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Home✈️Aircraft🚁HelicopterAlignOther › FYI on my magnet and sensor install (in flight failure)
08-01-2007 06:38 PM  13 years ago
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Dave Yost

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San Diego Ca, USA

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FYI on my magnet and sensor install (in flight failure)
Well, time to eat my words.

After ten "break in flights" I handed my 600N over to Ray Menovi and Danny Szabo for there opinions. They both made one or two little tweaks, but over all it was good to go. Unfortunately, the fan issue rared its ugly head. When we increased the head speed, the gov stopped working. Post flight inspection revealed that the fan had just touched the sensor, Magnets still in place and no visible damage to the fan. So, the next day we changed the sensor, half way through the first flight, it went in a big way, took out both magnets and completely disinigrated the sensor. It would appear that the fan is flexing in flight, and my method of mounting the sensor just below the frame, places it to low.

Since I have to pull the engine anyway, I will be switching to the metal fan, I am still going to mount the sensor on the out side, but this time I will file an indent in the frame so the sensor is 3/32 higher or so.

I will post the results(REV 2)

I will say this, The 600N has insane power for a 50. I am running the MP5 and a brand new hyper, holly cow! it really flies well.

Just a little under built in some areas.

Cheers Dave
MA Fury Extreme,Vibe 50, JR 9303,YS,Vblades, Don't blame me, I voted for Jimmy Buffet!
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08-01-2007 07:34 PM  13 years ago
kingair

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Utah - USA

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To bad about your sensor. I don't want to hyjack this thread so if anyone needs info on a hall effect sensor that digikey stocks and costs $2.00 and work perfectly with model avionics gov's and rev max I can post the info.There is a very fine line between "hobby" and "mental illness."
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08-01-2007 08:29 PM  13 years ago
jamesduck

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FL

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Yes please post the info on the sensor.

Thanks
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08-01-2007 08:30 PM  13 years ago
ringram2077

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Birmingham, AL

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hall effect sensor that digikey stocks
I would like to have that info for future reference.
Thanks
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08-01-2007 08:49 PM  13 years ago
kingair

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Utah - USA

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I have a hard time linking directly to any part at digikey so I'll do it this way:

The digikey part number is:

480-2002-ND

Manufacturer Part Number is:

SS443A

Made by Honeywell

Just type in either of those numbers and it'll take you to the part.

http://www.digikey.com/

The part Model Avionics uses is a Panasonic DN6852-A but digikey doesn't stock that exact part.

I have personal experience with the SS443A and it works just like the original. I don't know if this part will work for all the gov's out there.

With the sensor on a table and the lettering facing up and pins pointing toward you, the pin on the left will be soldered to positive, middle pin negative, and right pin will be soldered to the signal wire.

Digikey has a minimum order of $25 or they charge $5 handling. What three of us did was order enough sensors to get to the $25 point and split the sensors and the cost 3 ways. For less than $10 each you'll end up with a lifetime supply of spare sensors even with a warped fan.
There is a very fine line between "hobby" and "mental illness."
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08-01-2007 09:25 PM  13 years ago
RobRoy

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Huntsville, Alabama

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That's a bummer that they don't carry the Panasonic DN6852-A any more, they used to, I still have a dozen or so I ordered from them a couple years back. Not that the SS443A is a bad choice, but I like sticking to OEM when I can.Ignorance is curable, stupidity is for life.
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08-01-2007 09:26 PM  13 years ago
MasterCrash

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Gassaway, Tennessee

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HA HA !!!
I just bought 5 of them

Scott

""My other half is always trying to get rid of me. The other day she told me to put the garbage out;, I said to her I already did!! She told me to go and keep an eye on it. ""
And I thought that I Would never CRASH!!!
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08-02-2007 03:41 AM  13 years ago
HELILAB

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Sunny Miami Lakes, Florida 33016

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great, thanks just order 4 of them
Mario
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08-02-2007 03:54 AM  13 years ago
Ace Dude

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USA

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Digikey has a minimum order of $25 or they charge $5 handling. What three of us did was order enough sensors to get to the $25 point and split the sensors and the cost 3 ways. For less than $10 each you'll end up with a lifetime supply of spare sensors even with a warped fan.
Did you try Mouser.com? I don't believe they have a min. order/handling fee.
  
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08-02-2007 05:36 AM  13 years ago
Kevin Dalrymple

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Indianapolis

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DAVEYOST
wich metal fan did you put in your Nitro 600? Just wondering wich people are useing? I bought a 3DX and am wondering what the difference is from the other metal ones are?
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08-02-2007 06:10 AM  13 years ago
Dave Yost

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San Diego Ca, USA

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I called around today, and I guess the Align fan is not available in the states yet?

So, I picked up a new plastic one. I am thinking about the 3DX.

I am now down hard till after IRCHA To busy painting to take it apart and fix it and I leave on Sunday.

Life is just not fare.

Dave
MA Fury Extreme,Vibe 50, JR 9303,YS,Vblades, Don't blame me, I voted for Jimmy Buffet!
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08-16-2007 03:14 PM  13 years ago
playfair

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Rochester, NY

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Does anybody know if the 443A sensor is polarity sensitive like the original, meaning that it will only trigger off the N or the S pole, but not both? Thanks!
The sky is our canvas
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08-16-2007 03:18 PM  13 years ago
rstacy

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Rochester, NY

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Does anybody know if the 443A sensor is polarity sensitive like the original, meaning that it will only trigger off the N or the S pole, but not both?
I believe it is polarity sensitive but I have been wrong many times already this morning and right now I don't see any indication of the trend changing.
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08-16-2007 03:20 PM  13 years ago
kingair

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Utah - USA

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The SS443A in unipolar just like the stock sensor that Model Avionics uses.There is a very fine line between "hobby" and "mental illness."
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08-16-2007 11:44 PM  13 years ago
gordo high

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down yonder in the south

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Does anyone know if this will work with the multigov? I have gone thru 2 of them and tired of paying all that money and shipping for a sensor.Honey, I just need this one more thing and then I'm set..
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08-16-2007 11:47 PM  13 years ago
kingair

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Utah - USA

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Can you read the numbers on the sensor multi gov uses. Aerospire probably gets their sensors from a big supplier like digikey or mouser so IF the part is different than model avionics it should be easy to get anyway. My gut feeling is it's the same, hopefully someone knows for sure.There is a very fine line between "hobby" and "mental illness."
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11-21-2007 01:09 PM  12 years ago
TONYVAL

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Keyport, NJ - USA

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they also have them at Allied

https://www.alliedelec.com/Search/P...743750038F9E17F

no minimum
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11-21-2007 05:07 PM  12 years ago
SRXripper

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ocala, fl

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i did what kingair did with the aftermarket hall sensor, never had a problem, so cheap i bought extras

oh it was for a revax, the orginal sensor the wire coming out of the sensor broke from vibs
EVO50, OS50, JR8103DT, 9252's, Gy401/9254
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11-21-2007 05:36 PM  12 years ago
tchavei

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Portugal

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Regarding the right fan choice, check out my comparison here or at trextuning.com

Choose the right one for you according to the conditions you fly in and not based on marketing hypes.

BTW, I'm sorry I didn't test the metal align fan yet. Too much work right now

Tony

--------------------
"Perfection and patience usually walk side by side..."
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11-22-2007 02:54 PM  12 years ago
TONYVAL

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Keyport, NJ - USA

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bought 6 from allied. They were $1.60 each, S&H was about $2

Let you know how quick they arrive
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