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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Revlock not working with TJPro magnet
10-11-2005 10:16 AM  13 years agoPost 1
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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The magnet came out of my Sceadu fan and sliced the top of the Revlock sensor. I fitted a new sensor and as I had some spare magnets from a TJ Pro, I fitted one of these in the fan. I now find that the sensor will not detect these magets very well and when the gov is engaged, I can tell the sensor is picking up the magnet about 1/2 the time. The gap between magnet and sensor is as small as I can make it. Even passing a spare TJPro magnet across the top of the sensor by hand doesn't do anything most of the time.

Is there a reason for this as I would have thought the Revlock sensor would work with either polarity of a magnet and I assumed all such magnets are pretty much the same - perhaps it needs a stronger magnet?

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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10-11-2005 10:37 AM  13 years agoPost 2
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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The sensor sees only one poll of the mqagnet. Do you have sensor writing up? If so, flip the sensor if not glued.

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10-11-2005 10:46 AM  13 years agoPost 3
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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Al, its a Revlock sensor (it doesn't flip) trying to get it working with a TJ Pro magnet.

Its the TJPro sensors that flip...

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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10-11-2005 10:49 AM  13 years agoPost 4
DOKEY

rrProfessor

Northamptonshire UK

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I have used other magnets on my Revlock before and never had a problem, maybe it is a faulty sensor ?

Ryan.

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10-11-2005 10:52 AM  13 years agoPost 5
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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It could be the sensor, but it was new from SkyLine. I've got a Revlock magnet (and new fan) in the post so will try that when it arrives.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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10-11-2005 10:59 AM  13 years agoPost 6
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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Oh yeah, sorry. Whoever chose RevLock/RevMax should have been shot.

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10-11-2005 12:29 PM  13 years agoPost 7
white chocolate

rrKey Veteran

Baltimore, Md.

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You have to flip the magnet!!! Revlock is only sensitive to one pole. You have it backwards. A manget is a magnet. Doesnt matter where it came from.

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10-11-2005 12:36 PM  13 years agoPost 8
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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I could swear the instructions tell you the Revlock can work either either pole of the magnet, the TJPro is sensitive in this respect. I tried passing a spare TJPro magnet passed the sensor in both orientations and it made no difference.

Think I need to wait to try a Revlock magnet - that should be conclusive as to whether I have a duff sensor, or if the magnets are different somehow.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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10-11-2005 12:40 PM  13 years agoPost 9
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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Quote from the manual:

"The magnet may be mounted either North or South face out - RevLock copes with either polarity."

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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10-11-2005 01:10 PM  13 years agoPost 10
ESWLFSE

rrElite Veteran

Liberty Hill, TX

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Maybe its too close. The instructions say 1-2mm or about 1/16". If you are testing it manually it doesn't work too well. You have to move the flywheel back and forth across the magnet very quickly. Best test is to spin it with the starter. I thought I had issues at first but no its 100% reliable in recognizing the magnet and enabling itself.

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10-11-2005 10:18 PM  13 years agoPost 11
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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I took the engine out and opened up the gap slightly...and it appears to work. Turn on the Rx, crank the engine anti-clockwise 4 times and the revlock is armed - previously I would have to crank the engine several times before it armed but now its consistently 4. I think this is gonna work fine. Will have to fly it to see!

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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