June 22, 2014, 09:39 AM »

Decided to take my entire Bird of Prey (BOP) single line glider kite family outside for a group picture.  Cheesy

  Front Row:  Original BOP 24 made with black PC31.

  Second Row:  Ultra-light BOP 24s made with white Cuben.

  Third Row:   Ultra-light BOP 24s made with orange Cuben and CST DPP Carbon frames (Hollow and Solid).

  Four Row:  Ultra-light BOP 48 made with orange Cuben and ultra-light BOP 36 made with white Cuben.

  Rear and standing:  BOP 62 and BOP 48 in the stealth fighter pattern layout, and BOP 48 in the bird pattern layout.

Link to higher resolution picture:  https://drive.google.com/file/d/0B_TPx1W-lkmSWFd0MDBwb0F5a1U/edit?usp=sharing

Later,

Doug
« Last Edit: June 25, 2014, 07:30 AM by Doug S » Logged

"We never really grow up, we only learn how to act in public."
Doug S
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« Reply #211 on: June 25, 2014, 06:46 AM »

One our fellow kite building enthusiasts asked how to print the Bird of Prey 48 plans to smaller paper.  I found the following link that allowed me to print to letter or A4 size paper.

http://helpx.adobe.com/acrobat/kb/print-posters-banners-acrobat-reader.html

The key settings that I used are as followings:

    Tile Scale:  Leave this at 100%, otherwise you will change the size of the kite.
    Overlap:  I set this to 0.5 inches, since the printer cannot print to the edge of the paper.
    Cut marks:  Check the box, since these marks will help you align the pages.
    Labels:  Check the box
    Tile only large pages:  Check the box

The actual Bird of Prey 48 plans are full size and setup to print to a large printer, which uses a roll of 30 inch wide paper.  I am aware that other kite building enthusiast print out their full size plans at Kinkos.

Later,

Doug
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Doug S
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« Reply #212 on: July 13, 2014, 09:41 AM »

Building a few Birds of Prey (BOP) for others.  The attached picture is a BOP 36 on its way to the west coast.  Grin

Later,

Doug
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Doug S
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« Reply #213 on: July 13, 2014, 09:48 AM »

Kurtis Jones posted the following fun fly on Facebook, which I hope to attend:

Flash Fly - " Its a Great Day to Fly Kites "

A unofficial kite event, no sponsors, no sound, no registration, no boundaries, no competition, no pressure, no money needed.

Come with any kind of kite and any kind of people.  Make a kite, dig out that old dusty kite from the attic, buy a new kite, borrow a kite (OPK), share a kite, whatever.  Just get your hands on a kite.

This is an unofficial event.  You are responsible for everything including having a good time.

When:  July 19, 1pm
Rain Date:  July 20, 1pm
Location:
  The New Overpeck Park
  Fort Lee Road
  Leonia, New Jersey
  https://www.google.com/maps/@40.8571465,-74.0089872,19z
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Doug S
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« Reply #214 on: July 15, 2014, 09:34 AM »

I am trying to finish a very nice Bird of Prey (BOP) 48 for a local kite flyer, but my Singer 645 is acting up again.  The test zigzag stitching on scraps of PC31 showed the lower part of the stitch was loose, but not at every stitch, which is very strange.  It doesn't do this when I sew straight stitches.  Tried to adjust the lower tension at the bobbin, but that didn't make a difference.  Now the thread is getting caught around the bobbin case.  It appears the original position bracket is not holding the bobbin case in place.  Ordered some replacement parts and the service manual from Sewing Parts Online.  Will also service the top tension system and try a different bobbin.  It was a late night with no foward progress.  Are we having fun yet?  Roll Eyes

The good news is that the BOP 48 will not be touched by this Singer 645 until this problem is fixed.   Smiley 

Later,

Doug
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stapp59
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« Reply #215 on: July 15, 2014, 10:49 AM »

I had some weirdness with my Pfaff for a while: dropped stitches, occasional jams, tension issues.  Very annoying. Took off the foot plate and covers around the hook area and found loose thread pieces and such that needed cleaned out.  Much better now.  Hope you find whatever it is...
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Steve in Indiana
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Doug S
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« Reply #216 on: July 16, 2014, 07:58 AM »

Thanks Steve.  The Singer 645 had very little use before I acquired it from a family member, which may be part of the problem.  Other than being an older machine, its like brand new regarding wear and tear.

No loose threads below the foot plate, other than the mess I made a couple of times when it jammed.  Opps  Embarrassed  For some unknown reason, the bobbin case seems to be binding a little in the rotating hook, but I didnt see any burs in the guides.  I polished and oiled the guides and it appears to be better.  Waiting for a new position bracket that holds the bobbin case in the back, which was bent and I broke the tip off trying to straighten it.  Opps again.  Embarrassed  It was a chrome plated cast piece of steel, where the one in my Singer 604 is a stamped piece of steel.  The replacement is a stamped piece of steel.  I also will replace the bobbin tension spring arm, which appears a little weak because it's not allowing me to apply enough tension on the bobbin.

There is a great website to trouble shoot sewing machines at:  http://www.tandtrepair.com/index.html.  One of the articles indicates the upper tension system maybe where my problem is with this machine.  I took apart the upper tension section of the machine last night and saw a little residual film on the tension disks.  I cleaned them with alcohol, but they are still dull.  Tonight I will polish the tension disks.  The tension indicator knob is made of cast aluminum with a steel set screw.  After loosening the set screw, it took the aluminum treads with it.  Will tap out the hole and use a slightly larger set screw.  Also order the complete assembly just in case.  Most of the new parts are interchangeable between my Singer 604 and 645, which is why I am investing so much time to get the 645 working correctly.

Also ordered two new Teflon feet for my Singer 604 and 645 to give them a try.  Always wanted to be a sewing machine mechanic.  Cheesy  Are we having fun yet.  Wink

Later,

Doug
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stapp59
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« Reply #217 on: July 16, 2014, 06:44 PM »

Ugh on the machine problems.  Sad  I'd be tempted to find a good repair shop in your area and have them give it a good going over and test with some scraps of kite fabric.  Hard to build kites with an unreliable machine.  Cry

Unless you are having fun  Cheesy
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Steve in Indiana
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Doug S
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« Reply #218 on: July 17, 2014, 08:39 AM »

Steve,

My Plan B is to take the Singer 645 to a local shop that we trust.  Having three engineering degrees, and rebuilt a few car engines and the out drive on my power boat, the problem with the Singer 645 intrigues me, since its barely been used.  I am having fun, but if the new parts and a new setup following the service manual dont work, it will go in the shop.  I have sewn many kites since the 1990s with the Singer 604, and other than minor adjustments and maintenance, it has worked perfectly.  That is why I am willing to put the time and money into the Singer 645, since its one of the upper models in the old 600 series line and built like a tank.

My disappointment is that I am trying to finish the Bird of Prey 48 for Art, who is a local kite flyer.  The attached picture is of his kite before I glued the panels together.  It has a white nose that you can't see when placed on the pattern layout drawing.  If needed, I will locate another quality sewing machine that can perform the multi-step zigzag stitch to finish those stitches on Arts kite, then use the Singer 604 for the remaining straight stitches.  You are only as good as your tools.

Later,

Doug
« Last Edit: July 17, 2014, 08:46 AM by Doug S » Logged

"We never really grow up, we only learn how to act in public."
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