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First ZMR250 Build/ Acrobatic questions
#16
(19-Apr-2016, 01:47 AM)Bandook Wrote: That's not a problem. You mentioned that you had issues with your antenna fitting the vtx. Since your vtx is an rp-sma...I'm not sure how you got an sma antenna on it. Both have the pokey bits. I would triple check that you have the right vtx/antenna combo.

they way i fixed this is that i got the same antennas but the opposite socket. and i just use 1 of each on whichever socket they fit on. Because my goggles have different ones than my transmitter. Is that ok?
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#17
When you have a problem.. Or see a term you are not sure of, ALWAYS Google it first... People will be more willing to help you if you can be a bit more proactive.. Do your research and most of the time you can find the answer yourself... Only ask when you can't find the answer anywhere.. At least give it a try Smile

Regarding your VTX range problem... What are your connector types on the VTx and antenna? Make sure one side is a pin and the other side has a hole... Same goes with the VRX.... Also make sure you have set the band and channel correctly on both VTX and VRX (same frequency).. For your setup I think you should expect at least 400 to 500 meters even more
Don't be a LOS'er, be an FPV'er :)  My Gear - Facebook - Instagram - Twitter
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#18
(18-Apr-2016, 09:34 PM)joserendon5102 Wrote: What is AirMode? Is it just no modes in cleanflight? I thought acro mode was just no mode selected in cleanflight considering it only shows horizon and angle.  I'm willing to learn right off the bat in acro i just want to know if their is any configuration needed or sensitivvity settings etc..

Airmode is a seeting in Cleanflight that keeps the motors spinning at the minimum when you put your throttle at Zero. This gives you control of your quad when doing aerobatics.

Oscar dos a great explanation on his article about this implementation on Betaflight: http://blog.oscarliang.net/betaflight-airmode/

I believe Cleanflight just recently included this in their settings.

AirMode is used only in Acro and requires you to arm the quad with a switch on a separate  instead of using stick commands.

What flight modes are you used to flying in?
Do you switch between flight modes with a switch?

Acro is really not that hard to fly. Just keep in mind that you stick inputs will be exactly translated to the quad: pitch your stick 10 deg forward, the quad will pitch in the same way and stay in that attitude even if you set your stick back to zero, to get it back back to hover you need to pitch back the same amount of degrees.

Start flying low to get used to the difference in control (knee height?). Once you get comfortable and feel like flipping/rolling, get some height (30-40 meters) and try some rolls (i find rolls are easier as you are always in view of the horizon).
When flipping/rolling, you must bring throttle to as minimum as possible (or Zero if you you have AirMode) and once you are out of the maneuver you can throttle back up and recover.

Post back with how it goes.

Once you start aerobatics your prop stash will just fall in quantites fast, be prepared.

Fun flying!
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#19
(19-Apr-2016, 06:54 PM)orejass Wrote: Airmode is a seeting in Cleanflight that keeps the motors spinning at the minimum when you put your throttle at Zero. This gives you control of your quad when doing aerobatics.

Oscar dos a great explanation on his article about this implementation on Betaflight: http://blog.oscarliang.net/betaflight-airmode/

I believe Cleanflight just recently included this in their settings.

AirMode is used only in Acro and requires you to arm the quad with a switch on a separate  instead of using stick commands.

What flight modes are you used to flying in?
Do you switch between flight modes with a switch?

Acro is really not that hard to fly. Just keep in mind that you stick inputs will be exactly translated to the quad: pitch your stick 10 deg forward, the quad will pitch in the same way and stay in that attitude even if you set your stick back to zero, to get it back back to hover you need to pitch back the same amount of degrees.

Start flying low to get used to the difference in control (knee height?). Once you get comfortable and feel like flipping/rolling, get some height (30-40 meters) and try some rolls (i find rolls are easier as you are always in view of the horizon).
When flipping/rolling, you must bring throttle to as minimum as possible (or Zero if you you have AirMode) and once you are out of the maneuver you can throttle back up and recover.

