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HelicopterEngines Plugs Mufflers Fuel › 50 hyper help!
07-11-2008 01:52 PM  9 years agoPost 1
TankDirt

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Illinois

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I have a few questions about the hyper 50 ok heres the story:

my hyper had really good power but a crappy idle,So I set out to re-tune my engine...now its idleing really good and smooth but it boooooogss..Its about as lean as I can safely get it without burning it up....So i have 3 questions and any comments or suggestions are also welcome!

1) I went from an os8 plug to a os3 hot plug(for a better idle) would that give me less power?

2)can the low-end needle affect the engines power "at speed" or is that strictly low throttle?

3)theres a little screw on the side of the carb you need to take off in order to change the low-end needle settings..would removing this screw completly effect power?

Thanks,Cody

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07-11-2008 02:25 PM  9 years agoPost 2
floop

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Southern, NJ

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1) I went from an os8 plug to a os3 hot plug(for a better idle) would that give me less power? The OS #8 plug should run fine. I would switch back

2)can the low-end needle affect the engines power "at speed" or is that strictly low throttle? The low needle will change how the engine transitions from idle or hovering to full throttle. It does change flight characteristics. Read the manual it has a good explanation about how to tune the engine. In the mean time set the idle needle back to factory. If your idle is off check your rear bearing and fuel tubing.

3)theres a little screw on the side of the carb you need to take off in order to change the low-end needle settings..would removing this screw completly effect power? It is likely since I don't know what screw you are talking about. You don't need to remove a screw to adjust the low needle at all.

IT's what I do.

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07-11-2008 02:30 PM  9 years agoPost 3
alchemist

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Auckland,New Zealand

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3)theres a little screw on the side of the carb you need to take off in order to change the low-end needle settings..would removing this screw completly effect power?
The low end setting is done by turning the small screw which offsets a brass plate either up or down. I can't think what the result would be if it was completely removed?

Put the screw back in and set it to the horizontal position and tune from there. The screw is for adjusting idle and the transition to mid-range.

If it is top end that is lacking then it is the main needle that needs to be adjusted.

On a more general note check that your rear bearing is not starting to go, that will effect your performance and make it hard to tune.

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07-11-2008 05:40 PM  9 years agoPost 4
TankDirt

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Illinois

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You don't need to remove a screw to adjust the low needle at all.
hmmm my bad
The low end setting is done by turning the small screw which offsets a brass plate either up or down. I can't think what the result would be if it was completely removed?
..

the screw im talking about holds the brass plate in place,i thought you need to remove the screw to un-clamp the brass plate and then adjust the lowend needle..

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07-11-2008 06:01 PM  9 years agoPost 5
tadawson

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Lewisville, TX

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Nope. But sometimes they are pretty hard to move . . .

- Tim

Friends don't let friends become electrotarded . . . .

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07-11-2008 07:09 PM  9 years agoPost 6
TankDirt

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Illinois

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ok guys im going to go back to factory setting (which is?..I dont have a manual) im going to keep the a3 in there but I will also try out the 8 as well..And ill put the screw back in...hopefully I can try this stuff out later today

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07-11-2008 07:22 PM  9 years agoPost 7
alchemist

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Auckland,New Zealand

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07-13-2008 03:28 AM  9 years agoPost 8
TankDirt

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Illinois

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All better!!!

thanks guys,went back to the os.8,put the screw back in and messed with the needles for a couple tanks and now she idles great with a nice smooth transition and great power...

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07-13-2008 10:58 PM  9 years agoPost 9
Raptor Pilot

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Northern Ireland U.K

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Yup just like tadawson says the idle screw is pretty hard to move sometimes and the screwdriver needs to be well pushed into it to prevent it slipping and damageing the corners of the screwdriver slot when your turning it. It doesnt need moved much to make a big differnce. I was about to drive a sledge through my hyper engine with frustration untill i got it all set and since then i havnt touched either needle in almost a year. Im running a O.S nuber 8 plug and 20% nitro.

If it doesnt move and its meant too... use WD 40. If it moves and its not meant too...use duct tape!

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