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Old Apr 18, 2014, 04:29 PM
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BPQ270 Folding Mini HQuad

This topic was a request for testers, but I'm changing it to the official BPQ250 Mini H Quad topic on RCG.

Aug 2014
I've added the tiniest angle to the arms so the frame can support 6 inch props. By spreading the arms apart, the motor to motor distance increased. It's the same great frame, but it should technically be called a 270.


The BPQ270 is made from Polycarbonate, aka bulletproofing material. Hence the name "Bullet Proof Quad" (BPQ). It does not crack, split or shatter like G10, Carbon Fiber or Acrylic (Plexiglass). Short of running it over with a lawn mower, you will not ever break this frame. It is simply not possible to break it. Its also super stiff. Think of it as transparent aluminum that doesn't stay bent.

Note: These pictures show parts on the frame for sizing only and pictures only, so don't go get 1300kv monster motors, they won't work. Lol..... And yes, the props are on every which way......

Second note: This can be built with the motors pointing down as well. ;-)

IMPORTANT!!!: Do not get Locktite or Superglue or CA Glue, anywhere near Polycarbonate.
A chemical reaction takes place and the Polycarbonate becomes brittle.



Here is the link to the Assembly Manual.
https://docs.google.com/document/d/1...SVi_3IET6o/pub

The BPQ270 is $34 + $6 Priority USPS.
Add another $6 and I can get it to you in Canada in an envelope.
Shipping to Europe is about $23.50. It's sad but true. Sorry.
A link to the Store might be helpful.
http://bpmultirotors.com

Get your Mobius FPV Cam at MassiveRC. They also have HQ Props.
http://www.massiverc.com/PrestaShop/en/10-cameras-fpv

You can get motors here:
http://www.buddyrc.com/sunnysky-x220...ess-motor.html
or in Canada here:
http://www.bcmultirotors.com/#!/~/ca...=0&sort=normal

12A or 18A ESC are a good bet. 18A to be safe, 12A, to be light.
http://massiverc.com

My personal preference is this:
BPQ270 frame
Cobra 2204 2300KV Motors
Emax 12A Simon Series.
HeadsupRC.com 1800 Mah 3 S 50C battery or 1300Mah if you don't mind the voltage alarm and stressing the battery.
MassiveAcro Cleanflight Controller from MassiveRC
Devo 10 Radio
Massiverc.com has Lemon RX's now if you've figured out PPM.
HQProp 5040's
Mobius FPV Cam.
Generic 5.8 vTX chip.

HQProp 5030 props, fly smoother and are much gentler, and they also radically cut the flight time and performance.

I am completely happy with the Cobra Motors and 5040 props and recommend them 100%.

Update 28 July 2014
Current test rig:
Emax 1806 2280kv motors
Emax SimonK 12A ESC's
Naze32 Acro

The frame is sitting at 321 grams no battery.
The performance with an 1800mah battery was very successful.
CC3D is at least as nice as the Naze32. Flies great.





First flight video:
BPQ250 maiden fpv flight (2 min 23 sec)


Inverted motors style.
BPQ250 flying "Avatar" Style. (5 min 30 sec)
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Last edited by cyberbillp; Sep 20, 2014 at 08:09 AM. Reason: updated mtm distance
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Old Apr 18, 2014, 06:51 PM
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pm sent
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Old Apr 18, 2014, 08:10 PM
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One left...
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Old Apr 19, 2014, 05:17 PM
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Testers found. Thanks all.
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Old Apr 20, 2014, 02:20 AM
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Quote:
Originally Posted by cyberbillp View Post
Need a tester for a new 250 folding mini quad frame.
It's the BPQ250.

The BPQ250 is designed for 5 inch props, 2208 motors, and a 30mm x 30mm hole to hole flight controller. I believe the flip series, the naze32, the nanowii (real, not HK clone) will fit. Motor holes are 16mm and 19mm.

The terms are that in exchange for the frame you will build it, crash it, film it, write about it. The frame weights 182g. I want to know how light the auw you end up with is. Build logs and photos would be appreciated as will video of it in action as well.

This first batch is transparent and should look stunning when flying at night. The next batch will be black unless there is an overwhelming demand to stay with clear. Thats really up to feedback from the testers.

