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Posted by Garrett1234567 | Today @ 09:53 AM | 2 Views
Dji mavic (2 min 31 sec)

Posted by Drone0fPrey | Today @ 09:15 AM | 25 Views
Enjoy this 18% OFF Coupon for all RC products at GearBest!

This link not only helps you save some of that hard earned money, but also helps me earn future review items.

Check out My threads over
Posted by KatrinaRosen | Today @ 08:42 AM | 53 Views
A new policy governing the use of unmanned aerial devices at a Wisconsin university allows researchers and instructors to use the drones on campus for research or educational purposes. University of Wisconsin-Madison's new policy will apply to indoor and outdoor spaces connected with the university, both in the United States and abroad, The Wisconsin State Journal reported. Students may apply to fly a drone if it relates to coursework or other academic purposes. The university's new Unmanned Aircraft Systems Ethics and Safety Committee will ensure operators are compliant with Federal Aviation Administration standards.
Posted by Woodinthesky | Today @ 06:44 AM | 131 Views
Heres a picture of one of my earphones with a righ angle jack for use with Aomway Commanders Goggles shipping out today.
Posted by Grandadtony | Today @ 03:40 AM | 222 Views
Hello all
Totally new to this. After some 20 plus years sitting in its box in the loft I finally gave the Kyosho Outrage RTR to my grandson.
Charged it up, assembled as per instructions and off it when to our great delight and surprise.
The battery didn't last long but that I'm sure can be remedied.
On the second outing the model was crashed and upended, now it has no drive.
Everything seems to be working motor wise, but the wheels do not drive.
Can anyone help please.
Many thanks.
Posted by Michelle Dessler | Today @ 02:52 AM | 247 Views
Almost all the dads play their son's remote control cars with relish, but almost all of them feel embarrassed to occupy toy cars, so there drone comes, and dads remove "remote control" wittily......
Posted by Jack Crossfire | Today @ 02:48 AM | 256 Views
The story sounds great until you realize in order to reuse the 1st stage, they have to throw away 34% of the payload, according to Kiwipedia. There are no dual geostationary satellites at a time or payloads of opportunity like the Arianne 5.

Given this fact, let's calculate the cost of launching the same mass with reused 1st stages & expendable 1st stages. The shotwell said it costs "less than half" to reuse the 1st stage, which we'll assume means half. The 1st stage is 2/3 of the total cost, so that gives a total cost of 2/3 / 2 + 1/3 as the cost of a flight proven booster.

So the 1st launch of 1 payload costs 1 for each system. The later launches cost .667 for flight proven & 1 again for expendable. With these parameters, the cost/lb for flight proven approaches but never goes below the expendable system. The problem is the discount for a flight proven rocket exactly matches the reduction in payload.

As soon as the flight proven booster gets anywhere below 1/2 the cost of a new booster, it saves more than the reduction in payload & it becomes favorable. Just reducing the refurbished cost to 40% of a new 1st stage would barely start breaking even after 7 launches. If they miraculously got it to 10% of a new 1st stage, they would start saving huge amounts of money after 3 launches.

Even in the miraculous case, they wouldn't start saving money until 3 launches. So far, they've only gotten 2 launches from the reused 1st stages, so they're losing a huge amount of money. The future is still heavily dependent on new Falcon 9's being much cheaper than other rockets, with the hope that someday they can reuse just 1 booster for a whole year with much lower refurbishment costs.
Posted by Sawee | Today @ 01:56 AM | 291 Views
All in one vtx + camera + antenna products comparison.

AKK S2 5.8G 48CH 25mW VTX 600TVL 1/3 Cmos AIO FPV Camera with Clover Antenna $20.99

AKK A2 5.8Ghz 40CH 200mW FPV Transmitter Raceband 600TVL 1/4 Cmos Mini FPV Micro AIO Camera with Clover Antenna $19.99

AKK KC02 600mW FPV Transmitter with 600TVL 2.8MM 120 Degree High Picture Quality Sony CCD Camera $39.99

And here is the review video on youtube:

AKK Technology FPV Kameras (A2, S2 & KC02) // Vorstellung & Test (8 min 23 sec)

Want to know more about Akk Tech products? Please click here:
Posted by Jack Crossfire | Today @ 01:19 AM | 548 Views
So Heroineclock II's mane problems were it had an offset crystal & it was calibrated from a computer RTC which itself was offset. It gained 5 minutes over 77 days. Its internal clock increments 250 times per second. Thus, it needed to subtract 5 * 60 * 250 ticks every 77 * 24 * 60 * 60 * 250 ticks or 1 tick every 22176 ticks.

Unfortunately, it had an existing trim factor of adding 1 tick every 10300 ticks, so the 2 trim factors need to be combined. The trick was to multiply 22176 * 10300. This predicts the existing trim factor adds 22176 ticks for every 22176 * 10300 ticks & the new trim factor subtracts 10300 ticks for every 22176 * 10300 ticks. Thus, the total change in ticks every 22176 * 10300 ticks would have to be 11876 or the addition of 1 tick every 19233 ticks. The new addition is less frequent than the old addition, so it satisfies the need to slow the clock down.

