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Ultimate Mean Machine Slow Stick.

Old 09-13-2008, 02:41 AM
  #1  
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Default Ultimate Mean Machine Slow Stick.

OK so we did the build of the "Slow Stick Built Light Boomer's Way" so now it's time to see what we can come up with in a outrageous version. I have ordered the items and will be building this after the Mini Hawk is done however there are things I can do now so here goes. I have ordered a motor for the bird that develops 52oz of thrust and will be using my 3S 3300 20C Lipo for power. So far I have cut the motor mount reinforcing blocks after checking the thrust correction on my 42oz AP Version and got 6 degrees right and down. So the blocks were laid out on 1/4" ply and the side against the motor mount circle was cut on a 6 degree angle on my band saw so when assembled the thrust will be built in. If I need more I will add washers. Lipo tray was built my usual way out of 1/4" balsa backed with 1/64" ply and Velco added. and will be painted black along with the motor mount to match the fuse and CAed in place. I have added 2 zip ties for added insurance along with rubber band pegs to secure the heavy lipo along with the Velcro. LG is bent from 5/32" music wire and will be CAed and braided fish line wrapped to the fuse and soaked with CA and has 3" wheels with wheel collars. Pics attached. Wings and tail feathers will be reinforced with Carbon rods. The X-Gear is my favorite but will not take the weight of this monster.
boomer
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Old 09-13-2008, 02:51 AM
  #2  
Bub Steve
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Holy Slowstick'in Boomer'man!!!! to cool, I just backed down from a 480 outie, 4-cell lipo, to a 450& a 3-cell With 32 0z=thrust, But I ain't BUB BOOMER!!!!!you da man my bub, steve
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Old 09-13-2008, 02:56 AM
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Hi Boomer looking great so far, Enter you mean SS in the scratch build contest #2 Take care, Chellie

http://www.wattflyer.com/forums/showthread.php?t=38724
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Old 09-13-2008, 03:31 AM
  #4  
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Forgot to add the 3rd insurance Zip tie which is against the plywood. The other 2 bear on CA hardened balsa. BTW the notch in the fuse side of the tray is for clearing the front wing mount as the tray goes under the wing.
boomer
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Last edited by boomerace; 09-13-2008 at 04:53 AM. Reason: Typo
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Old 09-13-2008, 04:47 AM
  #5  
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Subscribed. Can't wait to see the rest of this build. Looks like it might be an ultimate AV SS to strap on a large video camera.
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Old 09-13-2008, 04:58 AM
  #6  
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A note on bending the LG. To bend the tight bend to fit the fuse requires heating the area red hot to prevent snapping the music wire. Ask me how I know. Rest of the bends are by clamping in a vice and using hammer while applying bending pressure to the music wire. Comes easy after the first few. You don't want heat on the other bends as it takes the spring (temper) out of the music wire.
boomer
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Old 09-13-2008, 12:28 PM
  #7  
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Old 09-14-2008, 09:31 PM
  #8  
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I'm sorry to say Jackie will not be shooting any more videos. Her balance has become so bad we can't take a chance on her falling. The last one was shot from her setting in a chair and she just can't follow the plane from a sitting position. So unless I can get one of the boys to shoot the occasional video that's it. Thanks all for all your intrest.
When this plane is finished one of my boys will shoot the maiden and that will probably be the last one.
boomer
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Old 09-14-2008, 09:50 PM
  #9  
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Good build Bub Boomer...
Nice job and good info. hope Jackie is ok.
look forward to your videos..
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Old 09-15-2008, 02:57 AM
  #10  
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Originally Posted by boomerace View Post
I'm sorry to say Jackie will not be shooting any more videos. Her balance has become so bad we can't take a chance on her falling. The last one was shot from her setting in a chair and she just can't follow the plane from a sitting position. So unless I can get one of the boys to shoot the occasional video that's it. Thanks all for all your intrest.
When this plane is finished one of my boys will shoot the maiden and that will probably be the last one.
boomer
Sorry to hear that Boomer, Best wishes to Jackiek, Take care, Chellie
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Old 09-16-2008, 04:10 AM
  #11  
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Steerable tail wheel ready to install. Made from a DuBro 1/2A nose wheel assembly.
CAed and black zip tied to fuse for attachment. Run from Rudder Servo.
boomer
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Old 09-16-2008, 09:47 PM
  #12  
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subscribed.

I just love boomers creations.
You are a big influence to many of us.

Thank you very much!!!!

