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Old Apr 15, 2012, 12:55 PM
3D, 1D at a time!
Park_aviator's Avatar
United States, TX, Plano
Joined Aug 2010
4,029 Posts
Quote:
Originally Posted by VENOMiTry View Post
did you use 1 inch pvc? looks really nice i think im gonna build one.
I used 3/4th inch PVC. I used the basic design used here http://www.rcgroups.com/forums/showthread.php?t=1157593 But I changed the measurements to my needs.

Quote:
Originally Posted by 3Dplank View Post
Looks good now you have room for more planes in the guest room
So true
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Old Apr 15, 2012, 02:00 PM
Registered User
FireyFate's Avatar
USA, AZ, Surprise
Joined Apr 2010
2,659 Posts
Just gotta order a couple paraboards and my charging center will be complete!

Back behind is a pair of Lambda rack mount 20A 24V supplies designed to run in parallel. Along with my new Hyperion Super Duo , I should be able to charge all 8 of my 6s 5000mah packs simultaneously at 1c!!!

And just a note, I do charge in LiPo bags, I was just getting everything all set up in this picture.
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Old Apr 15, 2012, 02:01 PM
Irg
ol' yellow eyes is back
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Brooklyn, NY
Joined Apr 2009
7,662 Posts
very nice
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Old Apr 15, 2012, 02:44 PM
Fly low or fly home.
skarface's Avatar
United States, PA, Dover
Joined Aug 2011
5,601 Posts
ok so i am alittle confused if i go down while up right flying and up while inverted that means my lipo needs to go back further right?
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Old Apr 15, 2012, 02:50 PM
Irg
ol' yellow eyes is back
Irg's Avatar
Brooklyn, NY
Joined Apr 2009
7,662 Posts
basic cg (ie battery placement) instructions

1. put the pack in the middle of the tray or a bit forward.

2. fly plane, trim to fly level at 3/4-full throttle.

3. fly plane at 3/4-full throttle, pull up to a 45 upline, roll inverted

4. without touching the elevator, if the plane climbs, it's tailheavy, move the pack forward

4b. if the plane dives, it's noseheavy, move the pack back to get closer to neutral *if desired*

5. after adjusting pack, fly the plane, and trim to fly level. then conduct step 3. again.
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Old Apr 15, 2012, 02:50 PM
Wingman II
diggity2424's Avatar
United States, KY, Louisville
Joined Sep 2011
1,259 Posts
No, it means that you need to trim you elevator out. If you go down will your upright you are nose heavy. If you go up while inverted, you are tail heavy. You can be both, so you need to trim you plane out.
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Old Apr 15, 2012, 02:53 PM
Fly low or fly home.
skarface's Avatar
United States, PA, Dover
Joined Aug 2011
5,601 Posts
Quote:
Originally Posted by Irg View Post
basic cg (ie battery placement) instructions

1. put the pack in the middle of the tray or a bit forward.

2. fly plane, trim to fly level at 3/4-full throttle.

3. fly plane at 3/4-full throttle, pull up to a 45 upline, roll inverted

4. without touching the elevator, if the plane climbs, it's tailheavy, move the pack forward

4b. if the plane dives, it's noseheavy, move the pack back to get closer to neutral *if desired*

5. after adjusting pack, fly the plane, and trim to fly level. then conduct step 3. again.
wow thanks i will have to do that today.
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Old Apr 15, 2012, 02:55 PM
Time To Fly The Best!
heritageflyer's Avatar
Hills of Eastern Ohio
Joined Nov 2008
13,891 Posts
Anyone have any 19x10 Xoars they want to sell, or a Mejzlik, (if they make one in that size)?
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Old Apr 15, 2012, 02:57 PM
Fly low or fly home.
skarface's Avatar
United States, PA, Dover
Joined Aug 2011
5,601 Posts
Quote:
Originally Posted by diggity2424 View Post
No, it means that you need to trim you elevator out. If you go down will your upright you are nose heavy. If you go up while inverted, you are tail heavy. You can be both, so you need to trim you plane out.
ok i understand now thanks
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Old Apr 15, 2012, 02:57 PM
Irg
ol' yellow eyes is back
Irg's Avatar
Brooklyn, NY
Joined Apr 2009
7,662 Posts
sure. like diggity said, the first step is to make sure you are trimmed for straight and level upright flight. being out of trim will throw off the whole rest of the process.

there are lots of different CG preferences. I like it to sink a bit--slightly nose heavy. allows you to do all the fun 3D stuff and maintain very nice precision characteristics at higher speeds. also makes the landings very predictable.

you'll notice a lot of the greats use an ahead of neutral cg... I copy them as much as possible.
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Old Apr 15, 2012, 02:59 PM
Fly low or fly home.
skarface's Avatar
United States, PA, Dover
Joined Aug 2011
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ok i will have to play with it today. I had it trimmed good but then i crashed and added some thick ca and then for some reason i was really wack
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Old Apr 15, 2012, 03:01 PM
Irg
ol' yellow eyes is back
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Brooklyn, NY
Joined Apr 2009
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Quote:
Originally Posted by heritageflyer View Post
Anyone have any 19x10 Xoars they want to sell, or a Mejzlik, (if they make one in that size)?
RCdude is awesome for quick and cheap shipping on lots of xoar sizes. he even carries the rare 18x10.
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Old Apr 15, 2012, 03:21 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
27,187 Posts
Quote:
Originally Posted by FireyFate View Post
Just gotta order a couple paraboards and my charging center will be complete!

Back behind is a pair of Lambda rack mount 20A 24V supplies designed to run in parallel. Along with my new Hyperion Super Duo , I should be able to charge all 8 of my 6s 5000mah packs simultaneously at 1c!!!

And just a note, I do charge in LiPo bags, I was just getting everything all set up in this picture.
I have done a search on this, but found no answer...What the heck is a Lambda power supply, and how does it differ from others?

SteveT
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Old Apr 15, 2012, 03:28 PM
Irg
ol' yellow eyes is back
Irg's Avatar
Brooklyn, NY
Joined Apr 2009
7,662 Posts
lambda=c/mu?
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Old Apr 15, 2012, 03:32 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
27,187 Posts
Quote:
Originally Posted by Irg View Post
lambda=c/mu?
That makes as much sense as anything I have found so far..... I.E. nothing....

SteveT
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