Hi guys, I know the Pro 900 XSC has about 4x the range of the Pro 900, but that it's data rate is only 9.6kbps.Is this enough for full duplex telemetry and on the fly route updates from the mission planner or am I better off going for the Pro…

So I was comparing the built in GPS Vs the recommended https://store.diydrones.com/ProductDetails.asp?ProductCode=BR-3DRLE... being fluent in GPS terminology I'm not too sure what makes it better than the built in one.-Built in is 10hz vs…

I'm just getting into the UAV and Multicopter platforms for a change from other platforms and I've picked a fairly straight forward Quadcopter frame.  Then in a photo link to a news story I saw the link below and clicked on it and thought the design…

Hi,Relatively new to UAV's and planning on getting the new APM2 and a Telemetry kit.  I was also contemplating the sonar modules for collision avoidance and auto landing/takeoff and have 2 questions:1.  How many sonar units do you need?  Is it 1 for…

So looks like I'll be starting my Quadcopter project earlier than I expected :) YAYI'm planning on getting the new APM2 board and possibly this frame (With looks like that how could you turn it down???)…

Hi,Just wondering if the Xbee modules have their frequency set by the user or if it's random or a FH algorithm or similar it uses as the module on the website states:ISM 900 MHz operating frequency (902MHz ~ 928MHz)However in Australia we're only…

Just want to know your opinions of motor/blade choice, more specifically:-Do you prefer a smaller blade & motor with higher RPM or a larger blade & motor with lower RPM?  Why?-Do you prefer 2, 3 or 4 blade props?  Have you tried them both/all? …

I was thinking of trying (And I haven't seen anyone who's tried) 4 EDFs in a foam cutout but can't find any CCW EDF impellers/blades.  Does such a thing even exist?  I thought it would of as EDF jets with twin motors would have to be counter…