RCU Forums
0 2020/04/17 20:52:54
0 2025/01/20 12:53:12
0 2020/04/17 20:53:57
0 2020/04/17 20:54:02
0 2020/05/02 14:55:31
0 2020/05/02 14:55:40
0 2020/05/02 14:55:46
0 2020/05/02 14:55:52
Front and rear wing mounts in fuse, drilled. Blind 1/4-20 nuts (not visible) on top sides of mounting blocks.
Front and rear wing mounts in fuse, drilled. Blind 1/4-20 nuts (not visible) on top sides of mounting blocks.
0 2020/05/08 10:27:55
Center wing section mounted to fuse. Can see head of 1/4-20 bolts in rear mount positions.
Center wing section mounted to fuse. Can see head of 1/4-20 bolts in rear mount positions.
0 2020/05/08 10:29:10
Front and rear wing mount blocks installed in wing.
Front and rear wing mount blocks installed in wing.
0 2020/05/08 10:31:16
Front wing mount blocks installed in fuselage.
Front wing mount blocks installed in fuselage.
0 2020/05/08 10:35:45
Top view showing the left wing front mount block - notches to fit between wing spars, cable/hose through hole and bolt hole. Bolt hole is counter bored from bottom.
Top view showing the left wing front mount block - notches to fit between wing spars, cable/hose through hole and bolt hole. Bolt hole is counter bored from bottom.
0 2020/05/08 10:40:50
Bottom view, left wing front mount showing counter bore.
Bottom view, left wing front mount showing counter bore.
0 2020/05/08 10:45:45
0 2020/05/09 18:00:43
Here's the box I created on the rear, left hand portion of the belly pan, filled with epoxy/micro-balloon mixture, with the box top ready to go on, off to the right.
Here's the box I created on the rear, left hand portion of the belly pan, filled with epoxy/micro-balloon mixture, with the box top ready to go on, off to the right.
0 2020/05/24 10:32:01
0 2020/05/24 10:32:09
By laying a flat edge across the curved edge that meets the wing, I can turn the blocks to match the wings curvature.
By laying a flat edge across the curved edge that meets the wing, I can turn the blocks to match the wings curvature.
0 2020/06/06 11:02:22
Yes, the front mounting blocks are a bit precarious. I wanted to leave the center section as open as possible, for passing wires, hoses, possibly (later) installing a smoke pump and tank...open leaves options. I have some 1/8" bass wood sheeting - will make strips of sheeting that go across ribs 1 ad 2, under the mounting blocks, or one strip that goes from left rib 2 t right rib 2. I think I'll also run a screw through this strip into each block and add some reinforcing triangular stock.
Yes, the front mounting blocks are a bit precarious. I wanted to leave the center section as open as possible, for passing wires, hoses, possibly (later) installing a smoke pump and tank...open leaves options. I have some 1/8" bass wood sheeting - will make strips of sheeting that go across ribs 1 ad 2, under the mounting blocks, or one strip that goes from left rib 2 t right rib 2. I think I'll also run a screw through this strip into each block and add some reinforcing triangular stock.
0 2020/06/23 15:27:50
4 screws, flush. Happy-happy!
4 screws, flush. Happy-happy!
0 2020/06/23 15:27:56
0 2020/06/28 15:56:34
0 2020/11/29 15:21:19
Gap after installing filler.
Gap after installing filler.
0 2021/01/13 15:45:52
Left aileron - gap created from using scale-like aileron design.
Left aileron - gap created from using scale-like aileron design.
0 2021/01/13 15:45:56
There are a couple closed foam 'plugs' for the nose of the drop tank. This one, for the top half of the tank, needed some filler. Also, needed to sand the flat side that faces the center of the tank, to ensure there was room for the frame to sit flush with the edge of the tank half.
There are a couple closed foam 'plugs' for the nose of the drop tank. This one, for the top half of the tank, needed some filler. Also, needed to sand the flat side that faces the center of the tank, to ensure there was room for the frame to sit flush with the edge of the tank half.
