Official Freewing 80mm Avanti S Sport Jet Thread

[Evan D]

I don't think anyone does.

[MetallDanny]

Everybody use the CG from the book?

[Per_P]

The Avanti V2 is great to fly. I put a Kingtech K45G4 turbine in mine so there is more than enough power when/if necessary.
I found it hard to transport the model safe, so I designed a holder/stand for the model. Now it sits fine both at home and in the car during transport. I uploaded the files to thingiverse so if you got a 3d printer you can print them yourself.

https://www.thingiverse.com/thing:6257611

[MetallDanny]

This is my First Freewing Jet and really enjoying this Avanti v2!!
I fly with a 5000 100c smartpack
and Spektrum AR737T

my as3x numbers are
Roll 24%
Pitch 46%
Yaw 36%

[mszulen]

Enjoy it, and I suggest you balance it much further aft than the manual calls for, but that's my opinion! And I agree with others that a gyro is not absolutely needed,

My initial CG was just behind the marked position (3-4mm further). Looks like indeed, it should go more to the back. I'll try it next time (I've seen some comments suggesting ab. 120mm location).

[mszulen]

I've finally had a chance to maiden my Avanti S V2. What a nice plane! As many of you said - no gyro needed at all. So stable and predictable behaviour. Plenty of power and a gentle landings. It's definitely a keeper :)
I'm flying it with Ovonic 4500mAh 100C battery and using Frsky Archer SR8 Plus receiver (it does have gyro but haven't used it yet...)

[Foeka]

Video of the working of the vector thrust

[Foeka]

My Freewing Avanti with vector thrust. Its only the third flight with this so thats why the maneuvers are so high

[mszulen]

You do not really need a gyro for an Avanti but if you want to use one then use minimum gains for windy days. I flew mine without it for the first 2 years no problem. I installed one but I only use it if it is very windy and gusty eg 20mph + You might try the first 12 flights with gyro off, see how you go and decide from there. What is the bike?

Good to know it's so stable. Yeah, I've wanted to use gyro just in case.
The bike? 2019 Kawasaki Z1000SX for us - EU folks, or Ninja 1000SX in USA :)

Not all gyros have the same sensitivity, but here's some figures I've used on the original Avanti S (which I now installed the new FW 12 blade 2150 coming in the V2-and still using same figures). This is with the older Spektrum AR636 AS3X RX. Flaps up, Aileron/Elevator/Rudder 40%/45%50%. I have my gain Flight Modes switched to the Flaps. With Take-Off Flaps it goes to: 70%/75%/80% and with Landing Flaps to 70%/80%/85%. I've been using the newer AR637T RX the last few years and noticed the gains are just a slight bit more sensitive. The control surfaces on the Avanti are relatively small so you should be able to fly full throttle with most gyros around my flaps up settings without any oscillations. I do have the ability to adjust the gains in flight with my right knob but have never had to turn them down. Could probably go higher but those first gain settings keep it smooth in most winds. Enjoy it, and I suggest you balance it much further aft than the manual calls for, but that's my opinion! And I agree with others that a gyro is not absolutely needed, I just put one in everything since I exclusively use the AR637T RX in everything so why not use it if you got it!

That's why I've specifically mentioned SR8+ receiver (Frsky Archer Plus) hoping someone was/is using it.

I guess, I'll put the gyro sensitivity on the knob and experiment once I get used to the plane without.

I was flying E-Flite's Xavoc XE without the gyro, so I guess, Avanti S V2 is way more stable/easier to fly.

[Hugh Wiedman]

About the transmitter: I use X20S
It turns out, the standard sxr setup can't be used. Archer Plus receivers require a separate lua scripts.
Finally, I've got it working (I was not able to switch the gyro modes initially),but I'm more interested in the opinions regarding the specific gain values used for Avanti (unless, gyro is nor really needed).

Not all gyros have the same sensitivity, but here's some figures I've used on the original Avanti S (which I now installed the new FW 12 blade 2150 coming in the V2-and still using same figures). This is with the older Spektrum AR636 AS3X RX. Flaps up, Aileron/Elevator/Rudder 40%/45%50%. I have my gain Flight Modes switched to the Flaps. With Take-Off Flaps it goes to: 70%/75%/80% and with Landing Flaps to 70%/80%/85%. I've been using the newer AR637T RX the last few years and noticed the gains are just a slight bit more sensitive. The control surfaces on the Avanti are relatively small so you should be able to fly full throttle with most gyros around my flaps up settings without any oscillations. I do have the ability to adjust the gains in flight with my right knob but have never had to turn them down. Could probably go higher but those first gain settings keep it smooth in most winds. Enjoy it, and I suggest you balance it much further aft than the manual calls for, but that's my opinion! And I agree with others that a gyro is not absolutely needed, I just put one in everything since I exclusively use the AR637T RX in everything so why not use it if you got it!

