• Male
  • Livonia, MI
  • United States

Ehren's Groups


Ehren's Page

Latest Activity

Ehren replied to Oliver's discussion How strong do UAV wings need to be?
"Two comments: On using metal covering over rapid prototype core.  That is a useful technique. I've used it as a way to make master plugs for an air intake assembly. We made carbon molds off the chromed plastic plugs then heat treated…"
Feb 23, 2012
Ehren replied to Oliver's discussion How strong do UAV wings need to be?
"I use simple rules: 30% of material strength at 10g loading on all three axis Simple fast easy math good baseline. We have reduced weight (minimullay) by going to 30% at 6g;  however we developed fatigue cracks in certain areas. So there is no…"
Feb 22, 2012
Ehren commented on Chris Anderson's blog post Hunters shoot down Mikrokopter used by animal rights group to film pigeon shoot
"Well what can you do when one lunatic group picks a fight with another lunatic group? (Popcorn maybe) In this case I think both parties are wrong; and in need of some hefty fines. The use of remotely piloted air vehicles to gain access and film…"
Feb 17, 2012
Ehren commented on Azam Shahani's blog post Incredible Flight Endurance!
"There is always cheating.                   Get a wireless charging pad. Hook the charging reciever to your power system. Hover over the charging pad. Wow look at the incredible endurance!!"
Feb 14, 2012
Ehren replied to Yaniv Eliash's discussion Communication
"Way back when I was involved in a Submarine race competition.  Our team used a device called the buddy phone from Ocean Technology Systems.  It was a two way radio used with scuba. I worked fine but we used up our air supply twice as fast.…"
Jan 3, 2012
Ehren replied to Nathan Harris's discussion High Altitude Balloon Equipment Retreval
"  Defiantly a cool project. Might be a little late to offer a suggestion on the airframe of your glider but here goes. How about using a model of Spaceship One. Skip the rocket motor and you have a glider designed for dropping from space…"
Dec 19, 2011
Ehren commented on Chris Anderson's blog post Details on how Iran may have used a GPS override spoof to capture US drone
"Wow what a fantastic story from two sides, the Iranins and the CIA. Two groups that you can count on a fabricated story. Which one is lying? They both are. The CIA crashed a drone that's all they admit to. The Iranins say they captured the…"
Dec 16, 2011

Profile Information

About Me:
Naval Architect by degree
Please tell us a bit about your UAV interest
Long endurance photo flights.
I would like to take still pictures and video of sailboats racing offshore.
Livonia Michigan

Comment Wall

  • No comments yet!

You need to be a member of DIY Drones to add comments!

Join DIY Drones


© 2017   Created by Chris Anderson.   Powered by

Badges  |  Report an Issue  |  Terms of Service