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Posted by Svede | Today @ 05:32 PM | 251 Views
Some paint added, I think it looks not bad. A bit porky at 27.5oz AUW.
Posted by Svede | Nov 22, 2015 @ 10:46 PM | 920 Views
This one should be interesting, I'm sure some observant viewers will be able to figure out what concept I'm trying to exploit. The motor is rated for 260 watts, the prop should reach a calculated pitch speed of 112-116mph on 4S and I hope to get an actual 110mph-ish out of this 39" wing. There are several reasons why this experiment may fail, but certain previous designs lead me to believe it may have some merit at this scale/speed and configuration.
Posted by Svede | Jun 07, 2015 @ 11:07 PM | 1,955 Views
After attempting unsuccessfully (little sold ) to get out of the hobby and having some spare time on my hands I started another project. It essentially incorporates all the lessons learned from Nessie but now incorporating the Phobotic driven DYS Smart gimbal and doing away with the excessively large fuselage. The vTx antenna will be on the wing out in the wind, but the LRS antenna will go in a winglet for some drag reduction. As with Nessie the wings are removable without tools and the horizontal tail comes off with a single nylon screw for transport.

72" wingspan, AR of 10 not accounting for winglets. Will be ecstatic with a 4.5lb AUW but expect closer to 5lb with a 5S 5000mah battery. Flaperons will make short landings easier and its EPP construction should give it good durability. Hoping for great things and loooooonng flight times.
Posted by Svede | Nov 04, 2014 @ 05:27 PM | 3,372 Views
Posted by Svede | Oct 06, 2014 @ 08:09 PM | 3,459 Views
Twilight Canyon Cruise (4 min 30 sec)

Posted by Svede | Sep 19, 2014 @ 11:43 PM | 3,748 Views
Posted by Svede | Sep 07, 2014 @ 09:13 PM | 4,046 Views
Designed for close to medium range filming, this is the smallest I felt a fixed wing plane could get while comfortably lifting a 3 axis GoPro gimbal and still having an acceptable landing speed. The maiden went well, a few clicks of trim was all that was needed to get it locked in.

The left side of the wing outside of the vertical is removable for transport, creating a pretty small package to travel with.

With a full FPV setup, DYS gimbal w/GoPro and a 3700mah 5s battery, weight is 4.3lbs. Wingspan is 52", 660 sq. in. wing area. Very hopeful the PC controller meets expectations.
Posted by Svede | Jul 20, 2014 @ 02:13 PM | 3,993 Views
Maiden completed off of grass and could not be more pleased. Some tuning was needed and there is more tuning to come but overall, very successful. What is left is to fabricate the water rudder and see how she handles on water, if that is successful then get the DYS gimbal mounted and working.
Posted by Svede | Jun 20, 2014 @ 01:13 PM | 4,696 Views
Very similar in construction to all my other builds in the last year or two, nothing new there. Wings and horizontal tail are/will be removable for transport. Wingspan will be 82" approx. once the wingtip floats are attached and carved. Planning on about 7lb. AUW with one 5000mah 5s for power, room for much more depending on whether or not I have enough floatation

The nose is designed to be modular. There is a DYS 3 axis gimbal making its way to me after I found a very promising/excellent video posted by another user here flying a 3 axis gimbal on a Skywalker. However, I have seen mostly poor videos so there will be an option to quickly swap in a hard mounted GoPro or a pan unit with head tracking. That proved to be the demise of Nessie, hacking into the nose one to many times until I was able to come up with a solid head tracking unit.

I have an ET Vector unit on hand, fortunately it will be a while before install so I'll be able to follow along with other users and see if any deal breaking bugs are found.
Posted by Svede | Feb 07, 2014 @ 06:26 PM | 4,633 Views
The AHI on the RVOSD5 that has been with me for the last year in the Queen Bee quit working, RangeVideo was incredibly gracious and sent me an RVOSD 6 upgrade. Despite a slight rain I put two flights on Nessie to test the autopilot. RTH worked as expected, I will test and tune FBW another day as the rain began to pick up more than I was comfortable subjecting the ground station and radio to.

Currently the plane is under propped, peaking at 345w of the 470w the power system is rated for. Regardless, it still achieves 85mph flat and level. The plane should be able to briefly tolerate 550w, so I will be experimenting with other props.

With the Vtx antenna inside the plane and closer to all the internal components there is too much picture break-up, so I have moved the antenna externally. This was an oversight on my part, had I realized the antenna would have to be external from the start I could have narrowed the fuselage a good two inches and still had more room for more battery than I could safely hand launch the plane with. This would have boosted the performance a little.

Nessie -3rd flight (2 min 36 sec)

Posted by Svede | Jan 29, 2014 @ 01:16 AM | 4,866 Views
This is the latest of my efforts to create a high performance/ versatile FPV aircraft. For a long time I was flying a Windrider Queen Bee, I got side tracked with life and in the meantime decided I wanted a smaller, more transportable and easier launching replacement. This is what I came up with though not an exact replacement as it caries a GoPro 3 on a head tracking gimbal rather than having a fixed Rx100.

Having only done the LOS maiden without an OSD I don't have any hard performance data yet but will update numbers as I get them for anyone interested. AUW is 6.3lbs with one 5000mah 6s Zippy Compact battery with a wing area of approximately 5 sq/ft. There is obviously room for a LOT more battery. With nearly full span ailerons it is surprisingly aerobatic. While fast and agile it only has a 500 watt motor and a high pitch prop, so climbing performance is not unlimited and you really need to give it a hard throw on full power for launch.

I wanted to try a few ideas I haven't seen implemented yet with FPV aircraft (doesn't mean they haven't been done, I just hadn't come across them). The head tracking unit on the front of the aircraft is faired by the body of the plane and hopefully will achieve an overall reduction in drag as well as creating less aerodynamic stress on the gimbal and allow higher speeds without being problematic for the gimbal (jitter, trouble centering etc. on relatively small 9gm servos). Something else I wanted to implement was internal...Continue Reading