First Impressions
From SPC Maker, comes the 90mm SPC90 BNF (bind-and-fly). It arrives in a nice, clean looking, tin case, which does well in keeping everything in its place and secure during transport.

Inside the fancy metal box we find the SPC90, pre-built with your chosen receiver and ready to bind, a 1s lipo, 2 sets of props, a carbon fiber prop remover tool, and 4 tiny extra zip-ties.

Specifications
Wheelbase: 90mm
Material: 3K carbon fiber
Dimensions: 63.5 x 63.5 x 32mm
Frame weight: 6.5g
AUW: 55g
Motors: 8.5x20mm (8520) 3.7V coreless
Flight time: Approximately 5 minutes
Flight controller: F3 EVO brushed 2.0
Processor: STM32F303CCT6
Receiver: DSM2 Satellite / FrSky SBUS PPM / FlySky PPM
Battery: 3.7V 500mAh 25C
Propeller length: 55mm
Camera: 600TVL
FPV transmitter: 5.8G 25mW 48CH
Frequency: 5362 - 5945MHz
Indicator: 8 LED lights for CH1 - CH8; another 6 for Band A - Band F
Transmission power: 13 + / - 1dBm
Antenna type: omnidirectional cloverleaf
Antenna impedance: 50 ohm
Sensor: 1/4 inch CMOS
Input format: NTSC / PAL switchable
Pixels: 720 x 540px ( PAL ); 640 x 480px ( NTSC )
Resolution: 600TVL
Wide-angle lens: 120 degree ( H ); 100 degree ( V )
Power: 200 - 215mA at 5V DC input
Operating voltage: 2.9 - 5.5V
 
Overview
The frame is solid and robust with quite a low profile. I like the vertical arms and how they interlock into the upper and lower plates of the frame. It handled my tough crashes very well, with the worst only popping an arm out of its fitting in the top plate (high speed, strait into my barbecue lol). Easily put back in place by loosening the upper nylon screws. Weight is a bit on the heavy side for a micro brushed build at 44.6g without the battery, and 59.5 with the included 500mAh 25c lipo. Other than a weird plug, the battery has performed well. Taking an average of approximately 550mAh according to my charger and providing flight times of 4.5 minutes or more depending on the mood of the flight.
The 8520 motors are cleverly mounted in the vertical arms and secured with adhesive lined heat shrink. This way of mounting is great for supporting the bottom caps of the motors, as well as protecting the can itself and keeping motors from becoming misaligned, as they sometimes do with rubber grommets. The drawback here is the clearance available to position different propellers as low as possible on the shaft. With that said, it did seem to handle out-of-balance props much better than grommets do.

Under the top plate we find a very clean and well organized build. The F3 EVO FC board is great (a personal go-to FC for brushed builds, even has the ability to run 2s). It comes flashed with Cleanflight (pre 2.0) and secured by foam tape with a zip-tie holding it and the receiver to the frame. The SPC90 uses motor plugs, so no soldering there when it is time for new motors. On the other hand, the battery plug is unique, not the usual JST or micro Losi plugs we normally see with batteries of this form factor.
The Rx, an 8ch micro FrSky D8 compatible in my case, is connected via SBUS and having a bind button makes it easily bound with a pair of tweezers, or similar, without removing the top plate. An excellent receiver for micro builds.
A 48 channel AIO cam/VTx is mounted up front with foam tape at its base, and the upper section of the rear PCB fitted into a cutout of the carbon fiber top plate (insulated w/ a strip of poly film) and a zip-tied as well, fastened to the base of the frame. Channels are changed with dip switches and not the easiest thing to get to in such a tight build, but the biggest issue I found with the SPC90 was when I first looked through the goggles to see that the lens was completely out of focus and unflyable FPV. For me, this was a 5 minute fix. For a beginner or someone who simply wants something truly BNF this may present a problem (I was unable to find any other occurrences of this, so hopefully, just some bad luck). The video antenna is, in my opinion, a classic give-n-take. While it does interfere with plugging in the battery and USB, it offers a great way to protect and use a clover-leaf style antenna on a micro-quad. Signal is very clear during normal flight, only struggling when flying straight at the receiver due to the RF dead zone of the antenna in combination with the carbon fiber frame.
 
Flight

Overall The SPC90 is quite a stable flyer, but does exhibit a pendulum feel caused by the high position of the props in relation with its low slung central mass. Because of this, it’s personally not my favorite micro for freestyle/acro, but, and that’s a big ‘but’, I do love it for racing and proximity flying, it felt very nice. Having vertically positioned arms means there is almost zero wasted thrust and, although I do not have actual scientific data, fast forward flight did seem to require much less throttle increase to maintain altitude, when compared to other micros. In theory horizontal arms create downforce during forward flight because of the forward pitch angle we fly, while vertical arms would, again in theory, create some lift. Again I wish I had a way to get some actual data on this but for now, it’s just a micro lol. 

Conclusion
All in all, I am a fan. I think my only suggestion would be a more standardized battery plug or at least provide an extra battery if keeping with a unique style of plug. I think for someone learning or just looking for a BNF would be pleased, provided no bad luck camera issues. As well as someone experienced or keen to make modifications. Myself, I plan to make a couple personal “tweaks” of my own and definitely keep it in the “go-to” section of my RC shelf…. Ok… shelves.

Find your SPC90 here!
 
Thanks for reading.
-DroneOfPrey-

Very nice review and excellent video! 
(And I see your dog likes it too...)

Oh she loves it and doesn't chew them just knocks them down She hasn't had as much "drone time" lately due to me running my racer most chances and thank you for the compliments!

Good Job, DOP! Nice review and video too, and your dog looks like a cutie!

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