Flybarless Swift 16/Approach Cobra Build

Wren1702 · Nov 28, 2008, 07:53 PM

OK, couldn't stand it anymore...had to build the mechanics.

Equipment:
Swift 16
AR-7000 RX
401/9254 Combo
HS-5625MG Servos
HV-85 ESC
Starting out with Scorpion 4025-890 motor
Skookum SK-360

First, the head. Assembled very easily, no problems. Was super smooth!

Wren1702 · Nov 28, 2008, 09:13 PM

Next, the frames. Wasn't crazy about how you have to hold the nuts for the motor mount....but no big problem.

Dogwoodtheone · Nov 28, 2008, 09:48 PM

Nice Wren, will be keeping my eye on this one

Spidious · Nov 28, 2008, 10:05 PM

Hey its all my fault he decided to go ahead and build his Christmas present early !

Really waiting to see the body kit build !

pjpg · Nov 28, 2008, 11:18 PM

I will be following as well. I keep thinking of doing an approach build.

Wren1702 · Nov 28, 2008, 11:36 PM

Moving ahead.... goofed up a couple of times not paying attention to what I was doing...no harm, just a few extra minutes time. Century should really take the manual and make it step it step (AKA Align manual).

Spidious · Nov 28, 2008, 11:53 PM

Be sure you got a good tail boom. Some of them were drilled off slightly and can cause the tail rotor blade to be at a 85° angle instead of a 90° angle..
It doesn't matter if you use a aluminum tail rotor assembly !

Wren1702 · Nov 29, 2008, 12:40 AM

Tail box is OK, thanks!

Starting set up the mixing, etc with the Skookum.
Used servo plates and longer screws to install the servos. I did use two of these same servo plates to space the elevator servo out a bit more for perfect alignment.

desert_flyer · Nov 29, 2008, 01:05 AM

Wren,

Make sure you reduce tail drag compensation to -1 in the SK360. The standard setting is way too high - the heli tends to pitch up and down in FFF.

Wren1702 · Nov 29, 2008, 02:05 AM

Quote:

Originally Posted by desert_flyer

Wren,

Make sure you reduce tail drag compensation to -1 in the SK360. The standard setting is way too high - the heli tends to pitch up and down in FFF.

.

Thanks, I'll make sure and check it. Have you tried the new revision yet? They say that the problem has been cured with this revision.

Wren1702 · Nov 29, 2008, 02:14 AM

Well, time to call it at night. About 4 1/2 hours spent on the heli. so far. All the mixing/Skookum setup is done. I'm really impressed with the kit! Ball links fit very well. Tomorrow we'll tidy up the wires.

Greybird · Nov 29, 2008, 05:31 AM

Man, that looks nice! Sure cleans up the rotor head without a flybar, and all that goes with it.

Spidious · Nov 29, 2008, 10:12 AM

This looks really nice. But how much wire clearance to the motor ?
Are you going to put the gyro on the back plate area ?

Wren1702 · Nov 29, 2008, 11:20 AM

Haven't decided where to route the servo wires yet.

Wren1702 · Nov 29, 2008, 03:45 PM

OK, everything mounted and wired. Turned out really well (At least I think so

) Made my own Gyro/Skookum mount after finding a similar setup in the Tales thread.

Turned the motor around so I could mount the ESC a little different so the throttle wire would reach the RX.

Nov 28, 2008, 07:53 PM	#1
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Flybarless Swift 16/Approach Cobra Build OK, couldn't stand it anymore...had to build the mechanics. Equipment: Swift 16 AR-7000 RX 401/9254 Combo HS-5625MG Servos HV-85 ESC Starting out with Scorpion 4025-890 motor Skookum SK-360 First, the head. Assembled very easily, no problems. Was super smooth!

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Nov 28, 2008, 09:13 PM	#2
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Next, the frames. Wasn't crazy about how you have to hold the nuts for the motor mount....but no big problem.

Nov 28, 2008, 09:48 PM	#3
Dogwoodtheone Will work for heli's Join Date: Mar 2005 Posts: 1,961	Nice Wren, will be keeping my eye on this one

Nov 28, 2008, 10:05 PM	#4
Spidious Yes that is my Agusta A109 Join Date: Dec 2006 Location: By Tower Hobbies, Hobbico & Advantage Hobby Posts: 3,744	Hey its all my fault he decided to go ahead and build his Christmas present early ! Really waiting to see the body kit build !

Nov 28, 2008, 11:18 PM	#5
pjpg Registered User Join Date: Apr 2005 Location: Georgia Posts: 261	I will be following as well. I keep thinking of doing an approach build.

Nov 28, 2008, 11:36 PM	#6
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Moving ahead.... goofed up a couple of times not paying attention to what I was doing...no harm, just a few extra minutes time. Century should really take the manual and make it step it step (AKA Align manual).

Nov 28, 2008, 11:53 PM	#7
Spidious Yes that is my Agusta A109 Join Date: Dec 2006 Location: By Tower Hobbies, Hobbico & Advantage Hobby Posts: 3,744	Be sure you got a good tail boom. Some of them were drilled off slightly and can cause the tail rotor blade to be at a 85° angle instead of a 90° angle.. It doesn't matter if you use a aluminum tail rotor assembly !

Nov 29, 2008, 12:40 AM	#8
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Tail box is OK, thanks! Starting set up the mixing, etc with the Skookum. Used servo plates and longer screws to install the servos. I did use two of these same servo plates to space the elevator servo out a bit more for perfect alignment.

Nov 29, 2008, 01:05 AM	#9
desert_flyer Volts < Amps Join Date: Feb 2007 Location: Utah Posts: 241	Wren, Make sure you reduce tail drag compensation to -1 in the SK360. The standard setting is way too high - the heli tends to pitch up and down in FFF.

Nov 29, 2008, 02:14 AM	#11
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Well, time to call it at night. About 4 1/2 hours spent on the heli. so far. All the mixing/Skookum setup is done. I'm really impressed with the kit! Ball links fit very well. Tomorrow we'll tidy up the wires.

Nov 29, 2008, 05:31 AM	#12
Greybird Registered User Join Date: Nov 2004 Location: Florida Posts: 5,882	Man, that looks nice! Sure cleans up the rotor head without a flybar, and all that goes with it.

Nov 29, 2008, 10:12 AM	#13
Spidious Yes that is my Agusta A109 Join Date: Dec 2006 Location: By Tower Hobbies, Hobbico & Advantage Hobby Posts: 3,744	This looks really nice. But how much wire clearance to the motor ? Are you going to put the gyro on the back plate area ?

Nov 29, 2008, 11:20 AM	#14
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	Haven't decided where to route the servo wires yet.

Nov 29, 2008, 03:45 PM	#15
Wren1702 Now Wren 1701 Join Date: Jul 2005 Location: Wren, MS Posts: 1,176	OK, everything mounted and wired. Turned out really well (At least I think so ) Made my own Gyro/Skookum mount after finding a similar setup in the Tales thread. Turned the motor around so I could mount the ESC a little different so the throttle wire would reach the RX.