RE: Bdavison's E-flite Blade Assembly  
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All Forums >> RC Helicopters >> Electric RC Helis >> E-Flite Helicopters >> RE: Bdavison's E-flite Blade Assembly
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RE: Bdavison's E-flite Blade Assembly - 8/22/2005 10:31:16 PM   
bdavison


 

Posts: 3344
Joined: 8/23/2004
From: Warner Robins, GA, USA
Status: online 		Im sorry guys, I do plan on finishing it up. Ive been SUPER busy lately.

I recently started a new company that manufacturers high-end electric foamy model airplanes, and its taken all of my free time to get it up and running. You can check it out at www.revolutionaircraft.com


I will finish the thread...I promise.

Ill try to get started this weekend on taking more pics, and finishing up..


Oh yeah, and the 1/2" thing is with the throttle stick at 0 throttle, and the heli in normal mode. This is so that the blades are at 0 Pitch at 0 throttle. If the swashplate is not 1/2" down from the top of the main shaft, you will end up with un-equal travel in idle up mode, limiting either positive pitch or negative pitch depending on whether its high or low, and it can damage the servos, as it will bind when it hits top or bottom.

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(in reply to blueline308)
       Post #: 76

RE: Bdavison's E-flite Blade Assembly - 8/22/2005 10:37:52 PM   
thecheatscalc



Posts: 1228
Joined: 8/13/2005
From: fayetteville, GA, USA
Status: offline 		haha nice! so you started a manufacturing company? so i'm guessing you make these thing. sorry if i sound like a noob but how do you make these things, and what eqipment do you use? those do look awful tempting though....

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(in reply to bdavison)
       Post #: 77

RE: Bdavison's E-flite Blade Assembly - 9/6/2005 6:01:04 PM   
leventor


 

Posts: 2
Joined: 9/6/2005
From: , CA, USA
Status: offline 		Hello All,

I am a newbie. I assembled everything and the heli seems to be working except one thing. When I up the throttle it starts sliding to left-front. I adjust the trim to prevent the front pitch but left side movement doesn't seem to go away. Can anyone point me to what should i look for ?

(in reply to bdavison)
       Post #: 78

RE: Bdavison's E-flite Blade Assembly - 9/6/2005 9:14:08 PM   
Traveler


 

Posts: 90
Joined: 8/9/2005
From: Noord Holland, NETHERLANDS
Status: offline 		Hey leventor,

It's normal for a heli to want to slide to the left on takeoff, which is caused by the tail-rotor, blowing the whole heli to the side while compensating for the torque of the main rotor. Once you're in the air and in a stable hover, you'll notice that the heli will lean to the right slightly to compensate for this effect. From my experience with it, it's best to trim the heli out for a stable hover and compensate for the drift on takeoff and landing. Put a training-gear on and try increasing throttle gradually, while trying to compensate for the drift. At some point, the left side of the training-gear / skids will get off the ground first, followed by the right one, and it'll take off into an angled hover. It only took me a couple of takeoffs to learn to do this automatically. A big home-made training-gear (about 2x the width of the main rotor) helped a lot in giving me the confidence to try my first liftoff without beeing afraid of tipping it over. :-) I now use a much smaller stock training-gear, which is actually slightly shorter than the main rotor.

Note that I have a T-Rex 450X, which is appearantly one of the more stable heli's in it's class, due to it's size and weight. It usually lifts off quite effortlessly, with very little ground-effect.


Grtz,

Traveller

(in reply to leventor)
       Post #: 79

RE: Bdavison's E-flite Blade Assembly - 9/9/2005 4:34:03 AM   
stl_ed


 

Posts: 1
Joined: 9/21/2004
From: , MO, USA
Status: offline 		This is great stuff. I had my Blade so out of whack I'm surprised it still flew. The only thing Im not sure about is if the blades are set at 0 degrees after I level the swash plate. Is there a good way to do this without having to buy a specialty tool?

(in reply to Traveler)
       Post #: 80

RE: Bdavison's E-flite Blade Assembly - 9/9/2005 11:00:17 AM   
Traveler


 

Posts: 90
Joined: 8/9/2005
From: Noord Holland, NETHERLANDS
Status: offline 		Hey stl_ed,

I adjusted my T-Rex for 0 degrees pitch at mid-point by fixing it by the landing-gear, running the motor up to around 50% power and then adjusting the pitch until there was as little wind from above or below the main rotor as possible.


