Mad Hatter (and friends!) from BowTie Multirotors - RC Groups
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May 07, 2016, 10:49 PM
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Mad Hatter (and friends!) from BowTie Multirotors


Formally introducing the Mad Hatter, from BowTie Multirotors!



The Mad Hatter was designed with speed and longevity in mind. Featuring replaceable arms, it's an extremely rigid frame that weighs in at under 80 grams including all hardware. It has a built-in HD cam mount, at 35, and houses an HS1177 camera at anywhere from 0 to 65 of tilt, adjustable on the fly. A low profile and centralized mass make this a very snappy little bird, and petite at 186mm. The top "hat" is locked down with two tabs and two captive nuts on each side for extra strength. Check out this ultra-tight build on 20mm standoffs.



At $55 for the 186mm version, it includes all hardware and a spare arm. Look down a couple posts for some crash videos! The Mad Hatter is also customizable. Want 6" arms? Hulk arms for KISS ESC's? 205mm for a wider stance? Stretch arms for pitch-lengthened geometry? All are available at:

www.BowTieMultirotors.com

Along with other BowTie designs like the Dirk 184 minimalist racing plus frame, Daft+ 186 plus configuration acro quad and the center-battery "mid-engine" Nutzo 220!!!

All frames are being cut to order, I receive shipments and send out kits about twice a week. The Mad Hatter is also available in my Armattan Productions store:

https://armattanproductions.com/pages/kit_detail/265

You can also get popular configurations of the Mad Hatter at www.FPV303.com

Here are a couple of flight videos :-) Me on the first prototype:

Mad Hatter in the Pines (3 min 40 sec)


And my friend moosestang whipping around on his build:

bowtie multirotors mad hatter pines (3 min 15 sec)


If you have any questions or concerns, feel free to post here, send me a PM, or use the contact form on the "About" page of my site. Thanks for checking it out!

--Ben
Last edited by BGPursuit; Dec 30, 2016 at 11:30 AM.
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May 07, 2016, 10:50 PM
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Build Tips:

If you're using the Original or Daft+ stanchions, make sure you use a small VTX with a pigtail, such as this one such as this one. You can also purchase a pigtail separately and solder it to just about any transmitter after removing the SMA/RP-SMA connector.

Solder your right-angle SMA adapters at the press-fit connection! Without it, they won't last long. With it, they're pretty darn tough.

The LowMo stanchions (intended for 205mm and larger arms) can take a small VTX with a bulkhead connector directly, or can use a straight bulkhead connector on a pigtail.)

Most people build the Hatter with a PDB and FC between the bottom sandwich and the camera deck, and the camera and VTX above. Personally, I also place a Micro-Minimosd above the flight controller.

Mad Hatter Kit Contents

CF:
5x 4mm Arms
2x 2mm Main Plates
2x 2mm Camera Stanchions
1x 2mm Camera Plate

Hardware:
4x 15mm M3 Bolts (4 for main standoff lower attachment)
4x 12mm M3 Bolts (Main Plate and Arms assembly clamping)
8x 10mm M3 Bolts (4 for stanchion standoffs, 4 for main standoff upper attachment.)
4x 8mm M3 Bolts (for Camera Stanchion to Camera Plate connection.)
8x Standard M3 Nuts (4 for Camera Stanchion to Camera Plate connection, 4 for Main Plate and Arms assembly clamping)
4x 30mm Aluminum M3 Standoffs
2x 28mm Nylon M3 Standoffs

Nutzo Kit Contents

CF:
5x Selected Arms OR 1x Monoplate (for Race Edition)
1x 2mm Main Plates
2x 2mm Selected Camera Stanchions
1x 2mm Camera Plate
2x 2mm Arm Clamps
1x 2mm Avionics Bay Plate

Hardware:
4x 15mm M3 Bolts (4 for main standoff lower attachment)
4x 12mm M3 Bolts (Main Plate and Arms assembly clamping)
8x 10mm M3 Bolts (4 for stanchion standoffs, 4 for main standoff upper attachment.)
4x 8mm M3 Bolts (for Camera Stanchion to Camera Plate connection.)
4x Standard M3 Nuts (for Camera Stanchion to Camera Plate connection.)
4x 35mm Aluminum M3 Standoffs
2x 28mm Nylon M3 Standoffs
Last edited by BGPursuit; Dec 30, 2016 at 11:27 AM.
May 07, 2016, 11:14 PM
Registered User
That thing is Beautiful
May 08, 2016, 12:29 AM
Quad Addict
Clean and mean... i like it, and the slightly larger "Nutzo" frame.

