SMALL - espritmodel.com SMALL - Telemetry SMALL - Radio
Reply
Thread Tools
Old Feb 13, 2012, 12:41 PM
Registered User
ashdec87's Avatar
United States, MI, Detroit
Joined Feb 2004
9,090 Posts
its also so much larger than the skywalker, can make it difficult to transport. I've seen some videos of the SW being thrown around. I don't see the x8 being capable of that.
ashdec87 is offline Find More Posts by ashdec87
Reply With Quote
Sign up now
to remove ads between posts
Old Feb 13, 2012, 12:50 PM
Praying for better weather
Coyote64's Avatar
Joined Dec 2007
4,178 Posts
Not really, with the wings off each parts no longer than a walkers. I think the oposite with the capabilities too. I think the X8 will barrel roll, loop and fly inverted far better than the walker ever could. And it wont snap its wings in the process lol
Coyote64 is offline Find More Posts by Coyote64
Reply With Quote
Old Feb 13, 2012, 12:50 PM
Registered User
United States, CA, Redding
Joined Jul 2004
83 Posts
Lets remember that the X8 is new and we don't know what problems if any it will have. It could have lots of problems nobodies encountered yet. I've seen a very few videos of the X8 flying and the few I have seen those pilots are not doing loops, rolls, inverted flight with full FPV gear.

The first X8's are just now being built and test flown. I'm going to wait and see a few months of reviews before I jump on the X8 bandwagon.
Opus44 is offline Find More Posts by Opus44
Last edited by Opus44; Feb 13, 2012 at 12:53 PM. Reason: more
Reply With Quote
Old Feb 13, 2012, 12:54 PM
Registered User
Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
28,875 Posts
Quote:
Originally Posted by Coyote64 View Post
Really Ian ? I see the X8 as a skywalker without the downsides

Load carying capacity - Yes
Flight duration of a walker - Yes + more
Stable - Yes

Badly designed wings that snap at the thought of doing a roll - Nope
Spare problems with wing design - Nope
Weak rear stab`s - Nope

Its got all the right features of a Skywalker, with none of the crap engineering you get with a walker. Win win to me
Yes really.
No Flaps possible thus
Longer/faster landings
Wings much more vulnerable to damage due to proximity to ground and fast landings
No obvious way to mount GoPro on Pan or P&T.
Much longer wing means not a plane you want to fly low and close to the ground, which
many people do with the SW. X8 is not a plane that's going to feel comfortable buzzing
around the local park between the trees.
Heavier, thus will use more power climbing requiring bigger batteries.
Also requires bigger more expensive power system in general.
The SW sets up and breaks down quicker, and will take up less space in the car.

I've got a Foamaroo (which can carry up to twin 5000mAh packs) and Skywalker, and they
each have their roles, but really not a replacement for one another at all. Of the two,
the Skywalker is still the most versatile platform.

And yes, I'm building an X8 now, but I don't see a lot of overlap in their missions.

ian
Daemon is online now Find More Posts by Daemon
RCG Plus Member
Old Feb 13, 2012, 01:00 PM
Registered User
Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
28,875 Posts
Quote:
Originally Posted by Coyote64 View Post
Not really, with the wings off each parts no longer than a walkers. I think the oposite with the capabilities too. I think the X8 will barrel roll, loop and fly inverted far better than the walker ever could. And it wont snap its wings in the process lol
The X8 wing halves are longer than the original SW's. The fuse is shorter, but much fatter
and it'll be awkward to carry in the car. Imagine if all your antennas were sticking
straight out the side of the SW fuse rather than the top.