Grtz,

Traveller

(in reply to stl_ed)
       Post #: 81

RE: Bdavison's E-flite Blade Assembly - 9/19/2005 8:23:36 PM   
hdbint


 

Posts: 13
Joined: 10/14/2004
From: Magnolia, TX, USA
Status: offline 		Bdavidson, thanks for sharing the info here as I know it has helped many as well as myself! There are not many people around who will take the time you have to help others out. Thanks again for sharing.

Now, please please, finish the thread.

(in reply to bdavison)
       Post #: 82

RE: Bdavison's E-flite Blade Assembly - 10/2/2005 2:55:38 AM   
goodbeer


 

Posts: 14
Joined: 9/20/2005
From: Lindenhurst, IL, USA
Status: offline 		bdavidson,

I too would like to thank you for providing in depth knowledge of the Blade assembly... I just finished rebuilding mine and had it flying in my living room, thanks in large part to your tutorial...

Thanks!

(in reply to bdavison)
       Post #: 83

RE: Bdavison's E-flite Blade Assembly - 10/2/2005 6:47:49 AM   
a.wells


 

Posts: 1
Joined: 9/29/2005
From: Pensacola, FL, USA
Status: offline 		Hey b davison,

Would you happen to be the same b davison in Tier-1 tech support?

Later

andrew

(in reply to bdavison)
       Post #: 84

RE: Bdavison's E-flite Blade Assembly - 10/6/2005 3:28:35 AM   
blw



Posts: 4562
Joined: 3/15/2004
From: Auburn, AL, USA
Status: offline 		Excellent tutorial!!!! I'm new to the Blade and this is a huge help.

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The ultimate responsibility of pilots is to fulfill the dreams of the countless millions who can only stare skyward...and wish.

(in reply to a.wells)
       Post #: 85

RE: Bdavison's E-flite Blade Assembly - 10/6/2005 4:12:29 PM   
bdavison


 

Posts: 3344
Joined: 8/23/2004
From: Warner Robins, GA, USA
Status: online 		No, a-wells....I dont work for E-flite. Im just another blade pilot like yourself. I went through the same problems most of the pilots have here. There wasnt any detailed assembly info or build threads, so I started "figuring" it all out by working on my own helicopter. Then I posted what I knew up here....hopefully forever ending the "mysterious" helicopter questions.

Im glad it helped you guys. Trust me I know what its like not being able to find the info you need. I didnt have this thread, I had to figure it all out for myself. Trial and error style.

Im hoping to have the last sections of the thread posted by Monday. There will be some really hot info in there.

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(in reply to blw)
       Post #: 86

RE: Bdavison's E-flite Blade Assembly - 10/11/2005 11:35:38 PM   
hdbint


 

Posts: 13
Joined: 10/14/2004
From: Magnolia, TX, USA
Status: offline 		<------------- Patiently waiting for the finish

(in reply to bdavison)
       Post #: 87

RE: Bdavison's E-flite Blade Assembly - 10/12/2005 3:37:47 AM   
blw



Posts: 4562
Joined: 3/15/2004
From: Auburn, AL, USA
Status: offline 		That tendency to slide to the left from tail rotor push/pull is called translating tendency. This helicopter certainly has the power to notice it.

_____________________________

The ultimate responsibility of pilots is to fulfill the dreams of the countless millions who can only stare skyward...and wish.

(in reply to hdbint)
       Post #: 88

RE: Bdavison's E-flite Blade Assembly - 10/12/2005 5:27:55 AM   
rmbler


 

Posts: 116
Joined: 6/6/2005
From: islip, NY, USA
Status: offline 		Hi All.............................. just wanted to thank you page by page bdavison you are saving my bacon page by page. Awsme info

Regards

Phil

(in reply to bdavison)
       Post #: 89

RE: Bdavison's E-flite Blade Assembly - 10/12/2005 2:38:14 PM   
bdavison


 

Posts: 3344
Joined: 8/23/2004
From: Warner Robins, GA, USA
Status: online 		I will finish this thread...I will finish this thread.....

Ive got the remaining pictures taken, and hopefully will get everything up here soon.

The next section will be the performance section. Ive got some tips that will help you guys get max performance out of the Blade.

Including a easy modification for the tail rotor that adds a "prop saver" to keep you from breaking tail blades.
A more in-depth look at balancing blades, and making sure that the rotor head is balanced and trimmed PERFECTLY.
Getting the heli ready for inverted flight.
How to fix those skids so that they wont break. The skids are WAY to fragile, there is an easy modification you can do that will keep you from snapping them.
Im hoping also to get some video up of the blade taking it to the max including some inverted stuff.

_____________________________

teamflyingcircus.com

(in reply to rmbler)
       Post #: 90

RE: Bdavison's E-flite Blade Assembly - 10/13/2005 3:51:35 PM