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HelicopterEngines Plugs Mufflers Fuel › YS91SR3C-RR and AR7100R sensor problems
08-09-2009 04:07 PM  8 years agoPost 1
SunRed

rrNovice

Denmark

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Just finished my Aurora No.2
To reduce the number of Wires I decided to go the for the Spektrum AR7100R with integrated Voltage regulator and Rev Limiter.
I also chose the New YS91SR3C RR Version that should be able to run fine down to 15% nitro.

Almost ready to go to the flying field when I found that I simply couldn't get the Rev sensor to work. It took me some time discover that the 3C version has a new designed engine back plate with a steel ring. :-(
- And the Spektrum sensor can't feel the crank through magnetic material.

Finally I came up with the solution of making a bracket for the sensor and install a CSM Revlock Magnet in the Fan.
It now works fine with the sensor "looking through" the Fan housing - I didn't even have to cut.

I only got one flight so far but the YS91SR3C-RR seems to pull like hell even at factory breaking in settings on the needles and 20% nitro. - Looks very promising.
The built in Rev limiter in AR7100R works fine also.

So Spektrum and Yamada is almost forgiven again ;-)

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08-09-2009 09:09 PM  8 years agoPost 2
pgrbff

rrVeteran

Piemonte, Italy

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I've just bought the sensor with a view to using it with the 91SR3C - guess it'll be going on ebay!

Proficient at turning cash and credit into smoke and noise!

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08-11-2009 09:57 AM  8 years agoPost 3
Asid

rrVeteran

uk

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Thats the combo i was looking at.

If it ain't broke then break it.

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HelicopterEngines Plugs Mufflers Fuel › YS91SR3C-RR and AR7100R sensor problems
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