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HelicopterSynergy R/CSynergy N5 › Is your N5 nose heavy?
06-02-2010 02:18 AM  7 years agoPost 1
bmapope

Veteran

TN

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I am using a 1800mah 2s pack with all my electronics (multi gov and perfect regulator)tucked nicely in the nose closest to the frame on each side. When I hold the heli up on my forearm (main blades up and down) the nose dips with the canopy on fuel tank empty. When I fill the tank up will it balance back out? I was taught to cg a model with fuel empty. Thanks.

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06-02-2010 02:37 AM  7 years agoPost 2
baddynergy

Elite Veteran

sierra madre, ca- usa

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check your CG with half a tank of fuel. Its the best balance between beginning and of flight.

**Unattended children will be givin a shot of espresso and a puppy**

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06-02-2010 02:41 AM  7 years agoPost 3
az_heliguy

Key Veteran

San Tan Valley, AZ

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yep,

always check cg with 1/2 tank of fuel.

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06-02-2010 02:42 AM  7 years agoPost 4
bmapope

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TN

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duly noted, will check in the a.m.

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06-02-2010 03:02 AM  7 years agoPost 5
00boto

Senior Heliman

Wadley, Alabama

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+1

CG with 1/2 - 3/4 tank.

I balance mine out with a little over 1/2 because I generally stop flying at a little under 1/4 tank. On a different note, this is especially critical when running exhaust pressure, you should tune your motor when the tank is a little above 1/4 tank so the motor does not lean out near the end of the tank. You will be slightly rich in the beginning of the tank but its better than burning up your motor at the end of each tank.

When OS comes out with a HZ-R style carb for the OS55HZ we will not have to worry about pressure changes due to level of fuel in the tank.

Another tip on balancing. Get a small bubble line level from Home Depot or Lowes. This is the one I use -> Bubble Level
Place the bubble line level on the boom near the back of the frames. Pick the helicopter up by the base of the flybar and check the bubble. This will give you an accurate CG reading.

Thanks,

Matt

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06-02-2010 03:14 AM  7 years agoPost 6
bmapope

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TN

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hopefully the 50 hyper is gonna be ok in this heli, i don't really do "pop and lock" 3d stuff so keeping my fingers crossed. this thing is huge compared to my trex600's! i guess i will start saving my $ for the new .55!

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06-02-2010 03:27 AM  7 years agoPost 7
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

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A O.S.55 like this. My own little creation. It run the same to the last drop. This is the 90 size carb.

Not trying to hijack your thread. It looked like Matt answered your question.

Chris

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06-02-2010 12:31 PM  7 years agoPost 8
inkspot1967

rrProfessor

Cranston Ri

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cool idea thenewguy

Goblin 700kse , Pulse batterys

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06-03-2010 12:18 AM  7 years agoPost 9
bmapope

Veteran

TN

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well, with 3/4 tank she leveled out nicely. still can't get over the size of the heli, but it looks great in the air. got the maiden flight and 3 more in with no issues other than the "old man" setup i went with (will be moving the balls to the inside position). still some tweaking here or there, but phenomenal job matt! no more need to tell people to use a .30 raptor to learn on, with a set of heavy mains and the balls on the outside it is a big air, smooooooooooth flying machine.

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