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Get a tapered reamer from you local hardware store or machine shop...... use it first then switch over to the stepped reamer.

If you are using a low cost, low power 2.4 Ghz parkflyer type radio system, it may not be adequate for line of sight flying costly MRs where there are other 2.4Ghz signals. In particular a high power 2.4Ghz transceiver tower for Internet can become a problem if you fly close to it. Technically...

An aerial platform and trainer for light aerial photo and video work..... This is a fit-for-purpose tool for photographers and videographers seeking ideal vantage points for exceptional photo/video work. Also suitable for flight training before adding costly equipment. This is a six motor/pro...

Yes indeed..... as indicated in this topic thread the motors are powered by the main batteries.......which are large capacity 6S. The S800 should offer optional lower voltage terminals to allow for a dedicated battery for the control system or DJI should be providing the controller with a...

While it certainly is not clear in the DJI GCS manual, it is impertive that one have an RC system onboard the MR in conjunction with the GCS Datalink. I have been too scared to switch to GCS via PC because I don't fully understand the simulation mode and corresponding cause and effect...

Hero GoPro 3 just announced a new firmware update that gives you the option of a narrower FOV at 60fps then previously..... for what it is worth (but maybe they means "medium" versus the previous "wide").

The problem is with the RC system setup versus the NAZA..... Since your radio system copies the Turnigy.... look through this forum for the Turnigy configuration solutions that are being presented....and good luck.

Very nice RC system....... will have to dig into it deeper...... need to know if it is PPM also.

Need additional information on your complete setup including battery, motor and prop data........ it is easy to pull the voltage down under adverse conditions.

So DJI thoroughly completed the original engineering, research and development and marketing then attempts to recoup upfront costs from the buyer while RCTimer offers essentially the same without any overhead costs to the customer. Love the way Asia competes within itself..... In any case for...

DOMESTIC FLIGHTS SPECIFIC TO CANADA...... MAY BE COMMON TO MANY OTHER COUNTRIES: Official message of clarification from Transport Canada (Canadian Airspace regulator) Good morning Greg I am including the passenger exemptions pertaining to Lithium Batteries that are allowed for personaluse. The...

Yes..... to achieve optimal system efficiency it is important to move up the voltage level when moving up to heavier MRs. BUT...... I recommend starting out with something small and inexpensive as the small ones can take a beating yet remain cheap to repair. From my experience MR Hobby is a...

For those intent on DIY approach.... bear in mind that these are complex systems that can rapidly lead you into a lot of trial and error (sometimes referred to as R&D) a garage full of nice but useless spare parts and 1/2 built MRs that will not fly well. So in the end you likely will not be...

Thanks for sharing....MRs are fit for purpose for aerial photo and video work due to their outstanding autonomous control and stability..... but they tend to wobble when decending quickly.... due to aerodynamic limitations of fixed blades etc. Here is a helpful selection chart to gain...

No..... mine maintained totally level flight.....only vertical control was lost..... but there is no way to predict which input sensors will fail to provide correct data to the IMU when there is excessive vibration.

That is a very good question and here is a detailed tutorial on the subject.....http://www.rcgroups.com/forums/showthread.php?t=185271&highlight=bergmeyer. Basically there is a tradeoff between voltage level, number of poles and the torque produced. More poles means lower rpm but greater torque...

So it seems that you are suggesting that there is a 30% lithium content in each cell relative to the amount of copper, plastic and polymer....... Where BTW did you get that information?

Here is another thread on MR forums that should provide more complete answers: http://www.multirotorforums.com/showthread.php?5702-Flying-on-an-Airline-with-LiPo-Batteries&highlight=Transporting+batteries Please note that the IATA regulations seems to imply that the batteries be stored in cargo...

I noticed you are also using the newer pan type high pole count motors which are apparently very well balanced, have excellent bearing etc. but mine are new and doing the same, i.e., very high pitch squeal...sometimes.... Since these bearings are sealed it seems inappropriate to attempt to...

Which new regulations are you referring to? Note also that there are some previous threads somewhere in this forum on this topic....