88" Extreme-Flight Yak Electrified Build - Page 2

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Simpleton · 01-17-2008, 07:52 PM

Thanks! Your previous instructions were plenty to get me heading the right way, but the finished product is even better.

Do you think taking the pipe tunnel out cost you much strength? I'd like to ditch the weight, but wasn't sure if that was also a structural member.

And about how much do you think the pipe tunnel weighed?

JagerBomb · 01-17-2008, 08:00 PM

The motor was very easy to mount using the Hacker motor mount. I measured off the marks on the motor box. I then plugged it into the speed control. I'm also using a spinner that I obtained from Extreme-Flight. It has an aluminum back plate and a plastic cone held on with 4 screws. The mount as a rear bearing incorporated into the back to help support the motor. I also mounted the 24 x 12 Apc prop.

JagerBomb · 01-17-2008, 08:17 PM

Next step was to mount the cowl. First I take card stock and tape them to the fuse. I mark where I want the holes drilled. Ithen slip the cowl on. I use a piece of tape from the bottom of the cowl to the spinner plate to get it perfectly centered. I then tape around to lock it in. As you can see I fold the 4 strips of card paper that I had marked with cowl off into position and drill the holes. I then installed the blind nuts and reinstalled the cowl, mounting the prop and spinner.

JagerBomb · 01-17-2008, 08:26 PM

These are the batteries I'm using. FlightPower 4900 6S wired in series. In one of the pics you can see the V-Balancer. They are mounted in the plane with some sections of flooring that allows good retention and great cooling.

jimbomilligan · 01-17-2008, 08:31 PM

Nice.. how much weight did you save removing the pipe tunnel??

JagerBomb · 01-17-2008, 08:31 PM

This is a spin Box that sets up and measures last flight info. It also shows max amps and voltage

JagerBomb · 01-17-2008, 09:12 PM

	Quote: Originally Posted by jimbomilligan
	Nice.. how much weight did you save removing the pipe tunnel??

Not sure, guess I should have weighed it. Probably not more than a few ounces. But it all counts in the end. I will have a weight real soon

JagerBomb · 01-17-2008, 09:23 PM

	Quote: Originally Posted by Simpleton
	Thanks! Your previous instructions were plenty to get me heading the right way, but the finished product is even better. Do you think taking the pipe tunnel out cost you much strength? I'd like to ditch the weight, but wasn't sure if that was also a structural member. And about how much do you think the pipe tunnel weighed?

I'm glad that helped! I wasn't too worried on the strength. The electric powerplant doesn't have the power pulses of the IC motor. I have ck'd the torsional and it doesn't seem to flex. Dave Jones did this on his, he has had several flights with no issues

Simpleton · 01-17-2008, 09:36 PM

Helped? Shoot, I'm almost finished with them!

Still not sure, the Extra doesn't seem to have as much structure in it as the Yak. And what's there is really light. I think I'll go ahead and rig it up, and if it seems porky I'll look at that pipe tunnel again.

Thanks for the build thread, yours is really turning out top shelf.

Greyhoundman · 01-17-2008, 09:46 PM

Is that a QQ python I see hidden in the pics?

HuckinChikn · 01-17-2008, 09:53 PM

Lookin good, Dude! I'll be expecting a phone call when she's ready to fly...

JagerBomb · 01-17-2008, 10:09 PM

	Quote: Originally Posted by Greyhoundman
	Is that a QQ python I see hidden in the pics?

Yeh, that's Fastford's he's waiting on a few parts

JagerBomb · 01-17-2008, 10:09 PM

	Quote: Originally Posted by Huckin'Chikn
	Lookin good, Dude! I'll be expecting a phone call when she's ready to fly...

ring ring

JagerBomb · 01-17-2008, 10:31 PM

	Quote: Originally Posted by Simpleton
	Helped? Shoot, I'm almost finished with them! Still not sure, the Extra doesn't seem to have as much structure in it as the Yak. And what's there is really light. I think I'll go ahead and rig it up, and if it seems porky I'll look at that pipe tunnel again. Thanks for the build thread, yours is really turning out top shelf.

Thanks, post your pics of your latch, I'd be interested to see how they turned out

Mark

Simpleton · 01-17-2008, 11:34 PM

	Quote: Originally Posted by JagerBomb
	Thanks, post your pics of your latch, I'd be interested to see how they turned out Mark

Well, "almost finished" might have been a bit optimistic, but here's the left one. I have all the parts cut and dry fitted for both, but it's too late to mix epoxy tonight.