Bow-Tie is gettin in the game, playa!
May 08, 2016, 02:49 AM
z33
z33
Registered User
Very nice!

I wait for AP as shipping is lower from Taiwan.
May 08, 2016, 06:18 AM
Registered User
That one on 20mm x 6mm standoffs is really sweet! Watch as i slam it into an invisible baby pine tree. A lesser frame, which name i will not mention, would have lost it's head in this battle, but not the mad hatter.

bowtie multirotors mad hatter vs baby pine tree (0 min 38 sec)


The frame comes with 28mm standoffs, but if anyone wants some beefy 20mm aluminum standoffs they can be purchased here. Expensive, but will not bend or break.
http://www.amazon.com/Standoff-Alumi...20mm+standoffs

cheaper alternative, not sure about the quality. https://aerialpixels.com/shop/tools-...cer-black-x-4/

And a few more crashes and zero damage so far.

bowtie multirotors mad hatter crash6 (2 min 5 sec)


bowtie multirotors mad hatter crash2 (1 min 31 sec)


bowtie multirotors mad hatter crash7 (2 min 22 sec)


I am the man of many frames. I have frames from all the big players and the mad hatter quickly became my favorite because of it's low weight, high speed, flickability and durability. I am not paid to say good things about this frame, mostly because the designer is a

Some larger pics.
http://www.pbase.com/paulyoly/bowtie_multirotors
Last edited by moosestang; May 08, 2016 at 08:38 AM.
May 08, 2016, 06:39 AM
Registered User
BGPursuit's Avatar
Quote:
Originally Posted by z33
Very nice!

I wait for AP as shipping is lower from Taiwan.
I'll let you know as soon as it's up on AP :-) Thanks for your interest!
May 08, 2016, 09:49 AM
Registered User
I've been on the lookout for this thread since you mentioned starting one in another thread.... where I discovered the mad hatter and I believe this will be the frame I use for my next 5" build. Now I just can't decide which build will be next, 3" or 5" lol

With the new DYS SE2205's this thing should be a rocket!
May 09, 2016, 10:27 PM
Registered User
Love this quad... Cant wait to get a good tune on it...

Day 2 With the Mad Hatter (1 min 39 sec)
May 10, 2016, 06:45 PM
Registered User
Well BGPursuit wouldn't fly with me today because he was working on his latest nutzo frame, so i had to fly by my lonesome, still fun as hell though.

Bowtie multirotors mad hatter magic (3 min 15 sec)
May 10, 2016, 06:54 PM
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BGPursuit's Avatar
Quote:
Originally Posted by moosestang
Well BGPursuit wouldn't fly with me today because he was working on his latest nutzo frame, so i had to fly by my lonesome, still fun as hell though.

https://www.youtube.com/watch?v=qRxv...ature=youtu.be
Nice committing on those backflips!
May 10, 2016, 07:21 PM
Registered User
Quote:
Originally Posted by BGPursuit
Nice committing on those backflips!
5 working quads makes you brave! 80+ feet of rope doesn't hurt either.
May 11, 2016, 02:29 AM
Registered User
One more without music

bowtie multirotors mad hatter stupid pine tree (2 min 4 sec)
May 11, 2016, 02:42 AM
z33
z33
Registered User
Nice video!
May 12, 2016, 07:08 AM
z33
z33
Registered User
I see it on AP! :-)

Just to be clear, what does the m3 flat nut look like (missing in your kit)? Is it like the nuts used on motors?
Last edited by z33; May 12, 2016 at 07:50 AM.


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