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Home✈️Aircraft🚁HelicopterAerial Photography and Video › Stretched Logo 600 flight test data
07-31-2007 04:27 AM  13 years ago
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46Taylorcraft

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Stretched Logo 600 flight test data
Stretched Logo 600 (Actually a 500 converted to a 600)

Configuration:
710mm mains
AUW with underslung 360° mount, downlink, altimeter/OSD, & Nikon D40X/10.5mm - 13.8lb.
10s or 11s FlightPower 5000mah EVO25 packs
ZPower Z50A motor (dropping in an Actro 24-5 next)
CC85HV ESC
Headspeed about 1600 (no tach sensor on the Eagle Tree yet)

Data:
Ambient Temp was 99°
Humidity 83%
Duration (approx 75% consumed) 10.7 minutes
Consumption rate 355mah/min.
motor temp 138°
ESC temp 109°
Battery temp 112°
Avg. amp draw 21.7amps
60 watt/lb average

This is going to be a good, efficient setup for stretched 600 class helicopter. Very cool running which will keep component failure to a minimum.

I still have some mods that need to be done to make it a true Logo 600 but for all intents and purposes it's essentially a Logo 600 as is minus the larger diameter boom and tail gear box.

This will be our primary spherical panorama rig.
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07-31-2007 04:51 AM  13 years ago
rroback

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I need to get me two of these puppies. No issues carrying the the weight? I've never flown anything with 710's, at that weight.Rhett..... I can't fly, but the Profi sure can.
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07-31-2007 05:13 AM  13 years ago
46Taylorcraft

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It carries it nicely. Autos would be need to be nailed perfectly but as far as flying goes it handles the weight well.

As soon as I can get hold of long enough belt I plan to stretch it to fit 800's and run one of the new Z70A motors with 6mm shaft. On 12s with a Z70 and 800's 22lb should not be out of the question.

The frames on these new Logos are awesome. The compound curves reduce weight while adding tremendous strength.... and the ability to put in full size servos is just what the doctor ordered for a light/cheap 710-800 class heli.

As soon as my supplier gets the new brushless Futaba servos I plan to install them in this rig.

I think this setup will be a perfect alternative to the MJ2 solution at half the cost.
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07-31-2007 05:23 AM  13 years ago
chris24g

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Hayward, CA

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Any comments on the herringbone main gear?
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07-31-2007 05:34 AM  13 years ago
46Taylorcraft

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I like it. Gear mesh is a non-issue. You just push the motor up to the main gear until it stops and tighten it down. Seems to run quiet and knowing that there is more surface area to transfer power gives peace of mind when running large blades.
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07-31-2007 05:36 AM  13 years ago
rroback

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Is the spindle/bearings big enough to handle 800's? seems like that is pushing it.Rhett..... I can't fly, but the Profi sure can.
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07-31-2007 06:12 AM  13 years ago
46Taylorcraft

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Spindle is 8mm hardened shaft. 800's at 1300rpm will be fine. The Logo 24/600 head is robust and well up to the task IMO.

You have to remember that for the type of flying we are doing you can get away with much more than if you were stick banging 3D.
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07-31-2007 08:32 AM  13 years ago
Morten E

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Norway

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Hi DJVegh
Are you using the virtual flybar system head on the logo?
How much did you stretch the tail boom?
BR
Morten
Norway.
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07-31-2007 09:19 AM  13 years ago
Hogster

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Sounds very impressive

Not that I have any money to spend on a rig like this (and there would be no point as I don't have a decent camera to put under it!), but how much did the entire setup cost? And how would it compare to a MJ2? Is it really half the cost?!

Thanks,

David

PS. Any photos?
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07-31-2007 01:30 PM  13 years ago
eyeinsky

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Fall River, Nova Scotia, Canada

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Nice
I will remember those specs. Sound like a good machine. What is you Take off weight?

Thanks Jerry
Hard job competing with gravity.
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07-31-2007 02:04 PM  13 years ago
rerazor

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Mich.

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That will be my future ship. More or less the "winter project".

Nice pano!!!!

