alasdairMcC454
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alasdairMcC454 02/12/2021
Excellent accessory for any bike. The performance is very good, setup is fairly easy and the hardware and accessories are also above average, even the zip ties are better than most, being more elastic and compliant than regular nylon. I had to angle the speed sensor in slightly to close the gap between the spoke magnet and the reed switch inside, but it works reliably with about 5mm gap at the tip of the sensor and battery access is still easy. The down angled light allows the LCD display to be set so it's easily seen compared to other similar lights that need to be tilted away and the beam pattern although well visible from ahead does not dazzle or annoy oncoming traffic. I ride at dusk and in winter almost dark, and I see everything very well even on lowest power setting, the batteries are fairly heavy, so I expect the capacity is as stated, and the whole unit is very solid and well finished, it has a premium feel and look, along with performance to match.
BIKIGHT 3-in-1 Bicycle Speedometer Wireless USB Rechargeable Double LED Bike Light Bike Computer with Alarm Horn
US$32.42 US$45.75
2
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Emax ES3059D 12g Plastic Gear Mini Digital Servo for RC Robot Car Helicopter Airplane
US$7.65 US$14.56

Q: It has the price of metal gear, the title says metal gear, yet pictures show plastic gear and specifications state plastic gear.. what exactly is this servo?

Asked by alasdairMcC454 on 2022-04-23 06:30:00

BG247421669 nometal , plastic

2023-01-14 03:21:09 Helpful (0)
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alasdairMcC454 10/12/2019
The next best thing in fixed wing FPV. It's performance based value for money is unbeatable. Forget INAV with it's loose horizon, difficult tuning and sloppy flight characteristics, this FC is super locked, the amazing range of tuning and features, along with lot's of mode options really make this a steal for the price. Setup is easy, mine shipped with latest FW, so simply plug in and set up with your radio sticks. Make sure your PPM stream is AETRM, and if using the pitot ASI, assign the Elevator to channel AUX1 or 2 then plug the pitot into Ele port. Unlike so many flight controllers, this one maintains linear power calibration over full voltage range once calibrated, yet out of the box, mine were within 0.3v of accurate. Only limitations I've found are RTH altitude is only up to 200m, and it doesn't have the option to remove some OSD items, making a fairly busy screen, but the OSD graphics are very clear and can be mass positioned L/R/U/D accurately to fit the screen. It's a very high quality system, the main unit is housed in an anodised aluminium case, the PMU has high quality silicone cables and the system has a very refined and developed feel to it.
AFPV SN-L V2 Owl FPV Flight Controller HD OSD With PMU M8 GPS Module For RC Airplane Fixed-Wing Model
US$10.49 US$16.79
10
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Eachine Flying Fish W650 650mm Wingspan Sub-250 Grams Dual-Engine Mini Wing EPP RC Glider FPV RC Airplane PNP/FPV PNP
US$136.49 US$159.99

Q: Why is this tiny plane so crazy expensive?

Asked by alasdairMcC454 on 2022-01-03 08:05:30

heelzfanjb23 this is a twin motor plane that is 4s capable out the box. If horizon built a plane like this, it would cost 200 bucks. I guarantee it. You look at that new twin 40mm F-14, they want 300 for it. similar jets from other manufacturers are 120. So this plane is at the right price point.

2022-02-12 07:56:20 Helpful (4)
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alasdairMcC454 08/02/2022
Great for covert illumination, especially if you are building a night vision system, the led's remain invisible when on. I'm running these on a robotic night FPV security vehicle, it can see all and move around silently, yet it remains invisible to humans.
IR LED Infrared Light Board 940nm 48*IR LEDs No Exposure Light Board for IR Illuminator CCTV Camera Accessories
US$5.66 US$10.99
2
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Bcato S08MD 12g Metal Gear Micro Digital Servo for 450 Class Helicopters
US$8.79 US$10.99

Q: What type of bearings does this servo have?

