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HomeAircraftHelicopterAlignT-REX 700N › Carbsmart Question
03-15-2010 05:22 AM  8 years agoPost 1
johnnyo7

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Miami FL

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Anyone using one on there ship? Is it worth it?

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03-15-2010 02:56 PM  8 years agoPost 2
WJackson

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Smyrna, Delaware

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Depends, can you tune by ear? It can help save an engine, if your not good at it.

I'm thinking of using that feature, but on the multigov, to help with the tuning differences with my FAI setup. Its easy to tune for power, or tune for a nice hover, Its impossible to do both.
Hope that helps.

RIP Roman
Bill Jackson
AlignUSA

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03-15-2010 04:05 PM  8 years agoPost 3
jsenicka

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Eagle River, WI

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Would not fly without CarbSmart.
Running on all 6 Nitro birds.

Jim Senicka
Team Manager, GrandRC Flight Team

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03-15-2010 04:44 PM  8 years agoPost 4
gorn

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Western Australia

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I installed one on mine, but its not working correctly IMO.
So I have had to leave the sensor wire unplugged

I 1st set full lean, the full rich.
Cycled power, and adjusted temp setting and gain to about 80%.

I have a hot pink zip tie on the needle arm to see whats going on in flight.

Just hovering, after about 40 seconds, the needle goes full rich.
So at this point I was using it as a gauge to see how my mid needle was, even though the CS is on the high end.
I ended up richening 16 clicks, and smoking the field out.
Tail was kicking and motor was stone cold, but CS was still trying to richen.

Nothing I did would make it not try and go full rich.
I have a temp gun, and no way was the motor anywhere near 100.
I tried 110, same.
I tried 120, same.

Feel a bit ripped off.
Sensor light comes on, so its working, and the needle is being moved, so its reading temps.

Sigh

For the love of the hobby

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03-15-2010 04:45 PM  8 years agoPost 5
gorn

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Western Australia

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I did the same with the high, but with tic tocks and full power climbs etc etc to load it onto the high needle.

For the love of the hobby

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03-15-2010 05:02 PM  8 years agoPost 6
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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Hey Gorn,

Are you sure you have the servo direction correct?

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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03-15-2010 05:09 PM  8 years agoPost 7
gorn

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Western Australia

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how can it be reversed?
I set full lean first, then full rich.
When I turn the heli on, the servo moves the needle to the lean position.

I would agree with you, except for that the lean position is set first according to the manual.

I would very much like to work out whats going on though.
Ive reset it a few times now, and it always does things the same way.

Like I said, how can it be reversed?
Im new to this fangled Carbsmart business lol

For the love of the hobby

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03-15-2010 05:21 PM  8 years agoPost 8
WJackson

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Smyrna, Delaware

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Recalibrate, first step was to move servo to lean position. If its done right, after calibration when the button is pushed it should move the needle to the full rich position. Only thing I can think is that ya missed something on setup. You can reverse it, just do the opposite of above.

RIP Roman
Bill Jackson
AlignUSA

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03-15-2010 05:24 PM  8 years agoPost 9
gorn

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Western Australia

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ok, thanks.
I will re-check tomorrow after work.

For the love of the hobby

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03-18-2010 02:02 AM  8 years agoPost 10
gorn

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Western Australia

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I re-checked as discussed above.
Fire it up, goes to full lean.
Press and hold the set button down, goes full rich.
So to me, it is working in its correct directions.
But the temp gun doesnt lie lol.
CS is not working properly.

For the love of the hobby

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03-18-2010 02:23 AM  8 years agoPost 11
rcmike

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Dickson, TN

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You might have a bad sensor. I had one that would act like that once.

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03-18-2010 02:29 AM  8 years agoPost 12
gorn

rrElite Veteran

Western Australia

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hmmmm, dammit lol.

My mate has a CS as well.
I will try his CS unit 1st, and if that does the same, then I will Dremel out the current sensor and replace it.

For the love of the hobby

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03-18-2010 03:23 AM  8 years agoPost 13
knightofcarnage

rrElite Veteran

chicago

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Did CS fix there sensors? Man they love to burn out.

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03-18-2010 03:39 AM  8 years agoPost 14
rcmike

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Dickson, TN

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I have one of the newer ones and I ripped it off an engine, tearing the heatshrink off in the process and it still works. The old ones were very fragile.

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03-18-2010 06:26 AM  8 years agoPost 15
gorn

rrElite Veteran

Western Australia

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mine isnt broken, as the sensor light still comes on, and it is moving the needle when the motor comes up to temp.
Its just not sensing the correct temps, not even close.

For the love of the hobby

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03-18-2010 09:39 AM  8 years agoPost 16
Growler1

rrNovice

South Africa

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Hey Gorn

I've got the exact same problem! Does the same as yours and I've checked it and reset it many many times and still no joy.

I've just about given up now. Although I must admit, I've haven't tried a new sensor or a new unit.

please keep us updated with you findings.....

Neil

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03-18-2010 02:26 PM  8 years agoPost 17
gorn

rrElite Veteran

Western Australia

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good to know Im not the only one lol.
I will update my findings, if and when I get it working.

For the love of the hobby

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03-18-2010 02:31 PM  8 years agoPost 18
WJackson

rrElite Veteran

Smyrna, Delaware

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You try your buddies CS yet? To see if the problem lies in a bad board or an out of spec sensor?

RIP Roman
Bill Jackson
AlignUSA

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03-18-2010 02:40 PM  8 years agoPost 19
gorn

rrElite Veteran

Western Australia

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not yet.
He lives about 20mins away, and is very busy during the week.
I will definatley borrow his on the weekend.

For the love of the hobby

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