ian
Daemon is online now Find More Posts by Daemon
RCG Plus Member
Last edited by Daemon; Feb 13, 2012 at 01:34 PM.
Reply With Quote
Old Feb 13, 2012, 01:03 PM
Registered User
Portugal
Joined Nov 2009
806 Posts
Also, X8 will be preferable than SW for flying in windy conditions...
HF_ATL is offline Find More Posts by HF_ATL
Reply With Quote
Old Feb 13, 2012, 01:07 PM
Praying for better weather
Coyote64's Avatar
Joined Dec 2007
4,178 Posts
Have you seen how slow the X8 lands ? No flaps required
Yes agreed the wings might get damaged on landing, but better that then snap in the air writing the whole plane off
Agreed on the Gopro pan and tilt, but the now current V5 walker offers none of this either with the new canopy. I dont like the stock Gopro moulding in the X8 either, it points too low.
I use my walker for long range missions, with the 1900 wings i wouldnt be too keen buzzing around local parks either.
One of the new owners clocked 25mins flying with only 20% power used, so being heavier seems not to be a problem.
The walker sucks in any cross winds too, this wont be an issue with the X8

Anyway, going well off topic here.
Coyote64 is offline Find More Posts by Coyote64
Reply With Quote
Old Feb 13, 2012, 01:32 PM
Registered User
Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
28,875 Posts
I've seen the X8 skip several times on landing, and spin around backwards, so
it's not landing that slow. A big wing can get stuck in ground effect a long time.

V5 foam canopy can be cut down. In fact I've been wanting something like it,
so I can fill up the space behind my GoPro to make it a bit more aerodynamic. I'd
mount the pan exactly the same.

Cross winds, or cross gusts? Flying wings generally aren't optimal in either.
All planes will crab trying to fly a straight track perpendicular to a crosswind, but X8 will
have fixed forward view, so you won't be looking where you're going.
As for cross gusts (flying low near ground clutter in the wind), while it's true that
wings don't translate yaw into roll, every flying wing we've seen
so far has a fairly pronounced yaw oscillation (Every Foamaroo vid I've made
in the wind shows it, and so do a lot of Zephyr and ZII vids). We haven't seen that on the
X8 yet, but there's only been one video posted so far, flown over a flat desert.

ian
Daemon is online now Find More Posts by Daemon
RCG Plus Member
Old Feb 13, 2012, 01:42 PM
Praying for better weather
Coyote64's Avatar
Joined Dec 2007
4,178 Posts
Quote:
V5 foam canopy can be cut down. In fact I've been wanting something like it,
so I can fill up the space behind my GoPro to make it a bit more aerodynamic. I'd
mount the pan exactly the same.
You can with the X8, so thats 6 or two 3`s then. Both need modding to be able too, so the X8`s no worse

Quote:
but X8 will
have fixed forward view, so you won't be looking where you're going.
Again, only if you limit your camera installation

Quote:
Cross winds, or cross gusts? Flying wings generally aren't great in either.
I beg to differ, i can fly my 60" wing in high winds my walker, anything more than a slight breeze and its sides ( with the aerodynamics of a wall ) make forward flight sideways flight, gps gets confused, rth become button of certain doom
Coyote64 is offline Find More Posts by Coyote64
Reply With Quote
Old Feb 13, 2012, 02:53 PM
Foam Snow
South Africa, WC, Cape Town
Joined Aug 2011
1,334 Posts
The pros and cons isn't the argument. The x8 seems to be great for long very long range, high speed work, while the Skywalker is for slower closer missions.

Also the Skywalker was my second plane and I could easily control it. I think the x8 looks to require more skill.
heinduplessis is offline Find More Posts by heinduplessis
Reply With Quote
Old Feb 13, 2012, 03:34 PM
Registered User
Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
28,875 Posts
Quote:
Originally Posted by Coyote64 View Post
You can with the X8, so thats 6 or two 3`s then. Both need modding to be able too, so the X8`s no worse
Cutting a little foam out of a relatively narrow removable foam canopy is one thing.
To get a 180 degree pan on the X8 with unobstructed view, would require hacking away 2-3
times as much foam and seriously weakening the nose. The X8 fuse is very wide,
so would have to remove a of foam to either side of the camera. They're very much
not the same.