Asked by alasdairMcC454 on 2022-04-23 06:33:52

Taradiddle plastic

2022-04-24 08:56:45 Helpful (0)
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alasdairMcC454 08/02/2022
Although dimly visible, the illumination is good, consumption is a couple of watts and they run warm. Lenses need orientating then clipping in (push fit) and the light sensor works well, requiring darkness just where the camera starts needing IR.
3pcs IR LED Board for CCTV Camera 4*Array IR LED Spot Infrared Light Board Night Vision 850nm DC12V
US$10.99 US$13.99
0
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alasdairMcC454 25/01/2022
Nice tap, better surface finish than expected, and the threads are accurate in all dimensions.
Right Hand Spiral Pointed Tap M3 to M8 For Threading Cutting Tools
US$5.40 US$9.99
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alasdairMcC454 25/01/2022
These seem to be better than yellow carbide, so far the sharpness and chip exit is good.
Drillpro 10pcs HRC45 Blue Nano CCMT09T304 VP15TF Carbide Insert for SCLCR/SCLCL Turning Tool Holder
US$14.45 US$22.99
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alasdairMcC454 25/01/2022
Better quality than expected, very rich tone and harmonics, stable tune once stretched. I will buy more of these.
IRIN A102 Alloy Strings Acoustic Guitar Strings
US$5.59 US$9.99
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alasdairMcC454 25/01/2022
Quality looks OK, except my set came with two M10, one M8, two M6 and one M3. I missed out on M4 and M5.
Drillpro 6Pcs M3-M10 M35 Cobalt Plating HSS Hex Shank Spiral Groove Drill Tap Bit Set Co-HSS Metal Threaded Hole Opener
US$22.04 US$25.99
0
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alasdairMcC454 25/01/2022
These seem to be good value for the price, only let down by the packaging.
10pcs 3-12mm HSS Machine Reamer Set H7 Straight Shank Milling Chucking Reamer
US$25.11 US$34.99
0
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alasdairMcC454 25/01/2022
Good tips, better than regular carbide.
Drillpro 10pcs HRC45 Blue Nano CCMT060204-HM YBC251 Carbide Insert for SCLCR/L Turning Tool Holder
US$16.99 US$23.99
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alasdairMcC454 25/01/2022
They look like lower to medium grade HSS, better than carbon steel and good for softer metals.
2Pcs M3 to M12 Industrial Metric HSS Right Hand Thread Tap Drill Bits Plug Taps Drill Bits
US$6.99 US$8.99
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alasdairMcC454 19/01/2022
I use this on one of my road bikes as a safety enhancement, It works but takes a keen eye to spot anything in time to be helpful, and it needs careful positioning to get right. I prefer a larger convex mirror, but quality ones are hard to find these days.
BIKIGHT Bicycle Rear View Mirror 360° Rotate Mini Portable Clear Wide Range Anti-Shake Adjustable Mirror Bike Sight Reflector MIB Road Bike
US$9.99 US$13.99
0
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alasdairMcC454 19/01/2022
This is one of the best low light cameras available. Even in direct sunlight the picture beats most older generation cmos and wipes ccd's completely. It hangs on to colour long after anything else has shifted to B&W, even in full moonlight.
Foxeer Micro Cat 3 1200TVL 0.00001lux Low Light Night FPV Camera Support OSD & Menu Remote for FPV Racing RC Drone Black/White
US$44.09 US$52.79
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alasdairMcC454 19/01/2022
This works really well in various lighting conditions, direct sun produces a steady flow, cloudy or obscured sun results in a sequence of spurts. I separated one of the two I purchased to move the solar panel behind a hedge (for more sun) and submerged the extended pump to feed an antique cast bronze toad of toad hall laying on a water lilly. The effect is perfect, When pulsing the squirts are hilariously realistic, in direct sun he jets a 6mm water column about 10"high. Very impressive value.
LIUMY Solar Fountain Pump 1.4W 150L/H Circle Solar Power Water Floating Panel with 6 Attaches for Pond Fountain BirdBath Garden Decoration Water Cycling No Electricity Required
US$15.99 US$19.99
0
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alasdairMcC454 19/01/2022
I was impressed at the brightness and colour purity of these leds, my only slight complaint is the beam is narrow on all, with some requiring diffusion, but the colours and efficiency are excellent, the warm white is almost tungsten incandescent, and the other white appears to be more broad spectrum than older generation white leds, with a natural tone. I made a scooter headlight using three of these running at 20mA each and they are plenty bright. Great value overall.
300pcs 5mm LED Diode 5 mm Assorted Kit Clear Warm White Green Red Blue UV Yellow Orange Pink F5 DIP DIY Light Emitting Diode Set
US$8.99 US$10.99
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alasdairMcC454 19/01/2022
Nice grips, just the right balance between cushion and comfort. On long rides they aren't noticed at all, which is they way to have it.
Bicycle Handlebars Grips Lock On Aluminum Grips
US$10.15 US$17.99
0
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XYS3580 DC DC Buck Boost Converter CC CV 0.6-36V 5A Power Module Adjustable Regulated Laboratory Power Supply Variable
US$23.54 US$33.99

Q: When running 12v electric motor the CV warning light comes on which causes other devices also connected to the supply to lose power... What setting can prevent this behaviour or do I need to limit the stall current of the motor?

Asked by alex21 on 2022-01-13 09:17:27

alasdairMcC454 CV indicates constant voltage and the current is not exceeding CC value enough to lower the output voltage from it's set value (regulating voltage). The light is not a warning, it's just indicating stable output voltage. If other powered devices are seeing a voltage drop, that indicates the CC value is too low for the load, remember electric motors draw substantially more current at start up than when free running, so CC value not only needs to exceed this reqirement, but the entire system needs to be capable of delivering this higher load demanded.

2022-01-14 10:53:22 Helpful (0)
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