01-17-2008, 07:52 PM	#16
Simpleton That Was a Close Shave! Join Date: Oct 2006 Location: USA Posts: 657	Re: 88" Extreme-Flight Yak Electrified Build Thanks! Your previous instructions were plenty to get me heading the right way, but the finished product is even better. Do you think taking the pipe tunnel out cost you much strength? I'd like to ditch the weight, but wasn't sure if that was also a structural member. And about how much do you think the pipe tunnel weighed? Last edited by Simpleton; 01-17-2008 at 07:58 PM.

01-17-2008, 08:00 PM	#17
JagerBomb Bad-ass Super Contributer! Join Date: Jan 2006 Location: St Peters Missouri Age: 53 Posts: 891	Re: 88" Extreme-Flight Yak Electrified Build The motor was very easy to mount using the Hacker motor mount. I measured off the marks on the motor box. I then plugged it into the speed control. I'm also using a spinner that I obtained from Extreme-Flight. It has an aluminum back plate and a plastic cone held on with 4 screws. The mount as a rear bearing incorporated into the back to help support the motor. I also mounted the 24 x 12 Apc prop. Attached Thumbnails 67.7 KB · Views: 279 56.7 KB · Views: 66 59.4 KB · Views: 123 44.4 KB · Views: 84 __________________ Mark Trent Team Futaba Team Flight Power Krill Aircraft Skyline Aviation Hacker Brushless Fromeco

01-17-2008, 08:17 PM	#18
JagerBomb Bad-ass Super Contributer! Join Date: Jan 2006 Location: St Peters Missouri Age: 53 Posts: 891	Re: 88" Extreme-Flight Yak Electrified Build Next step was to mount the cowl. First I take card stock and tape them to the fuse. I mark where I want the holes drilled. Ithen slip the cowl on. I use a piece of tape from the bottom of the cowl to the spinner plate to get it perfectly centered. I then tape around to lock it in. As you can see I fold the 4 strips of card paper that I had marked with cowl off into position and drill the holes. I then installed the blind nuts and reinstalled the cowl, mounting the prop and spinner. Attached Thumbnails 62.0 KB · Views: 39 59.3 KB · Views: 23 58.2 KB · Views: 12 85.9 KB · Views: 67 88.4 KB · Views: 61 85.8 KB · Views: 83 82.3 KB · Views: 68 59.0 KB · Views: 83 __________________ Mark Trent Team Futaba Team Flight Power Krill Aircraft Skyline Aviation Hacker Brushless Fromeco

01-17-2008, 08:26 PM	#19
JagerBomb Bad-ass Super Contributer! Join Date: Jan 2006 Location: St Peters Missouri Age: 53 Posts: 891	Re: 88" Extreme-Flight Yak Electrified Build These are the batteries I'm using. FlightPower 4900 6S wired in series. In one of the pics you can see the V-Balancer. They are mounted in the plane with some sections of flooring that allows good retention and great cooling. Attached Thumbnails 89.2 KB · Views: 78 111.2 KB · Views: 109 89.7 KB · Views: 51 80.4 KB · Views: 94 73.0 KB · Views: 141 76.5 KB · Views: 134 68.7 KB · Views: 160 __________________ Mark Trent Team Futaba Team Flight Power Krill Aircraft Skyline Aviation Hacker Brushless Fromeco

01-17-2008, 08:31 PM	#20
jimbomilligan Bad-ass Super Contributer! Join Date: Feb 2006 Location: Long Island, NY Age: 33 Posts: 1,239	Re: 88" Extreme-Flight Yak Electrified Build Nice.. how much weight did you save removing the pipe tunnel??

01-17-2008, 09:36 PM	#24
Simpleton That Was a Close Shave! Join Date: Oct 2006 Location: USA Posts: 657	Re: 88" Extreme-Flight Yak Electrified Build Helped? Shoot, I'm almost finished with them! Still not sure, the Extra doesn't seem to have as much structure in it as the Yak. And what's there is really light. I think I'll go ahead and rig it up, and if it seems porky I'll look at that pipe tunnel again. Thanks for the build thread, yours is really turning out top shelf.

01-17-2008, 09:46 PM	#25
Greyhoundman GRRRR Join Date: Jan 2006 Location: Ofallon, MO Age: 33 Posts: 1,216	Re: 88" Extreme-Flight Yak Electrified Build Is that a QQ python I see hidden in the pics? __________________ www.rescuedracers.com

01-17-2008, 09:53 PM	#26
HuckinChikn just wanna FLY! Join Date: Jul 2006 Location: St. Louis Age: 28 Posts: 2,536 Awards Showcase Total Awards: 1	Re: 88" Extreme-Flight Yak Electrified Build Lookin good, Dude! I'll be expecting a phone call when she's ready to fly... __________________ Jared Reeves www.ultimatefoamies.com www.redwingrc.com www.STLFLYER.com

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