0 2021/02/13 17:56:06
The tank is made of ABS - it's a bit floppy. I used 5 min. epoxy to glue the frame to the top half of the tank. Did this in 4 sections, holding each by hand: Nose to front frame brace, left side (top of pic); nose to front frame brace, right side (bottom of pic); frame brace to end of frame, right side; frame brace to end of frame, left side. Foam plug is loose.
The tank is made of ABS - it's a bit floppy. I used 5 min. epoxy to glue the frame to the top half of the tank. Did this in 4 sections, holding each by hand: Nose to front frame brace, left side (top of pic); nose to front frame brace, right side (bottom of pic); frame brace to end of frame, right side; frame brace to end of frame, left side. Foam plug is loose.
0 2021/02/13 17:56:14
0 2021/02/13 17:56:18
Frame glued in place, plug loose. Instructions have one glue the plug in place, first, leaving space for the frame; then, glue the frame in. I found this too awkward, as the ABS was so flexible. Trying to hold the plug in place, keeping a gap for the frame...just thought it too was to easy to end up with a misshaped tank. Drizzled thin 30min epoxy between the ABS and plug, spread it well, including between the frame and plug.
Frame glued in place, plug loose. Instructions have one glue the plug in place, first, leaving space for the frame; then, glue the frame in. I found this too awkward, as the ABS was so flexible. Trying to hold the plug in place, keeping a gap for the frame...just thought it too was to easy to end up with a misshaped tank. Drizzled thin 30min epoxy between the ABS and plug, spread it well, including between the frame and plug.
0 2021/02/13 17:56:23
Once the epoxy is drizzled in and spread, pushed the plug forward and laid a bead of 5min epoxy to form a fillet between the plug and ABS - its secured.
Once the epoxy is drizzled in and spread, pushed the plug forward and laid a bead of 5min epoxy to form a fillet between the plug and ABS - its secured.
0 2021/02/13 17:56:28
0 2021/02/13 17:56:33
Release mounting plates installed. Need to balance, epoxy the nose pieces in place, then ready for finishing.
Release mounting plates installed. Need to balance, epoxy the nose pieces in place, then ready for finishing.
0 2021/02/28 11:17:41
7/16" dowel posts and a balsa box.
7/16" dowel posts and a balsa box.
0 2022/02/08 15:22:23
Bottom of dowels epoxied and screwed.
Bottom of dowels epoxied and screwed.
0 2022/02/08 15:22:32
Drop adapter attached by screws into wood dowels.
Drop adapter attached by screws into wood dowels.
0 2022/02/08 15:22:40
A few details from the original install design still visible (hole for carbon fiber dowel, notches alongside balsa 'box' where "fiber" board would have been glued in)
A few details from the original install design still visible (hole for carbon fiber dowel, notches alongside balsa 'box' where "fiber" board would have been glued in)
0 2022/02/08 15:22:47
That'll do, tank...that'll do.
That'll do, tank...that'll do.
0 2022/02/10 09:42:48
Simulated stitching in place.
Simulated stitching in place.
0 2022/09/22 14:40:46
Stitching taped.
Stitching taped.
0 2022/09/22 14:40:55
Just missing rockets!
Just missing rockets!
0 2022/09/22 14:51:59
Tried and true wing retention method, same as I used on Byron Hellcat. I really didn't want to put holes through the carbon fiber tubes. The block resting on the wing is for the left wing. The block contains a 1/4-20 retainer nut. There's an identical block in the right wing, shown with a nylon bolt clamping the outer panel to the inner panel. I plan to use nylon socket head bolts - should be easier to tighten with an Allen-key vs. standard screw driver.
Tried and true wing retention method, same as I used on Byron Hellcat. I really didn't want to put holes through the carbon fiber tubes. The block resting on the wing is for the left wing. The block contains a 1/4-20 retainer nut. There's an identical block in the right wing, shown with a nylon bolt clamping the outer panel to the inner panel. I plan to use nylon socket head bolts - should be easier to tighten with an Allen-key vs. standard screw driver.
0 2022/09/22 14:53:35
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