Good-Electronics

Posts Tagged ‘Class’

Ryder hooks up a scanner that doesn’t work as 333 keys up on 492.525MHz. I could easily overpower his transmission through my base station radio. Turns out its an offshore radiotelephone frequency that is monitored by the Federal Gov’t. Not to be used without a license. The wideband signal probably could not be received by a narrowband scanner…

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2 Cell LiPo’s are 7.4 volt. LiPos will be ruined if they go below 3 volts per cell, thus the importance in this test. It may not mean much to you that the LiPo is 1 volt less than a NiMh or Nicad, but this test is important because to protect the LiPos, the manufacturers usually set the motor cut-off voltage at 3 volts, so the battery wont go bad. So in this case, the radio shuts off the motor at 6 volts. But even though I have a volt less than the NiMh and a lot more MAHs, I cannot use all the extra MAHs because it gets cut off early due to the lower voltage. Also, this video was requested and should answer this question I keep getting. That is, will the Hobbyzone Firebird Phantom fly on a LiPo, since it is a volt less at 7.4 vs 8.4 in the NiMh? (It’s not recommended to even try a 3C 11.1v) or the motor speed controller will burn up. So these results are from Jeff and I doing a fly-off. You have to decide if it is worth it to get a Lipo, considering cost, time of charge (NiMh can be charged faster) and weight and the radio’s safety cut-off for Lipos. A Lighter battery also means you will have to add clay weight to the nose for it to be properly balanced or you will be flying nose high like I was. And since it will cut off earlier, your really gaining no big advantage. Thanks for watching and happy flying. Dave

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• Hobby Zone Firebird Freedom | Sport Aviator

This is an assembled “Bare Bones” Helicopter from Xheli.com. That means you must choose and buy your own RC equipment. I chose the Raiden 1620Kv motor for this machine. I must say, it is more than ample! If you use the same, make sure you know how to handle the power and not overdo it. Always searching for an electric helicopter with some weight and mass to handle our winds, I have begun exploring the 500 class helicopters. In this video, I give a look at the Esky 900 helicopter actually flying in those winds. The ES 900 is a fantastic flying machine, when set up with the pitch and throttle curves I developed on my test stand. I have videos on my test/training stand and how to make the pontoons. Search Stealth Helicopters and for NightFlyyer’s Helicopter training/test stand to see my videos on the subject. The Esky Helicopter feels good and solid for sure and I am quite impressed, since this helicopter only cost 9. I used the 14.4 battery for the first test flight, and the 18.5 volt battery for the 3D flights. I recommend the 14.4 battery, because it runs longer and the extra power of the 18.5 is not necessary, however I like the extra weight of the bigger battery. Also, you need a charger that can charge an 18.5 v, 3000 Ma, 5 cell LiPo, so that is a consideration. I really like flying this heli, as it it really easy to see for this 62 year old’s tired eyes, and handles the wind very well. I like the white wooden blades, and their sound. The blades have not gone out of …

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• The new E-SKY KOB Co-Axial is an impressive RC helicopter model | RC Mods Gadgets
• Russia plans to develop 5th-generation ’stealth’ helicopters | Air Force News at DefenseTalk
• Graciela Manginelli » New Esky 4 Ch 24 Ghz Camo Rah66 Cocomanche Coaxial Radio Remote Control Electric Rc Helicopter Rtf W Flight Simulator Kit

For you skeptics who say the fish was dead, I assure you it wasn’t dead. That said, I still risked my E-Flite Blade 400 for some entertainment for you (I used 3 batteries, hence the cut) as fun and challenging for me. I doubt most others would risk their 0 heli just to hover over the water, let alone dangle a line! This scenario shows it may be possible to use the Helicopter for fishing, however it would be expensive fishing. It is always terribly windy here, so on this calm day, those simple waves in the water was of no concern to a sunfish! It also helps to have lots of fish, like in our Sand Pit Pond where they bite on hooks with no bait! (actually I used fish eggs and the hook 24″ from the bobber. Hey, you never know, if you don’t try! ***Caution from past experience*** If the Tail rotor hits the water even slightly, it will immediately cause a crash. Big fish can drain batteries fast. It takes and hour to charge between flights of only 6 minutes, so this could be a long process to catch a fish. Sunfish are not big fighters. Fly easy and thanks for watching. I hope you found this entertaining. Be sure to subscribe for more unique stuff from Mr.Herbert’s Science Class. and yes, I’m going to try it again, so stay tuned.

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