Attaching Wings - 1 hour (162 Total)

With the help of a couple friends, I was able to attach the wings to the fuselage. The wings attached to the root tube very easily once we realized to attach the rear spar and universal hinge prior to bringing the leading edge spar even close to its mounting bracket. The leading edge wing strut has a very snug fitting used to connect to the leading edge spar of the wing. This connection needs to be attached first to allow the strut to be wiggled and pounded on. The other attachment points of the leading edge struts and trailing edge struts went on pretty easily.





















































Below you will see the connections of the leading edge spar to the root tube and the clearance between the universal hinge and the engine mount. You can see that the cut out in the engine mount plate is not needed but it does add some finger clearance and style. The cutout in the engine mount bracket gives plenty of clearance for the universal hinge and bolt.


















































Below you can see two photos of the bottom of the engine looking up. To the right of the ridge in the cast aluminum is the location of the oil drain plug. This shows approximately 1.5 inches of metal on the engine mount bracket in front of the oil drain plug. A hole could be drilled within that 1.5 inches for a 90 degree quick drain fitting.



























The following pictures show the clearance between the engine mount and the wing. At the narrowest point, there is a quarter of an inch between the engine mount plate and the root of the wing.



































































The following two pictures show clearance measurements between the wing and the engine cylinders for exhaust design.

Mounting Engine - 3 hour (161 Total)

Today I started off by modifying the engine mount brackets and plate. The cutout required didn't come out pretty but it is functional.

I bolted the brackets to the root tube and the plate to the engine. By letting the plane rest on its tail, I was able to lift the engine onto the brackets. I had put four of the eight Barry mounts into the plate to act as rubber feet while I set the engine onto the brackets.

Once on the plane, I installed the washer and bolts. Unfortunately the bolts that were sent are too long.


















































Because of the radius of the angle bracket used, the forward most bolt is too high on the angle bracket. The bolt head and nut don't have a flat surface to seat against.































The engine seems to be mounted as low as it can go. There is approximately an eighth of an inch clearance between the bottom most portion of the engine and the root tube.


























There also appears to only be an eighth of an inch clearance between the engine and the top of the brackets. This means that the brackets can not be increased in size to remove the need of the aluminum washers. We could increase the size of the 9/16" stand-offs between the engine and engine plate.























































The oil drain plug also has clearance issues. I wonder if an elbow fitting could be used to allow access to the drain through a hole in the angle bracket.



























Two of the washers used on the Barry mounts seem to be interfering with the engine. This could be solved by using smaller washers, similar to what Rans uses with their 503 engine mount. Increasing the size of the stand-off between the engine and the engine plate would also solve this.


























One of the oil fittings is pretty close to one of the Barry mounts. We'll have to see if an angled fitting will clear this Barry mount.

Engine Bracket - 0 hour (158 Total)

Over the past few weeks I've been working with Green Sky Adventures to design and build an HKS 700E mounting system for the S-14.

Today I received my engine brackets. Unfortunatly, the machinist errored in a few places and I'll have to do some modifications. I'll use these pieces as mockups, and have another set made after the bugs have been worked out.

Wing Struts - 0 hour (158 Total)

More photos.

Wing Struts - 9 hour (158 Total)

Today I built the wing struts. Other than taking much longer to build than expected, they went together easily. I did need to play with the type and number of washers needed to fill the gaps between the extruded aluminum and the hardware.