It is made from Polycarbonate, aka bulletproofing material. Hence the name "Bullet Proof Quad" (BPQ). It does not crack, split or shatter like g10, carbon fiber or acrylic. Short of running it over with a lawn mower, you will not ever break this frame. It's simply not possible to break it. Its also super stiff. Think of it as transparent aluminum that doesn't stay bent.

This request is open to experienced builders in the US, preferably into FPV and/or mini quad racing or desiring to enter into that niche.

PM me a message on how you will build and fly your BPQ and I will choose 3 testers after reviewing the PMs. Include links to videos you have of previous builds and flights.

Note: These pictures show parts on the frame for sizing only and pictures only, so don't go get 1300kv monster motors, they won't work. Lol..... And yes, the props are on every which way......

Second note: This can be built with the motors pointing down as well. ;-)

Finally, this is not a contest and there are not winners. I expect payment for these frames in the form of feedback, criticism and effort in your innovation and quad construction. If you can't finish this build, please don't volunteer. I really do need your input, testing, thoughts, and design critique. My local RC group doesn't have the money or time to help with testing at the moment, so their loss is your gain..... Lol
Looks like you got your tester. I am, as I am sure others are looking forward to the results, and hope you publish on this thread.
I would have liked to have seen a picture of the bare frame on an uncluttered surface.
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Old Apr 20, 2014, 06:10 AM
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Bill did you mention this frame can be built in either an X or H and even other variations due to the multiple arm mounting options?
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Old Apr 20, 2014, 07:45 AM
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True.
For now, I've only got H-quad arms, but X or reptile are in the design and will be an option.

Long arms are available. Either order them extra or let me know you prefer long arms when you purchase.
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Last edited by cyberbillp; Jun 17, 2014 at 04:05 PM.
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Old Apr 24, 2014, 08:26 PM
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Received the frame today and just had to do a mockup build to get an idea of what it looks like. Liking it so far.
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Old Apr 24, 2014, 09:05 PM
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These little quads are getting more interesting everyday....
Cool materials you use....

Is that material use to make BASS tubes/box for car stereos?
One small LED light shines the 'whole' material.

also
p.s.
is there a CCD camera holder/mount?
and PDB?
http://www.rcgroups.com/forums/showthread.php?t=2136997
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Old Apr 24, 2014, 10:18 PM
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It's designed for a mobius, but there's no reason you can't strap a board cam between the two front pillars. I thought about some kind of mount, but I suspect most people would toss it, and just zip tie to the pillars to save weight. The pillars are 40mm apart if that helps.

As for the car speaker boxes, I dunno. They are probably acrylic, which is a typical plastic that cracks etc... Polycarbonate is different. Really really tough.
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Last edited by cyberbillp; May 09, 2014 at 12:26 PM.
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Old Apr 25, 2014, 03:15 AM
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Quote:
Originally Posted by cyberbillp View Post
... Polycarbonant is different. Really really tough.
Looking forward to the 'crash tests'.
With just 2 body frames, where do you put the control board, ESCs, batteries, FPV kit?
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Old Apr 25, 2014, 05:38 AM
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On the four middle pillars.

I think Navihawk will find he needs to rearrange his a bit. But maybe not.

Escs can go on the arms. Battery in the rear.

My blog has cad pix showing the FC, battery and camera. A 1000mah battery and Möbius seemed to balance well enough, but the builder will need to watch the cg as always.
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Last edited by cyberbillp; Apr 26, 2014 at 11:16 AM. Reason: added pic.
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Old Apr 25, 2014, 11:03 PM
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Do you guys like clear, or would you prefer solid opaque black like typical Carbon/G10?
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Old Apr 26, 2014, 11:36 AM
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Solid black or green almost any color would be best. Because the clear will scratch and show a lot
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Old Apr 26, 2014, 09:48 PM
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I have been doing my own experiments with PolyCarb frame parts and Color makes a huge difference, especially in visibility. The clear has a definate WOW factor with LEDs in place but solid bodies with colored arms look really good...

Blue, Green, Black, Red, Yellow and combinations there in would be a nice touch.
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