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Old Sep 09, 2012, 01:19 AM
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Windsor, Canada, near Detroit
Joined Jul 2007
5,048 Posts
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another way for telemetry

there is another (and cheaper) way to get telemetry (maybe this is the cheapest), by using this system:
http://www.hobbyking.com/hobbyking/s...dproduct=10343
it includes the sender that goes into the plane, and the receiver, that is bolted to the radio.
in this case, the sender (transmitter) that is installed in the plane weighs 16 grams, that has to be added to the plane's receiver weight, in comparison with the other system that i mention in my blog (in which the receiver has telemetry included so it also sends data to the radio, and you don't need the additional transmitter in the plane).
but for planes that are medium to large size this is not much of a handicap, and there are some savings with this.
(the price for all is $49.99 to this day, +sh) or you can use a flexible antenna (lighter, easier to install) that is 4.95 + sh
and for more planes, an aditional transmitter ($29.99 + $6.95 sh) http://www.hobbyking.com/hobbyking/s...mp_Amp_V2.html http://www.hobbyking.com/hobbyking/s...dProduct=10896 is 4.95 + sh
am learning that is very convenient to add a temp/amp sensor ($19.79) http://www.hobbyking.com/hobbyking/s...dProduct=11251
so altogether we need: basic system: 49.99; flex ant: 4.95; plus amp sensor: 19.79=$74.73
there is a thread that analizes all with great detail: http://www.rcgroups.com/forums/showthread.php?t=1267361
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Last edited by phil alvirez; Dec 31, 2012 at 04:21 PM.
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Old Sep 09, 2012, 03:17 PM
Registered User
Canada, ON, London
Joined May 2011
1,658 Posts
Hey there... yeah the Quanum is a decent unit and does what it says. I've had one for about a year now and use it once in awhile.

Some notes for those interested:
- keep the transmitting unit _and_ its antennae away from any servo / other lines that go to the Rx. Not sure why, but when the unit is too close to these lines you will get servo noise / jitter.

- be aware that this unit is on 2.4 GHz as well. I think the safe way to power things up is to plug the Quanum Tx onto the balance plug, then turn on the Quanum Rx unit... and Then do your usual Transmitter then ESC plug ins. This way when your transmitter links with your receiver over DSM/DSMX / whatever protocol it can / will avoid any overlapping frequencies in the 2.4 band. This sequence has worked for me... others' mileage may vary.

- the flexible antenna is definitely worth it - especially if you're putting in a sailplane with limited space. The default rubber duck antenna is bulky and hard to keep away from the other electronics.

Hope this helps.... thanks for the blog and posts...

J
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Old Sep 10, 2012, 07:17 PM
Registered User
Windsor, Canada, near Detroit
Joined Jul 2007
5,048 Posts
gret advice

Quote:
Originally Posted by uberjay View Post
Hey there... yeah the Quanum is a decent unit and does what it says. I've had one for about a year now and use it once in awhile.

Some notes for those interested:
- keep the transmitting unit _and_ its antennae away from any servo / other lines that go to the Rx. Not sure why, but when the unit is too close to these lines you will get servo noise / jitter.

- be aware that this unit is on 2.4 GHz as well. I think the safe way to power things up is to plug the Quanum Tx onto the balance plug, then turn on the Quanum Rx unit... and Then do your usual Transmitter then ESC plug ins. This way when your transmitter links with your receiver over DSM/DSMX / whatever protocol it can / will avoid any overlapping frequencies in the 2.4 band. This sequence has worked for me... others' mileage may vary.

- the flexible antenna is definitely worth it - especially if you're putting in a sailplane with limited space. The default rubber duck antenna is bulky and hard to keep away from the other electronics.

Hope this helps.... thanks for the blog and posts...

J
thank you. great advice.
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