[paulrkytek]

cougar has more servos, sequenced gear door servos therefore pulls more amps hence safety margin of 7amp bec. Some people run separate BEC with separate 500amp 2 s battery in case they get over enthusiastic and flatten the main lipo but flight times are good on the Avanti and this is not likely if you remember to set the tx timer

oops, 500mah 2s lipo 500amps would be a bit too much

[paulrkytek]

About the transmitter: I use X20S
It turns out, the standard sxr setup can't be used. Archer Plus receivers require a separate lua scripts.
Finally, I've got it working (I was not able to switch the gyro modes initially),but I'm more interested in the opinions regarding the specific gain values used for Avanti (unless, gyro is nor really needed).

You do not really need a gyro for an Avanti but if you want to use one then use minimum gains for windy days. I flew mine without it for the first 2 years no problem. I installed one but I only use it if it is very windy and gusty eg 20mph + You might try the first 12 flights with gyro off, see how you go and decide from there. What is the bike?

[mszulen]

Depending on the radio you have, if it is ethos, you can go to your model menu then devices, there you will see sxr. Click that and you will be able to change your gains and also do calibration of the accelerometers if needed.

About the transmitter: I use X20S
It turns out, the standard sxr setup can't be used. Archer Plus receivers require a separate lua scripts.
Finally, I've got it working (I was not able to switch the gyro modes initially),but I'm more interested in the opinions regarding the specific gain values used for Avanti (unless, gyro is nor really needed).

[rifleman_btx]

Thanks again for a detailes tips! I'm going to maiden it as soon as I get through setup of the receiver.

BTW,
Anyone using Frsky SR8(plus) receivers? How do you setup the gyro (gains etc)?
It's first time for me using those receivers.

Depending on the radio you have, if it is ethos, you can go to your model menu then devices, there you will see sxr. Click that and you will be able to change your gains and also do calibration of the accelerometers if needed.

[paulrkytek]

Do you see any need for installing a bec in this plane?I noticed the new cougar has a 7 amp bec.

cougar has more servos, sequenced gear door servos therefore pulls more amps hence safety margin of 7amp bec. Some people run separate BEC with separate 500amp 2 s battery in case they get over enthusiastic and flatten the main lipo but flight times are good on the Avanti and this is not likely if you remember to set the tx timer

[Evan D]

The original had only a 5A BEC and was fine.

[hellcat716]

I been putting mine through a lot with the 100A esc. Haven't had any issues either. Also have 100A in the tomcat. All good so far. And thats with 18 flights in 100+ degree weather. I can tell you the batteries don't like it.

Do you see any need for installing a bec in this plane?I noticed the new cougar has a 7 amp bec.

[mszulen]

Thanks again for a detailes tips! I'm going to maiden it as soon as I get through setup of the receiver.

BTW,
Anyone using Frsky SR8(plus) receivers? How do you setup the gyro (gains etc)?
It's first time for me using those receivers.

[paulrkytek]

Perfect! Thank you!
1/2 flaps of the setting described as "low rate" in the manual? Is the other deflection of flaps ok for landing?

1/2 flaps 20mm down, full flaps 40mm down for landing in 6-12mph wind. Flat calm a bit more full flap, zero throttle in both cases, more wind a touch of throttle. You will find what suits you best after a few flights. Fly smooth, wide turns until you get used to it, keep it within 150 metres, full throttle take off,climb to a good height, gear up, flaps up cruise at just above half throttle, 3/4 throttle going in to turns. Set timer to 3 mins to start on 4000 or 5000mah lipo and have a good maiden flight, land on mains first.

[mszulen]

Consider 2 settings go low as per BD for normal flying but flick the switch to high rates for take off with elevator set to high, ailerons and rudder on low, 1/2 flaps for take off on grass, plenty expo on elevator on high rates. After a couple of flights adjust rates to suit yourself.

Perfect! Thank you!
1/2 flaps of the setting described as "low rate" in the manual? Is the other deflection of flaps ok for landing?