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 Post subject: Jetcat hotcat
PostPosted: Mon 26. Aug 2019 13:05:23 
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Joined: Sat 13. Jan 2018 11:31:49
Posts: 13
Dear,

I've started flying my Jetcat Hotcat now. Some 7 flights right now.
It's a turbine powered helicopter, 3blade PSG rotorhead, 175 cm rotordiameter, 3 blade tail rotor.
Total weight approximately 9 kg (or less), overall length 2m
Rotorspeed approximately 1180 rpm
Rotor is controlled by 4 servo's (KST BLS 815 for the rotor, BLS 805 for the tail)with a 45 degrees ofset. Rotation is counter clockwise.

So, now I'm taming the beast. It has a large surplus of power, but I want to get it more smooth.

I use 20% expo, 80% D/R.

I've recently changed the flight characteristics to 5 (more flybar like), this seems to get it more smooth already. I use a Spirit Pro unit with the latest firmware
Attachment:
setup Hotcat.4ds [255 Bytes]
Downloaded 13 times
.

Do you have suggestions on how to make this bird flying more smoothly? It is now quite touchy, but I would like it to fly like it did when I had flybars on it, very smooth, scale like.
ALso for the tail, which is now very sharp and fast.

WHat do I need to change in this setup?

At this moment, I only have a very faint tail wag, but that might also be a problem of a long tail and strong crosswinds lately. I now have a sensitivity fot the tail of approximately 55.

I'm very interested in your advice!


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 Post subject: Re: Jetcat hotcat
PostPosted: Mon 26. Aug 2019 21:28:55 
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 12210
Hello,

it is very nice that you are flying with such helicopter. You can take some photos.

To make it more smooth you can freely set Flight Style to 8.
If you do not fly any 3D then configuring Advanced/Cyclic Feed Forward to 3-4 will help too.

_________________
Spirit System developer


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 Post subject: Re: Jetcat hotcat
PostPosted: Mon 26. Aug 2019 22:34:30 
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Joined: Sat 13. Jan 2018 11:31:49
Posts: 13
Thanks for your fast Repko!
No, no 3D. Wouldnt want to put the machine at risk!

I Will try your suggestions!


Attachments:
839BFF10-00FA-45A1-8D93-06FB1EDD5D3D.jpeg
839BFF10-00FA-45A1-8D93-06FB1EDD5D3D.jpeg [ 16.28 KiB | Viewed 106 times ]
FA45C050-F263-4672-84B6-2E5758BE79C2.jpeg
FA45C050-F263-4672-84B6-2E5758BE79C2.jpeg [ 1.04 MiB | Viewed 106 times ]
9845FBDD-B788-446B-993B-E1E200985612.jpeg
9845FBDD-B788-446B-993B-E1E200985612.jpeg [ 1.04 MiB | Viewed 106 times ]
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 Post subject: Re: Jetcat hotcat
PostPosted: Thu 29. Aug 2019 7:41:30 
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 12210
Very nice machine! Thank you for sharing the photos!

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Spirit System developer


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