Keep the updates coming and throw in a few pics please....
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07-31-2007 02:06 PM  13 years ago
aambrose

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Pana, IL

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Nice spherical DJ. How many pics to get that stitched?

A sea of tile roofs spotted with swimming pools and hardly any grass to speak of. No mowing!

Tony
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07-31-2007 02:34 PM  13 years ago
BigguyOz

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David, I don't think you need to feel under-equipped with your A630. I don't imagine that most clients would notice enough improvement if you went for a "better" camera. Your artistic input is the deal clincher!Tony Stott
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07-31-2007 03:30 PM  13 years ago
46Taylorcraft

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Are you using the virtual flybar system head on the logo?
Not Yet, but I may build another L600 this fall and equip it with the Vbar.
but how much did the entire setup cost?
Kit price for the L600 is about $560. MJ2 is $1300. I know some will say I'm crazy for saying a Stretched L600 (L800?) can be an alternative to the MJ2, but I really think it can with the proper mods. One of the first mods anyone should do to a Logo if they are swinging tail blades larger than 90mm is swap the hub/grips/pitch slider for a Raptor 50 unit with SS hub, or a JR assembly may work as well. I have always felt that the only weakness on a Logo is the tail.
Nice spherical DJ. How many pics to get that stitched?
I think it was 7 photos. and to be honest, that pano I linked to in this thread was not shot with this L600. It was shot from a Logo 10 with front mount. AUW on that rig with the Nikon and lens is about 8.8lb. Probably the lightest spherical pano rig around BUT for it to work there has to be almost no wind because you shoot the pano during a piro and if there is wind it will slide causing parralax errors.

If there's no wind I use the smaller ship, with wind the L600. And since there's wind at least 80% of the time the L600 will be used most.
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07-31-2007 03:38 PM  13 years ago
rerazor

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Mich.

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That Piro pano "DJ Technique" is crazy.
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08-01-2007 09:05 AM  13 years ago
Lorents

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Oslo, Norway

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Hello DJVegh,

May I ask what tail belt you used to stretch the 500?

Are you running it with the .5 herringbone gears that came with the 500 or have you replaced them with the .7 gears?

Thanks!

Lorents
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08-01-2007 03:00 PM  13 years ago
46Taylorcraft

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77" belt & .5mod gear. I am going to Aero-Model this week to get a .7mod gear and some pinions. .5 mod is way to small for 680mm+ blades. All I had on hand was the .5 from the kit so I just did a couple flights with it.
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08-01-2007 09:20 PM  13 years ago
Wenlock

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Shropshire, England

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Hi DJVegh

From what I've read here, the FlightPower 10s 5Ah are about 110mm longer than the Logo's battery bay, so you must have a fair bit of the battery unsupported at the front. I guess there must be quite a bit of space under the canopy for the 10s? Is it a tight fit? I'm planning to use 8s 5Ah (actually a pair of 4s 5Ah), which are about the same length.
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08-01-2007 09:53 PM  13 years ago
46Taylorcraft

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right now I am running 2 5S 5000 FlightPower packs in series. Each one is strapped to the side. I plan to make a carbon tray out the front to support the second 5s pack when I put them in the battery bay. From the looks of the frame there are some holes in the front that are unused that appear to be holes for a future battery tray that Mikado may release as an option.
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09-04-2007 04:27 PM  13 years ago
46Taylorcraft

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An update.

There have been issues of these Logo 500/600's stripping gears. It appears that it is due to the stock plastic motor mount heating up and the Logo 500 .5 mod gear is too fine of a pitch for the power that guys are throwing at these things.

So, I put the Logo 600 .7 mod gear and pinion in yesterday. Much more robust and I also swapped the stock plastic motor mounting plate for an aluminum one and so far so good. I feel much safer now.

I really would prefer straight cut main gear and pinion though. I'm not entirely sold on this herringbone concept. It is much quieter, but it's prone to failure if not setup 100% perfectly. The vertical position of the pinion has to be spot on or it stresses the teeth of the main gear. I guess the jury is still out on this.

The AP2000i does well with this helicopter. I am able to run 100% gain with no oscillation and it has excellent stabilizing.
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