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You dont need a TSO'd unit if it the unit meets the TSO spec but has not been certified. It is a 1 sentence blurb in the faa jargon somewhere that I learned getting certified in the Uavoinx system. There are squitters that use 250 maH and are the size of a cigarette package, if you want it, you have no excuses. I run a 7ah battery, with the radio and transponder, I can go 4 hours if I leave the transponder on at those rates and still have enough volts to still transmit. Tim
Tim,
What do you know about Trig and TQ units?
Trigg says their tt22 burns .34 amps during typical queries/response rate and something like .15 amps at idle.
TQ says .2 amps at idle and up to 1.0 amp at what I assume is maximum queries/response rate.
Ever seen any real data?
Dave
p.s. Just got this information from TQ - "The typical Power consumption is 250mA at 12 V if no interrogation occurs. If the transponder replies at maximum interrogation the power consumption can raise up to 1A. On average 300mA is a realistic scenario."
Last edited by Guest; 04-12-2019, 09:17.
Reason: added post script
I installed an Echo UAT with the FX gps antenna, mix it with an Ifly gps and you have everything out. I avoid Trig units because they were not known for customer service but if a customer has one I just do what needs to be done. I have a Microair that I put in a box with a battery, it works to cross the border, I could fit an Echo unit in it if I want, I just dont want to, it adds weight. Tim
The Trig tt22 transponder is still almost $2,000 just for the hardware. The requirements for being seen electronically is coming and I do like the added safety of showing up that way, although I hear from WAY too many people who rely on the electronics to avoid others and don't use the Mk1 eyeball enough. I had a boss who was flying a Mooney cross country on a regular basis on IFR flight plans and did paperwork while "George" flew the plane. When I heard that he thought my reaction was out of line and he told me it was the controllers job to provide clearance from traffic. I don't work for him any more but frankly, he was the most intelligent IDIOT I have ever known.
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No one said this was cheap Hank, but you only need to do it once in while, when the electronics fail...just like a cell phone.
Just looked at the ktx2 and it appears smaller and less expensive at $1,299 from Sarasota Avionics.
Class 1 Transponder with an operational range up to 35,000ft and 250kt. Good for aircraft up to 12,500 lbs.
Low weight of only 360 grams (0.79lb) Mounts in a standard 2 1/4 round hole with a "portrait or landscape version coming (assume that means rectangular hole). It is 5 2/3" deep and is available in a portable version (very attractive to me since I can move it from plane to plane!) It can also be combined with their Dittel KRT2 radio transceiver at $1049 (haven't looked at that yet). Still looks like it requires a GPS from outside and I kind of doubt they would buy our using the cabin pressure for a static altimeter source.
The Trig tt22 transponder is still almost $2,000 just for the hardware. The requirements for being seen electronically is coming and I do like the added safety of showing up that way, although I hear from WAY too many people who rely on the electronics to avoid others and don't use the Mk1 eyeball enough. I had a boss who was flying a Mooney cross country on a regular basis on IFR flight plans and did paperwork while "George" flew the plane. When I heard that he thought my reaction was out of line and he told me it was the controllers job to provide clearance from traffic. I don't work for him any more but frankly, he was the most intelligent IDIOT I have ever known.
See blue, above- Hank, correct but it will only get worse just like texting while driving.
One day last week I had three occurrences of an oncoming car coming into my lane and one was close.
I put in a skyBeacon for the sole purpose of being on the screen of other planes that have ADS-b in.
I do not even have a transponder with it and a transponder is not needed if you only want to be seen. You will need one to go into the listed air spaces.
At Sun and Fun a friend pointed out the TQ unit. For $1300 plus another $100 for cables & antenna it got me thinking about adding it.
Also if I add it I can get the $500 rebate so I am getting a transponder for about $900. A good deal I think.
Today I pre-ordered a TQ ktx2 from Sarasota, they showed me the unit at Sun and Fun. Should have it with FAA certification by the end of April according to the TQ guys.
TQ will be easier to install since it is one unit and I have room behind panel whereas the Trigg requires me to make a harness and mount two components.
Dave,
You should open a new thread and document what all you do to put this system in. This thread has me REALLY seriously considering pulling the trigger. Sure would have been easier if I didn't have a few thousand in under withholding on taxes this year! I had forgotten about the $500 rebate. A system for $900 could actually be within reach and when I told my wife about the radio that could be put with it she kind of perked up (I think she is nervous about my using a hand held all the time).
Hank
Just looked at the ktx2 and it appears smaller and less expensive at $1,299 from Sarasota Avionics.
Class 1 Transponder with an operational range up to 35,000ft and 250kt. Good for aircraft up to 12,500 lbs.
Low weight of only 360 grams (0.79lb) Mounts in a standard 2 1/4 round hole with a "portrait or landscape version coming (assume that means rectangular hole). It is 5 2/3" deep and is available in a portable version (very attractive to me since I can move it from plane to plane!) It can also be combined with their Dittel KRT2 radio transceiver at $1049 (haven't looked at that yet). Still looks like it requires a GPS from outside and I kind of doubt they would buy our using the cabin pressure for a static altimeter source.
Hank
Uhm, no you cant just move it from airplane to airplane unless you totally reprogram it...and the echo comes with a semi built in GPS antenna, you will also blue tooth in for traffic to a portable GPS.
Uhm, no you cant just move it from airplane to airplane unless you totally reprogram it...and the echo comes with a semi built in GPS antenna, you will also blue tooth in for traffic to a portable GPS.
On the TQ ktx2 you can move it from aircraft to aircraft.
It can store up tp 8 call signs.
Here is a snippet from the manual; "2.9.5.7. Use of multiple aircraft
When the transponder is to be used for more than one aircraft (e.g. balloons) it is possible to enter up to 8 call signs. In this case every time the transponder is switched on the respective call sign must be selected."
Is it smart or legal to do that? I don't know but the transponder does accommodate it. TQ folks are pretty clever.
You dont need a TSO'd unit if it the unit meets the TSO spec but has not been certified. It is a 1 sentence blurb in the faa jargon somewhere that I learned getting certified in the Uavoinx system. There are squitters that use 250 maH and are the size of a cigarette package, if you want it, you have no excuses. I run a 7ah battery, with the radio and transponder, I can go 4 hours if I leave the transponder on at those rates and still have enough volts to still transmit. Tim
Tim,
So you're stating that although the uAvionix documentation lists the SkyFYX/FYX-Ext and Echo products as "Experimental and LSA aircraft only", they can be legally installed in any T-craft, including non-electric and electrified BC12D-85 and Model 19? If so, a combo of $959 EchoUAT transceiver, $489 SkyFYX-Ext WAAS position source/ADS-B In receiver, and $1299 TQ KTX2-S transponder provides UAT ADS-B Out and ADS-B In WiFi for $2747. Not cheap, but less expensive than other solutions for those of us who need to purchase a transponder, as well as ADS-B Out. The SkyBeacon would be an option, but I'm leery of its vulnerable wingtip location.
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