Pat
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Old 09-19-2008, 04:24 AM
  #13  
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Reinforced fuse with 5/16" X 24" Basswood insert after sanding off right angle edges so it would fit rounded corner inside of fuse. Tight fit and soaked with thin CA after install to harden Basswood and anchor in place. Insert just goes past fuse joining point. Drilled out holes in joining plate to fit screws intended for stab install as won't be used there. Installed nuts with Locktite and cut off excess with Dremel cutoff wheel. Cut Fin from Rudder and Cut 45 degree angle on Rudder (See Foam Hinging Tutorial in Stickys). Cut 1/16" plywood side plates to mount fin in center of fuse and 1/8" balsa spacers. Thick CAed fin side plates to fuse after sanding fuse in attachment area and CAed balsa spacers to fin. Sanded balsa spacers to provide tight slide in fit between the plates and thin CAed after install. Masked off fuse and painted fin and ply black. CAed 1/4" wing spacer to read wing support and painted.
boomer
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Old 09-19-2008, 04:44 AM
  #14  
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BTW the 5/16" square X 24" basswood sticks are available here and are a perfect fit for inside the Fiberglass Fuse
http://www.carpediemstore.com/viewIt...idProduct=2632
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Old 09-20-2008, 05:49 AM
  #15  
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Installed Plywood Motor mount and Epoxied in place. Tiny Carbon rods are guides so when Epoxy is applied the mount will slide into the correct position automatically. Rods cut off flush after Epoxy hardened. Painted Motor mount assembly. LG thick CAed in place and wrapped with braided fish line and soaked with thin CA. Tail wheel installed with Zip ties and CAed in place with thin CA. 1/64" plywood reinforcing CAed to each side of Elevator & Rudder for Control Horns. Using my homemade install template for hole location drilled 1/16" holes and installed DuBro 2 prong Control Horns. Covered Plywood with some Monocote Yellow Trim. More later.....
boomer
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Old 09-21-2008, 12:44 AM
  #16  
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Getting there slowly..... Servos thick CAed to fuse after roughing up servo and fuse attachment area with sandpaper. Rudder/Tail Wheel control rods installed and tested. Motor installed tested with Power meter. With 10 X 5 APC E prop readout was [email protected] after 3300 3S Lipo stabilized. Estimated weight after weighing all components was 32 to 34 oz If 32 oz power would be 130 W/lb if 34oz power would be 122 W/lb or very fast vertical since 100 W/lb gives vertical. Comments welcome or is anybody out there???
boomer
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Old 09-21-2008, 02:20 AM
  #17  
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It's starting to look pretty darn mean!
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Old 09-22-2008, 04:15 AM
  #18  
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Tool blocked now waiting on carbon rod delivery on Tuesday. Fuse is done other than stab/elevator and it's painted ready to install as soon as I get the flat carbon for reinforcing. Here it is ready for a taxi test for tracking.
boomer
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Old 09-24-2008, 02:40 AM
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Carbon Rods came in last night so here we go. Flat carbon CAed to Stab and Stab/Elevator hinged and CAed in place and holes drilled and reinforcing screwed to fuse. (Note: I drilled 3 new holes for better holding.) !/8" carbon Rods cut to length and CAed into dihedral tubes. One of the dihedral tube holes was perfect but the other 2 had to be drilled out a tiny amount to 1/8".
Trimmed foam so dihedral tube fit in opening provided and rod end areas so rods fit properly. Using small pieces of tape I positioned rod and ran a bead of thick CA between the rod and the wing and hit with accelerator and final taped with clear packing tape with 1/2 on top of wing and other half under wing. GG reinforcing was installed through center rib and thick CAed to bottom of wing along the 4-1/8" CG Point and then covered with Extreme Packing Tape. Wing was then painted black on the bottom without masking as tape can pull off covering. I lay wing on spraying surface and holding the spray can so the spray is at a low angle to the wing I spray 1/2 the wing toward the edge so the over spray is away from the edge. I then turn the wing around and do the other half. No spray gets on the top when done this way. Taxi Tests and range check OK so as soon as wing paint is totally dry. Tomorrow I will do final assembly and balancing.
boomer
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Old 09-24-2008, 03:17 AM
  #20  
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Good news is my AUW estimate was right on. Wing now dry enough to weigh plane. AUW is 33.2oz which gives me 125.3W/lb. Looks like wing loading is 9.5oz/sq ft. Anything 10 or below is good trainer.
boomer
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Old 09-24-2008, 04:54 AM
  #21  
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Thanks Boomer this is looking awesome. I was wondering how to do that wing strengthening mod. A picture is worth a thousand words. Now I just need to find a spare aluminum dihedral tube somewhere.
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Old 09-24-2008, 05:47 AM
  #22  
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Originally Posted by BatteriesIncluded View Post
Thanks Boomer this is looking awesome. I was wondering how to do that wing strengthening mod. A picture is worth a thousand words. Now I just need to find a spare aluminum dihedral tube somewhere.
Brass tubing works as well and just bend to shape over a round object about the size of a pencil or just a little bigger.
boomer
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Old 09-24-2008, 02:39 PM
  #23  
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Originally Posted by boomerace View Post
Brass tubing works as well and just bend to shape over a round object about the size of a pencil or just a little bigger.
boomer
I just found the dihedral braces at Horizon Hobby and Red Rocket Hobby
for .38 cents. Cheaper than brass tubing (I have some but it's too large in diameter to fit my CF).
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Old 09-24-2008, 07:38 PM
  #24  
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Originally Posted by BatteriesIncluded View Post
I just found the dihedral braces at Horizon Hobby and Red Rocket Hobby
for .38 cents. Cheaper than brass tubing (I have some but it's too large in diameter to fit my CF).
Thanks. That sure beats trying to bend one out of brass.
boomer
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Old 09-24-2008, 10:29 PM
  #25  
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OK here's the final Pics. Video will be posted of the Maiden when I can fly it.
boomer
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