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Old Sep 27, 2014, 05:51 PM
Get Airborne
Sweden, Skåne County, Hofterup
Joined May 2012
339 Posts
Quote:
Originally Posted by headlessagain View Post
Glad you are having fun with your Bonsai.
I must admit that I've never been too keen on placing the lipo underneath. It's just asking to be damaged or at least muddy come the winter.
It's easy to mount on top. Just cut a slot all the way through the wing and glue a thin plastic plate across the bottom overlapping by 10-15mm all around.
Andy
Soon we will have mudd and snow in Sweden also.

Ski underneath must be the solution.

I think I will cut a slot through the wing and then glue battery in place.
When flying more than one battery, recharging at 3C is done in 20minutes.
This is the way I use most of my small RC planes, fly another model when recharging the recent flown.
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Old Sep 28, 2014, 01:55 AM
Reap the wild wind
headlessagain's Avatar
Bristol,UK
Joined Feb 2007
4,157 Posts
Mono ski Bonsai. That I'd like to see a video of I've got a pair of those HK ski's but no snow last year. I think they would work well on my scratch built SlinkyE
Super Slinky E. Full power flights 9th February 2013 (7 min 44 sec)

Andy
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Old Sep 28, 2014, 02:40 AM
Get Airborne
Sweden, Skåne County, Hofterup
Joined May 2012
339 Posts
Nice built Slinky, of course Slinky should have double ski.

Almost no wind today, this will be my first opportunity to in a controlled manner explore Bonsai wing. //Sven
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Old Sep 28, 2014, 01:08 PM
Get Airborne
Sweden, Skåne County, Hofterup
Joined May 2012
339 Posts
Final battery placement, glued in the middle of wing.
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Old Oct 03, 2014, 05:56 PM
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glenby's Avatar
Australia, QLD, Brisbane
Joined May 2014
48 Posts
help with loop

Hi All,
I have a bonsai that will do outside loop perfectly but normal loop wants to roll to the right.
after re-trim and re-set, it still has this mad tendency to roll right on up elevator.
slower elevator, slower roll but it is always there.
it flies straight without issue.
CG is back of radio bay.

This is my only kite that does this.
teksumo is fine, widowmaker fine, nifty fine. bonsai - silly.

any ideas?

I have an ax1806n with 6x4 on 3s. nice speed.
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Last edited by glenby; Oct 03, 2014 at 06:01 PM.
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Old Oct 03, 2014, 08:45 PM
Registered User
CelloGuy's Avatar
Australia, NSW, Sydney
Joined Apr 2013
683 Posts
Quote:
Originally Posted by glenby View Post
Hi All,
I have a bonsai that will do outside loop perfectly but normal loop wants to roll to the right.
after re-trim and re-set, it still has this mad tendency to roll right on up elevator.
slower elevator, slower roll but it is always there.
it flies straight without issue.
CG is back of radio bay.

This is my only kite that does this.
teksumo is fine, widowmaker fine, nifty fine. bonsai - silly.

any ideas?

I have an ax1806n with 6x4 on 3s. nice speed.
Sounds like something is making one elevon move more than the other on up elevator. Do they look like one is moving more? If so, might be because one has a thicker hinge and needs to be freed up. One of mine had a thick hinge on one side and thin on the other.
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Old Oct 03, 2014, 09:03 PM
looking up down under
scruffy1's Avatar
Australia, NSW, Fairlight
Joined Feb 2008
1,434 Posts
not as simple as different hole positions on the two sides on the servo or elevon horn is it ?

or servo travel up is relatively greater on the right (view from the rear to see) ?

if so you might be able to dial in lesser travel on that servo on that input


are the neutral positions on the servo horns symmetrical ?
if not you may be introducing differential which is more pronounced "up" on the right
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Old Oct 04, 2014, 08:58 PM
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glenby's Avatar
Australia, QLD, Brisbane
Joined May 2014
48 Posts
hole positions are right scruffy. I double checked that and have tried different holes as well to reduce travel.
everything seems fine on the bench. up movement and down are the same.
cello, the hinge may be something but it doesnt seem to bind or cause an issue at the extremities. both have a bit of the supplied tape on the top due to a tree jumping in the road at mach 2.

it has me a bit confused at the moment

I think it needs a mental reset as much as anything - maybe also a model reset in the controller.
start from scratch and see if I missed anything instead of poking around.
it hasnt had a great life and only it's toughness has it still flying.
I will also check out flexing wing to see if it something like that.

thanks for the replies. They are appreciated.
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Old Oct 05, 2014, 09:26 PM
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glenby's Avatar
Australia, QLD, Brisbane
Joined May 2014
48 Posts
complete reset of model and virtual tear down.
re-assembled and while not as bad, the issue is still there.
while looping I have to remember to use a bit of aile and it is usually fine.
sometimes it goes stupid and spastic rolls - no idea why but I leave enough space and can usually get out in one piece.
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