Quote:
I beg to differ, i can fly my 60" wing in high winds my walker, anything more than a slight breeze and its sides ( with the aerodynamics of a wall ) make forward flight sideways flight, gps gets confused, rth become button of certain doom
At the same airspeed with the same crosswind speed, both aircraft will fly with
exactly the same amount of crab angle. Most wings handle more steady wind better, because they fly faster.
In a steady crosswind, the side area of the plane is irrelevant. All aircraft see only
a headwind no matter which direction they're pointed, unless you're holding the
rudder over, or they're hit with gusts. A plane like the Skywalker rolls with crosswind
gusts because it carries it's center of mass well below the wing, so it has a lot of
effective polyhedral which causes changes in yaw angle to produce roll. Because
most of the mass is in the bottom of the fuse, if the side area of the fuse were relevant,
it would actually roll away from gusts rather than toward them, but it does not.

BTW, I'm not trying to talk anyone out of an X8. I just see them as fitting two very
different roles, with not a lot of overlap.

ian
Daemon is online now Find More Posts by Daemon
RCG Plus Member
Old Feb 13, 2012, 03:43 PM
Praying for better weather
Coyote64's Avatar
Joined Dec 2007
4,178 Posts
We will have to agree to disagree Ian. Your saying the high sided fuse of the skywalker doesnt have any difference to the curved aerodymanic shape of the X8 or any other wing ?? Please, put a flat sided object and an egg shaped object in a wind tunnel, which one does the wind pass over the best ?

I dont think your coming across as trying to talk anyone out of the X8, just debating opinions

Dont get me wrong, im not trying to talk anyone into buying either, but for me, the X8 will do everything my walker can, but much better than the walker can at the same time
Coyote64 is offline Find More Posts by Coyote64
Reply With Quote
Old Feb 14, 2012, 07:12 AM
Registered User
electricmick's Avatar
United Kingdom, England, Castle Donington
Joined Aug 2010
152 Posts
Great debate Ian and Ian, you are both right.

If the wing from the 1900 turns out to be much stronger than the 1800 then it will be a major step forward and BEVRC will have listened to their customers. It will then replace the 1800 as the best all round FPV ship for learning, cruising and AP.

The X8 will hopefully turn out to be a lot more fun for aerobatics and more efficient for long endurance than either Skywalker. Let's hope it has no structural issues.

Testing by the FPV community will answer both of the above questions.

The one advantage of the next batch of X8s is that they will be black EPO, now that is cool.
electricmick is offline Find More Posts by electricmick
Reply With Quote
Old Feb 14, 2012, 08:15 AM
ScratchCrasher
sfakias's Avatar
Greece, Central Macedonia, Thessalonika
Joined Jun 2008
579 Posts
Quote:
Originally Posted by electricmick View Post
The one advantage of the next batch of X8s is that they will be black EPO, now that is cool.
"Black" and "cool" do not play well together when the sun is shining .

May be not much of an issue for you though - I lived 7 uears in the UK, I know there are not too many hot shiny days
sfakias is offline Find More Posts by sfakias
Reply With Quote
Old Feb 14, 2012, 01:49 PM
Crash=start of next project
CN I Dawg's Avatar
United States, CA, Los Angeles
Joined Nov 2010
776 Posts
For a moment, I thought I drifted to an X8 forum...
CN I Dawg is online now Find More Posts by CN I Dawg
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion Skywalker 168cm FPV plane Fergus FPV Aircraft 18811 Nov 18, 2014 09:01 AM
Discussion Sander's Skywalker FPV camera plane build ssassen FPV Aircraft 134 Mar 30, 2014 11:52 AM
Discussion New Forum Suggestion: Skywalker 168cm FPV / UAV plane heinduplessis New Forum Requests 69 Jun 27, 2012 08:23 AM
Sold LPU Northwest Mo or San Antonio, Tx. Skywalker fpv plane fully set up and ready to go randall1959 FPV Equipment (FS/W) 2 Jan 14, 2012 09:29 AM
Discussion New FPV Plane from Skywalker borneobear FPV Aircraft 10 May 13, 2011 07:09 AM