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        Discussion Rusty's Frame Thread- New V2 version!

#1 13brv3 Jul 10, 2011 04:25 PM

Rusty's Frame Thread- New V2 version!
 
Greetings,

As of 12-1-13, the UAP1 has been discontinued, though of course parts will still be available for a long time. The UAP2-V2 it the only frame design being sold, since that's all anyone is buying anyway :-)

Cheers,
Rusty
http://www.shop.aglhobbiesllc.com/

#2 Morphin Jul 10, 2011 04:34 PM

Hi Rusty

I have seen another nice frame:
http://www.microcopters.de/artikel/d...ite-sport-quad

Can you also build like this one?:D


Andy

#3 13brv3 Jul 10, 2011 06:35 PM

1 Attachment(s)
Quote:

Originally Posted by Morphin (Post 18724653)
Hi Rusty

I have seen another nice frame:
http://www.microcopters.de/artikel/d...ite-sport-quad

Can you also build like this one?:D


Andy

Hi Andy,

You mean something like this? I'd have to eliminate the lower plate and standoffs to land on the battery like he is :p

I did this one afternoon just to see how it would work. There seems to be a real flat arm fad going on these days, so I couldn't resist. It was fine except for not having nearly the torsional strength of a round tube. Of course for a small quad, it would probably be just fine.

It would be pretty darn easy (and cheap) to make something like this if there was a real demand. The arms are the only part that I don't already make for other kits.

Cheers,
Rusty

#4 Joecnc2006 Jul 10, 2011 07:40 PM

I got away from the Flat arm designs, imo that is the weak part of that style of quad without some thick carbon fiber.

#5 SeismicCWave Jul 10, 2011 07:43 PM

Quote:

Originally Posted by 13brv3 (Post 18724577)
Greetings,

I'd like to establish this thread as a central point for discussions about my frame designs. Feel free to leave suggestions, comments, etc here. Pictures of customer built frames would be great, particularly if you've done something creative by reconfiguring it in a new way :cool:

I'm fairly satisfied with the current designs. They can be used with any flight controller, and in nearly any configuration from 3-12 arms, using readily available arms tubes. They aren't the lightest choice, but they're strong, and backed by the free replacement part guarantee. That being said, I now have plenty of CNC capacity, and can consider additional frame designs. This is really the reason for this thread, since it gives me a chance to take requests.

So what would you want to see in a new frame? I anticipate a fairly strong demand for a professional size AP design that could sell for far less than what the big names charge. Does it have to be carbon ($$$)? Does it have to fold? Does it have to look cool, or just be functional? I'll be interested to hear suggestions.

The demand for a professional tilt/roll camera mount for less $$$ has been noted as well. If I build an AP specific frame, the next step will be to make a mount for it. In the mean time, there are already a few nice ones out there, and competition seems to be bringing the price down. I expect to be able to fit nearly any camera mount to one of my frames, so if you have one you want to use, I'll make an plate to fit it.

Enough typing for now. Time to play with the latest CC board software.

Cheers,
Rusty
http://www.shop.aglhobbiesllc.com/

Hello Rusty,

Thanks for everything you have done so far to promote the hobby. Yes I am very interested in a full on AP machine. Quad or hex will be fine. Octo is nice but hardware cost is getting up there.

I believe the first thing for the AP machine is to go on a diet. Your center plates are great but a bit heavy once I started stacking a few of them together. So I would love to see some carbon center plates.

As you have mentioned one in passing next thing I like to see will be a quad that uses two full length arms one on top of the other. That way we can use lighter arms with thinner tube wall and still retain the strength. 10 mm square pultrude carbon tubes are about the best strength to weight ratio for now. 1/2" round tube would be nice too but they can be heavy.

Thanks again. I am still doing all sorts of thing to your Rev 7 frame. Extremely versatile!!

Edit:

Yes folding will be nice once we get into the large machines. A multi rotor with long gangly arms can be difficult to transport. For your designs I will most likely pull the arms out instead of folding them. Folding requires drilling holds in the arm and that always take away the strength. Since you are using a single holding blocks for the arms I do like to see a longer and lighter block or two blocks holding one arm.

#6 13brv3 Jul 10, 2011 09:28 PM

Quote:

Originally Posted by Joecnc2006 (Post 18725966)
I got away from the Flat arm designs, imo that is the weak part of that style of quad without some thick carbon fiber.

I wasn't optimistic about the flat arms, but it was so simple to try, I couldn't resist. The MQ-1 (mini quad) frame is far superior, so I'd certainly try to discourage people from wanting flat arms.

Cheers,
Rusty

#7 pug398 Jul 10, 2011 09:31 PM

Rusty,

I still would like the 1/2" round tube pinch blocks. If you are willing to program it in I will pay for 8 up front. I was going to bore out some of the 12mm blocks but would prefer "factory". :)

#8 daign Jul 10, 2011 09:38 PM

My Rev-8 is on its way. I'll be running Dt700s or KDA 20-22L on 3s in a 30" Quadcopter config for now. I'll expand as needed.

