Silas Van Natter
  • Male
  • Priest River, ID
  • United States
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Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Hi Michael, We still don't have a solid solution to the control but what I did in the picture is just use an Arduino Uno and a potentiometer. If you see the brown wire in the bottom right hand corner of the picture that is all I used for…"
Jun 7, 2016
Michael Marr commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Hi Silas, Very interested in what you have accomplished so far.  I am also part of a group building a gas powered drone however we have elected to go with 6 rotors and a power distribution system similar to a drone which is currently being sold…"
Apr 10, 2016
jlcortex commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Hello Silas, we are working on similar project, about same size, ours is a bit more weighly, but probably fighting the same problems. We get more than 3 hours flight…"
Dec 10, 2015
Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Things are slow on this project but we did make it past the vibration issues. We have a pretty serious isolation system now. This breaks the rigid connection between the sensors and the frame so I have some mixed feelings about that. The main…"
Dec 10, 2015
Randy Sonnicksen commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Silas, Any updates on this gas powered quad?  Last I heard you were having some vibration issues.  Did you get those resolved? "
Nov 23, 2015
Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Ambitious, but a controls engineer might be able to pull it off. On my end we've been stuck with stability issues for months. I've got a short clip of the first tethered flight I'll try to post in a somewhat timely manner, but…"
Aug 23, 2015
Randy Sonnicksen commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Silas, Very nice project.  Would like to see some video of the quad flying.  I recently read the biography of the Wright Brothers and it sparked some creativity in me.  I am a controls engineer, so I often need to study the…"
Aug 7, 2015
Nicholas J Nielsen commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Check out Curtis Youngblood he has a successful 3D capable fully functioning variable pitch gas/nitro quad http://curtisyoungblood.com/V2/products/prototypes/stingray-420-folding-quad-mantaray-1230"
May 12, 2014
Rob_Lefebvre commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Typical headspeeds for '500' size blades is 2600-2800 rpm.  Sorry, can't suggest anything about the gearing or if you should slow down, you're in uncharted territory!  :)  But for reference, a typical 450 heli…"
May 5, 2014
Stefan Oosterhout commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Looks pretty neat! Is the thing on the bottom side (that's connected to the helical pinion) a clutch? Sorry I don't know anything about that since I've only flown electric. About not trusting gears, what about the torque tube gears…"
May 5, 2014
Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Took a quick look on eBay and found some of those 450 class stretch blades. These will be geometrically straight across compatible with my current build. My frame is unnecessarily big at the moment and will easily fit the 500 sized rotors too. I was…"
May 5, 2014
Rob_Lefebvre commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"So, just an observation here.  You're at 20lbs AUW, and with 4 700mm Dia rotor disks, your total disk area is 1.54 m2.  An 800 gasser would typically weigh about 12-14lbs AUW with fuel, and has a rotor disk area of 2.55m2.  So…"
May 5, 2014
Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"5mm... There are hundreds of 5mm bearings and hundreds of 6mm bearings to chose from. Not so much with gears, especially for my size, strength, and operating speed. Guess if I'm forced to go down this path it will be easier to have someone…"
May 3, 2014
Stefan Oosterhout commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"I just measured the main shaft of my Trex 450. It's 5mm... You could change the bearings which hold the shaft, and you'll need to find a gear that fits. Interesting thing that they try to increase efficiency with bumps. But I think this…"
May 3, 2014
Silas Van Natter commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Ok, I'll stop mentioning better stability over a traditional helicopter. And for the outward sling topic I guess it could go one of three ways. One- everything works just fine forever. Two- everything works just fine for a while before bearings…"
May 3, 2014
Stefan Oosterhout commented on Silas Van Natter's blog post Gas Powered Single Engine Variable Pitch Quadcopter
"Wow 30 degrees is HUGE!! A typical (model, 450-size) helicopter has 12 degrees of pitch (both positive and negative 12 deg), or maybe 14 degrees if you're really badass. I'd say go to max 12 and see if it'll hover. If not, larger…"
May 3, 2014

Profile Information

About Me:
Graduated mechanical engineering from University of Idaho. Since then I teamed up with a computer scientist and computer engineer with plans on working into a drone based start up company.
Please tell us a bit about your UAV interest
Long duration and high performance drones, particularly gasoline powered quad copters.
Hometown:
Priest River

Silas Van Natter's Blog

Gas Powered Single Engine Variable Pitch Quadcopter

Posted on May 2, 2014 at 1:00pm 31 Comments

Hi Everyone,

Heres a "little" project I started a little less then a year ago. It all begin with design requirements of a quadcopter with a 10 pound payload for a one hour flight time and ended up with a gasoline/variable pitch build. At the time and since then I've come across many blogs, discussions, pictures, and videos of people who have tried this kind of build and…

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