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Search: Posts Made By: soarrich
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12-30-2014, 05:03 PM
Replies: 28
Views: 11,404
Posted By soarrich

Third day's attempts.

https://www.youtube.com/watch?v=t4QS0t8tgJU

t4QS0t8tgJU

I think I'm getting closer. I need to cut my throws down, and put a longer nose-wheel strut on it.

I'm a slow learner, but...
12-23-2014, 02:29 AM
Replies: 28
Views: 11,404
Posted By soarrich

Good info.

Chellie
Thanks, I did not know you could go up to 18 of hang, mine is at 10.

I took the photos so I could measure this kind of stuff, I posted them on another auto-gyro forum that seems more...
12-22-2014, 01:36 PM
Replies: 28
Views: 11,404
Posted By soarrich

Joe I think I found the problem. I bought a...

Joe
I think I found the problem. I bought a new rotor-head and blades from FlyingBalsa and built them, but the instructions where for the normal blades they put on the rotor-head, not the larger...
12-21-2014, 02:06 AM
Replies: 28
Views: 11,404
Posted By soarrich

Second attempt at flight.

http://youtu.be/X8hF8CP-fK8 (http://youtu.be/X8hF8CP-fK8)

I'm looking for suggestions.
12-19-2014, 04:30 AM
Replies: 28
Views: 11,404
Posted By soarrich

Yea, I had looked at that, I just went back and...

Yea, I had looked at that, I just went back and looked at it again. Knowing what I know now other than the fixes I said I'm going to do the only thing I would do differently is I would not have...
12-18-2014, 05:18 AM
Replies: 28
Views: 11,404
Posted By soarrich

I've watched this over and over, this is what...

I've watched this over and over, this is what I've come up with:

The model needs just a little more nose weight.
The rotor needs a little more lean back.
The pitch control needs less...
12-17-2014, 11:14 PM
Replies: 28
Views: 11,404
Posted By soarrich

First attempt at flight.

http://youtu.be/SNr7BslX65o (http://youtu.be/SNr7BslX65o)

SNr7BslX65o

I think I have too much pitch control, and might need a little nose weight.:red:
12-17-2014, 02:39 PM
Replies: 28
Views: 11,404
Posted By soarrich

SG6042 airfoil zero lift angle is -5, so setting...

SG6042 airfoil zero lift angle is -5, so setting them at -2 still makes lift. Like fhhuber wrote part of the lift lifts the gyro, the other part spins the blades, without the negative pitch angle...
12-17-2014, 03:53 AM
Replies: 28
Views: 11,404
Posted By soarrich

New rotor hub.

I decided to get a rotor and blades from http://www.flyingbalsa.com/
So now it has three blades rather than two. I made the blades 26.5" which works out to about 2200 sq in of rotor disk.

The...
12-10-2014, 04:20 AM
Replies: 28
Views: 11,404
Posted By soarrich

Rotor

This is my rotor plate. I'm going to use two blades, the angle cut feathers the blade as it goes up. I use the thickness of the ply to keep the blades from going down, the gap on the top allows the...
12-10-2014, 04:06 AM
Replies: 28
Views: 11,404
Posted By soarrich

rotor-head

This is the rotor-head that I've made. I use plywood with PP5 plastic as a hinge made from a plastic shoebox lid.
12-02-2014, 04:38 AM
Replies: 28
Views: 11,404
Posted By soarrich

I uploaded a video of the gyro in the backyard. I...

I uploaded a video of the gyro in the backyard. I completed then mounted the vertical fin/rudder and stab. While testing it the prop sucked the rudder cables into the blades and cut them. Slow going,...
11-18-2014, 10:33 PM
Replies: 28
Views: 11,404
Posted By soarrich

Stab, vertical fin and rudder.

Slow progress, I had to put a new door on the garage/workshop.

I built a stab out of 1/4"x3/8" balsa sticks. I pinned the last "rib" on each side with a toothpick, they are the most likely to get...
10-30-2014, 02:21 PM
Replies: 28
Views: 11,404
Posted By soarrich

My gyrocopter.

This is my current project, it's taking about ten times as long as I anticipated, but the end is in sight. It's a electric gyro-copter. I have a 42mm motor, with a 70 amp ESC, 5 cell 5000 mah...
Showing results 1 to 14 of 14


 
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