We still need to reduce the 19233 to 19230 make sure the clock doesn't run slow.
Posted by Sawee | Yesterday @ 09:57 PM | 660 Views
Nice spot, who knows where this place at?
Playing with the birds (2 min 1 sec)

Posted by derk | Yesterday @ 08:37 PM | 713 Views
writing a little after the fact here, but i recently built my wife her 9th anniversary gift. I know that she likes sparkly things, music, unexpected gifts. so I tried to do what I could to combine these aspects to win this year
so I knew for a while she wanted a bluetooth speaker but would never buy one for herself, its too expensive, I'm the tech guy etc. I also know she likes retro sort of things, so it had to look like a tape playing boom box in my mind.

so armed with this I started secretly working on it whenever she would work late or be gone with a friend. being sure to check the mail myself for any parts I had ordered
I figured it needed to light up in some cool ways, and looked around my things until I remembered I had a bundle of fiber optics from a lamp I bought when I was 15 PERFECT!
but how to light them up and where to put them?

I thought about this for some time and decided that the top panel should have a saying or something that she would like. I used a lifeline and bounced my initial idea off one of her friends. first I had thought of making it say "# TEAM JESS" (she would have liked it) but her friend convinced me to do something more romantic and use our wedding date.
so it was finally settled, to be "D&J 3-15-08" that's 10 characters to be lit up by...something and it can't just be an on/off situation, that's not fancy
the next time I was at Radioshack (prior t the mass store closings) I saw the perfect thing for...Continue Reading
Posted by Sawee | Yesterday @ 07:53 PM | 751 Views
AKK X1 & X1P 5.8ghz FPV VTX. Both power switchable from 0/25/200/600mW.
Most of specifications are same. The only different is X1P has a Pigtail, X1 without.
And here is the review of two products on youtube:
AKK X1 & X1P 5.8ghz FPV VTX Review (3 min 56 sec)
Posted by Jay 123 | Yesterday @ 07:14 PM | 757 Views
People will now be able to watch drone racing on TV at home, but the makers found it was really challenging for people to watch the races live at the events.
This is because the drones are about the size of dinner plates and travel at speeds of 80mph - which can make them quite tricky to film and watch.
So, they have been looking into making special headsets which the audience can wear, so that they can see the drones from a FPV as well as the racers, and also see close-ups of the race on a tablet.
As well as this the makers have used bright and colourful LED lights on the drones and the obstacle course, to make things easier to see from further away.
In terms of safety, some drone race venues put big nets all around the audience to protect them, in case any drones crash or get a bit too close.
The current professional race courses are all in America, but may people are hoping to bring the professional drone race to C hina soon.
Posted by Jazz39 | Yesterday @ 06:20 PM | 770 Views
I admit I'm obsessed on making foamys look like a surf board. I don't even like the way they sound when you pick them a beer cooler.
Posted by 1000MPH | Yesterday @ 05:32 PM | 808 Views
Marble racing
Sand Marble Race 2017: Tournament Race 6 (2 min 12 sec)

Full Scale Heli Racing
Helicopter Air Races (5 min 54 sec)
...Continue Reading
Posted by yosemitez | Yesterday @ 04:23 PM | 845 Views
YI 4k Plus vs Thieye 5TE comparison

First a comparison of the jpegs showing cropped and then no post processing, just reduced in size. 2nd set is just reduced to 2100 x 1575 (3.3 MP), no processing.

The Thieye looks like it does processing in camera, iso 400 sharpness soft, AWB.
The Yi 4k+ , iso 400, color flat, low sharpening, shutter auto. For color it has YI or flat, with flat AWB is disabled. You can also shoot JPG with DNG (raw).

Next set is the YI dng file converted to jpg and resized
Posted by Reckless_fpv | Yesterday @ 01:00 PM | 984 Views
Posted by JohnVH | Yesterday @ 01:00 PM | 1,011 Views
Helicute H818HW RC Quadcopter - RTF Unboxing, Flight and Review (13 min 22 sec)

Where to get one:

Cool looking great flying Quadcopter! The H818HW is alot of fun, I forgot the sd card so this video is everything but the FPV and footage from the quad. Ill have a followup video soon with that! Be sure to subscribe so you dont miss it!

Youll notice the rear arms are higher on the body than the front, one of the unique features of this quad, as well as the three legged landing gear, I really like the looks and flight characteristics of this one.

- Spare parts
- Flies great
- Great range
- Long flight time (est 10min)
- Unique looks
- Lights
- Camera

- Flip button and RTH didnt work on mine

Main Features:
● With WiFi camera, you can enjoy the 720P HD FPV on your phone
● Forward / backward, turn left / right, up / down, sideward flight
● Four bright LED lights ensure the visibility and flight safety at night
● 6-axis gyroscope reduces vibration and ensures more stable performance
● 2.4GHz 4-channel transmitter, anti-interference, 100m long control distance
● Built-in 3.7V 1000mAh lithium-ion battery provides up to 13 minutes' flying

App download: QR code on the package
Compatible system: Android, iOS
Brand: Helicute
Type: Outdoor,Quadcopter
Model: H818HW
Features: Brushed Version,Camera,...Continue Reading
Posted by JetMang | Yesterday @ 12:30 PM | 1,002 Views
This is about the baddest RC Corsair I've ever seen. Moki 250 radial engine, folding wings, and an amazing pacific theater finish. It looked and flew amazing!

Giant RC F4U Corsair (CARF) with Folding Wings & Radial Engine - Warbirds & Classics 2017 (5 min 19 sec)