Post back with how it goes.

Once you start aerobatics your prop stash will just fall in quantites fast, be prepared.

Fun flying!
Thanks for your help! I've only flyed in angle mode. I want to start learning the other modes though.  I will follow your advice!

(19-Apr-2016, 03:34 PM)Oscar Wrote: When you have a problem.. Or see a term you are not sure of, ALWAYS Google it first... People will be more willing to help you if you can be a bit more proactive.. Do your research and most of the time you can find the answer yourself... Only ask when you can't find the answer anywhere.. At least give it a try Smile

Regarding your VTX range problem... What are your connector types on the VTx and antenna? Make sure one side is a pin and the other side has a hole... Same goes with the VRX.... Also make sure you have set the band and channel correctly on both VTX and VRX (same frequency).. For your setup I think you should expect at least 400 to 500 meters even more

Thank you Oscar!  Smile

I did do a lot of research, and maybe i was doing it wrong, but i didn't find the answers i found here. Specially for my range issue.  And the reason i posted this is because a lot of times you guys give me information on things i'm not even familiar on that i can do research on. For example,  Power filters, Airmode, there is a difference between channels and frequencies, etc.. Those are things i didn't know even existed,  and i now have a whole much of material to do research on. But you're right,  I should do more research, and not ask about terms on a blog xD i feel silly now hahaha Thanks!

In the other hand, i will try on my next fly to put the proper channels, my antennas do fit the description you told me. I'm thinking maybe my channel is wrong because i thought if i see an image then i am good to go, but apparently thats not the case. I will try this week and let you know how this goes.
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#20
Nope many channels are very close together. Of the 40 channels available, you may be able to get a good image on 4 or 6 different ones when you are next to your quad.

Just a thought, if you had the wrong antenna on your vtx it may be possible that you have damaged it. I think u said it was a 600mw? For instance, if you had a rp-sma antenna on your sma vtx, your center lead was not connected. That means that the signal was not getting out as it should and making your vtx run hotter. Just something to keep in mind but first make sure your connections are correct and your on the right channel. I flew for a month on my 200mw vtx with the wrong adapter. It was a glorious day when I realized my mistake and experienced full signal strength Smile
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#21
(20-Apr-2016, 03:11 AM)Bandook Wrote: Nope many channels are very close together. Of the 40 channels available, you may be able to get a good image on 4 or 6 different ones when you are next to your quad.

Just a thought, if you had the wrong antenna on your vtx it may be possible that you have damaged it. I think u said it was a 600mw? For instance, if you had a rp-sma antenna on your sma vtx, your center lead was not connected. That means that the signal was not getting out as it should and making your vtx run hotter. Just something to keep in mind but first make sure your connections are correct and your on the right channel. I flew for a month on my 200mw vtx with the wrong adapter. It was a glorious day when I realized my mistake and experienced full signal strength Smile

yeah i did notice my transmitter was rlly hot. haha i feel so dumb. But i did check and i do have a pin going into a whole on both ends. hopefully during my noobish time with the wrong antenna i didnt damage my transmitter.  I still notice it still gets warm, is that normal on a vtx though?
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#22
(20-Apr-2016, 03:23 AM)joserendon5102 Wrote: yeah i did notice my transmitter was rlly hot. haha i feel so dumb. But i did check and i do have a pin going into a whole on both ends. hopefully during my noobish time with the wrong antenna i didnt damage my transmitter.  I still notice it still gets warm, is that normal on a vtx though?

Perfectly normal for the vtx to get hot, and 600mW ones get hotter than 25mW and 200mW ones. Try not to leave your quad powered up sitting idle as there is very little airflow going over the VTX.
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#23
(20-Apr-2016, 09:17 AM)BigglesFPV Wrote: Perfectly normal for the vtx to get hot, and 600mW ones get hotter than 25mW and 200mW ones.  Try not to leave your quad powered up sitting idle as there is very little airflow going over the VTX.

thanks so much!! ill let you know how it goes
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