Really excited about it.

#9 daign Jul 10, 2011 09:41 PM

A few I found during my research.....


http://www.radrotary.com/Rev-7_Frame/0336a.jpg
http://www.radrotary.com/Rev-7_Frame/0336b.jpg

http://static.rcgroups.net/forums/at...0311-large.jpg

http://static.rcgroups.com/forums/at...g?d=1265353787

#10 daign Jul 10, 2011 09:43 PM

http://static.rcgroups.net/forums/at...6-P1020278.jpg

http://static.rcgroups.net/forums/at...3-P1020279.jpg

http://static.rcgroups.net/forums/at...9-P1020280.jpg
http://static.rcgroups.net/forums/at...8-P1020281.jpg

#11 13brv3 Jul 10, 2011 09:52 PM

Quote:

Originally Posted by SeismicCWave (Post 18725987)
Hello Rusty,

Thanks for everything you have done so far to promote the hobby. Yes I am very interested in a full on AP machine. Quad or hex will be fine. Octo is nice but hardware cost is getting up there.

I believe the first thing for the AP machine is to go on a diet. Your center plates are great but a bit heavy once I started stacking a few of them together. So I would love to see some carbon center plates.

Thanks for the comments Hansen. I totally agree about the diet, and that should be easy enough to do with carbon, and more importantly, a fixed configuration. Since the current plates work for nearly any configuration, there's no area that can be cut out to lighten them. The fewer arms you've got to work with, the more opportunity there is to remove excess material.

As for configurations, I was thinking quad/X8 would probably be the first version. Can't beat a quad as long as it will comfortably lift the load, and if it won't, the X8 will, while also providing very nice redundancy.

For a hexa, I personally prefer Y6 to a traditional flat hexa. Maybe one set of plates can do both.

Quote:

Originally Posted by SeismicCWave (Post 18725987)
As you have mentioned one in passing next thing I like to see will be a quad that uses two full length arms one on top of the other. That way we can use lighter arms with thinner tube wall and still retain the strength. 10 mm square pultrude carbon tubes are about the best strength to weight ratio for now. 1/2" round tube would be nice too but they can be heavy.

I've long thought about doing that, particularly with goal of strength to weight ratio. I can't say I like the idea of having to swap all the stuff on both sides of the frame if one arms gets broken though. Getting lazy in my old age I guess :p

Quote:

Originally Posted by SeismicCWave (Post 18725987)

Thanks again. I am still doing all sorts of thing to your Rev 7 frame. Extremely versatile!!

Great to hear!

Quote:

Originally Posted by SeismicCWave (Post 18725987)

Since you are using a single holding blocks for the arms I do like to see a longer and lighter block or two blocks holding one arm.

I have to admit that I like the double blocks on the Rev-8 plates. If the plate only has to support a single configuration, there would be plenty of room for double blocks even on smaller plates.

I've played with a number of different block arrangements, from single center blocks with as many cutouts as needed, to 1/4" wide blocks instead of the 1/2" that is standard. The center block was neat just to cut, and maybe I'll dig up some pictures of it. Aspire is your friend :-)

Cheers,
Rusty

PS- I'm late for pizza and beer, so I'll catch up in the morning.

#12 txflyboys2 Jul 10, 2011 10:41 PM

Rusty, I have one of your earlier Proto quads which you sold me awhile back w/UAVX controller and turnigy motors. Just wanted you to know it is still alive and well! I paid a visit to Jesolins who helped w/setup and found myself hovering stable immediately after the first takeoff.....incredibly stable! The video of the flight is posted on the UAVX mega ink. Again, THANKS to you and Jim for giving a multi-greenhorn a great start!

Larry

#13 txflyboys2 Jul 10, 2011 10:46 PM

BTW.....which landing gear/GoPro mount is in the pic above? Looks great!

#14 koolkiwikat Jul 11, 2011 01:59 AM

Id like to see a folding option, Im going to experiment with the current blocks in regards to clamping shut one side(the outer blocks) and cutting enough out so the arm can clip in and hold with the pivot point drilled thru the 2nd block in the centre(inner blocks)

Love your work, especially the option to rebuild in different configs(the reason I brought your gear), at the mo Im about to purchase a averticalview 3 axis mount...so all thats missing is landing gear and mount options similar to what averticalview is doing

I currently have a Rev 8 Hexa to Octo, and a couple of quads

#15 jesolins Jul 11, 2011 05:59 AM

Hi Rusty,
Your frames are rugged and easy to repair:cool:. I just added this thread to the Quadrocopter and Tricopter Mega Link Index
in the frames section after your store link.
Cheers,
Jim


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