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Old Dec 28, 2004, 09:53 AM
Registered User
Joined Dec 2004
3 Posts
Yippee!
Blade runner mods (good ones)

Blade runner problems
Over the last few days we have encountered a number of problems with my son’s new blade runner and thought others might benefit from the solutions we found.

Charging – The unit did not charge, with the light on the controller flashing randomly. Solution, bend the contacts very slightly to the side, on the helicopter. This will increase the contact with the charging lead. We have had to do this a few times, but the charge time is approx 20 to 30 minutes and give good flight time e.g. 4 to 5 minutes.

Trim problems – The unit would not stop spinning to the left, even with full trim to the right. Solution, the trim switch operates be increasing or decreasing the speed of the rotor. The rotor need to be creating equal amounts of force to counteract each other and allow the helicopter to remain stable and not spin. If the unit is spinning to the left (anticlockwise) very gently increase the bend along the length of the plastic wings in the upper rotor, particularly at the ends. Additionally, remove some of the bend in the lower rotor. This may take a couple of attempts. The affect of this is to allow the upper rotor to have more power and so overcome the turning force the lower rotor is generating (If spinning clockwise do the opposite with the rotor)

Forward/backward movements – Remove the circle of plastic around the tail rotor, this gives the rotor more force and allows the helicopter to move quicker in the forward and reverse direction. (this works very well.)
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Last edited by dentflyer; Dec 28, 2004 at 10:00 AM.
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Old Dec 28, 2004, 12:50 PM
Live to ride... and fly!
Tres Wright's Avatar
Forney, TX
Joined Mar 2002
15,165 Posts
These are all great suggestions. There is an enormous thread on one of the other forums where these and other mod's have been discussed, you can find it here:

http://www.rcgroups.com/forums/showthread.php?t=294497

Or if you don't want to spend hours reading through that giant, there is a nice synopsis of the mod's here:

http://theclassroom.50megs.com/Blade...nformation.pdf

When you're ready for even better performance, stripping the plastic body off removes 1/10 the weight and results in much more spritely climb rate and control response. It also allows better cooling of the motors and longer motor life. If you do this mod, untape the battery and slide it outside of the frame and as far forward as the wires allow, then tape it back in place. This will adjust the "COG" (center of gravity) to compensate for the body removal.
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Old Dec 28, 2004, 09:37 PM
Registered User
Maryland, USA
Joined May 2004
2,641 Posts
Your solution to the charging problem is very interesting, as this could solve one of worst problems.

I think one of the best mod is the landing gear mod. The way the landing gear is made, they flatten out very easily. If you bend them in a arc (looking from the front), you will be amazed how strong they will be. And never have to be adjusted again.
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