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Knife ARF Hovering

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Old 02-15-2003 | 07:11 AM
  #26  
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Default Knife Video

...here's a video of the Knife - i've only had my digital camcorder about 5 weeks and used a web site development program for the first time last Sunday...so the site's pretty basic...

...and the video quality is not great - i'm using Arcsoft ShowBiz to compress the video and you seem to lose quite a bit of resolution in the process - we need to improve on our filming techniques, too - especially on when to use the zoom - also, some of it was taken quite a while after sundown using the Nightshot feature which is cool...but seems to degrade the quality...here's the link...

http://rcfunflyers.com
Old 02-15-2003 | 02:17 PM
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Default Knife ARF Hovering

Nice vid, reminds me of when I was learning to hover. I've never heard or seen a profile hover with a 4 stroker sounds cool.
Old 02-15-2003 | 02:24 PM
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Default Knife ARF Hovering

GBond, I think the video quality is actually great compared to most of the video Ive seen on the web. Are you filming this with a digital camcorder? Im wondering since I dont have a digital camcorder if I could use the movie mode on my new digital cam?Is anybody out there using this feature of a digi cam?
Old 02-15-2003 | 04:14 PM
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Default Knife ARF Hovering

...it's a Sony Mini Digital camcorder - Mdl TRV27 - it comes with the Zeiss zoom lens which seems to work pretty good...
Old 02-15-2003 | 05:01 PM
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Default Knife ARF Hovering

Well it puts out great video. Im gonna have to try some video with my digicam just to see how it looks.
Old 02-17-2003 | 04:18 PM
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Default A ha!!!

I see what you guys are doing. I have been trying to TR my Knife all along, really hard to keep it vertical. I'm thinking, "Man, am I ever going to be able to do this?". I'll just try to hover for now and leave TR for later.

Thanks All.

Tom...
Old 02-18-2003 | 01:40 AM
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Default Knife ARF Hovering

...tknobby - it think you're on the right track - i felt like i wasted a lot of hours starting out doing downwind hovers - i kept it almost perfectly vertical & the Knife would almost immediately go into a 1/2 torque roll, belly facing me - tough for a beginner and i never felt comfortable below 8-15 ft...i was able to occasionally pull off a complete torque roll at this altitude - but even a slight breeze blows your plane away making it hard to see in a hurry!...

...last month, i got some much-needed advice from the experts on RC Universe (WGeffon for one) - he suggested - 1. a four stroke makes hovering easier 2. starting out, keep your plane at a little less than vertical so it doesn't torque roll 3. hover into the wind

...seemed to work for me - i was able to bring it on down for some pretty low harriers/hovers - a couple of tail touches - it's a lot more fun & easier to see when you can bring it down lower - i've had it out 3-4 times now since i've been doing the lower level harriers/hovers...still no torque rolls on the deck - that's a whole 'nother level of difficulty, IMO...
Old 02-18-2003 | 01:45 AM
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Default Knife ARF Hovering

Well said, GBond
Old 02-18-2003 | 02:02 AM
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Default Anxious to fly

GBond,

Last couple of times I went flying I spent the whole time trying to TR. In a 15 mph wind! Plus, I haven't been able to bring myself to fly em low. We're talking 40+ feet up. I really don't like smacking them into terra firma. Needless to say, this type of flying is very difficult.

I am building a new fun fly airplane that will be powered by a Saito 72, should weigh in at 4 1/4 lbs.

But first I need to take the next step and get it down. I have a Knife like yours on the vid with an MVVS 49. More than enough power to hover. I just need to practice flying low and hovering and stop worrying about the TR.

I much enjoy RC Universe, have read a lot of posts that have helped. It's the first site I go to when I turn on my computer.

Tom...
Old 02-18-2003 | 02:16 AM
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Default Question

GBond,

Where do you have your CG set on your Knife? I've moved mine back to the point that when the airplane is inverted she climbs at a good rate! Really she climbs both inverted and upright. Worse when inverted.

Thanks,

Tom...
Old 02-18-2003 | 03:03 AM
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Default Knife ARF Hovering

...i've moved the CG around quite a bit but finally settled? on about 5" back i guess...

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