View Full Version : Aoto problems with MAH blades?
Markus
02-21-2005, 01:32 PM
I have a new Tempest FAI (just finished the first gallon).
The pitch setup is +- 11 deg. and use MAH G2 main blades (about 190g).
For some reason the heli doesn't Auto well. It feels like there is not enough energy left in the blades.
Could it be because the heli is quite new and all parts and bearings are not broken in jet or is the problem the G2 blades with their 60-48 chord. Would V2's work better in this case?
All gears work very smooth ... as far as I can tell.
Would be great if someone has an idea what the problem could be.
Thanks.
Markus
02-21-2005, 01:41 PM
I forgot to mention, the MAH blades are 710mm long.
dorfmann
02-21-2005, 05:29 PM
They should auto fine. I see inverted-piro flip to gear autos done with them. You may have to mess with your style a little. Try different pitch approaches. I use the older g1's. They catch the air a little more, so a little easier. The g2's are great blades. Keep trying them.
Markus
02-22-2005, 08:42 AM
I'll keep trying them.
Thanks for your reply.
mike15
02-22-2005, 02:29 PM
i just got some new 710 g2s form my extreme i aint tried them out yet still building the heli. Anyway so you sayin ur collective managment may have to be chaged to get the most out of these blades.
ChrisLaFollette
02-22-2005, 11:20 PM
I agree with dorfman. H to the C does inverted autos with a piroflip to upright and still hangs it at the bottom for a second or two with his MAH Blades. Now that hes flying V-Blades his autos are looking better and crazier but thats another story. :badair: Anyway my point is play with the approach and work the pitch during the auto to find the sweet spot and you shouldnt have any problem autoing with them.
dorfmann
02-24-2005, 05:34 PM
Yes. With the smaller surface area, you may need a slightly shallower negetive pitch to get the head speed really zipping on the approach. Keep playing, you'll get it. If you don't end up liking them, I'll buy them.
DavidH
02-24-2005, 06:19 PM
Yes. With the smaller surface area, you may need a slightly shallower negetive pitch to get the head speed really zipping on the approach.
That is new one for me. Never have heard that before. I would be interested in knowing why.
David
Joel Mann
02-25-2005, 09:18 AM
Markus told me he installed some V-BLADES on that tempest. Well I'll let Markus tell the rest..Just glad to help him..Now he has got the auto he wants..
dorfmann
02-25-2005, 06:25 PM
DavidH,
Just a physics theory. Less surface area needs a shollower resistance plain to get the same rotational velocity results. This is in the "free fall" state, of course. Opposite when the power is coming from the motor instead of gravity/wind resistance. Not a physics pro, just a thought.
Joal,
Glad to hear it. The V's do auto a lot easier. Just depends what each person likes.
DavidH
02-25-2005, 06:57 PM
I understand. It was just a guess. I thought you might have found something that was new.
David
Joel Mann
02-25-2005, 07:07 PM
What ever people like is the way to go and most people want the best auto they can get.I know I do.