Posted by JohnVH | Today @ 12:46 PM | 101 Views
Fun video, pointed the nose down hit full throttle in REVERSE!
Nose UP and DOWN Hovering Remaiden Eflite DRACO 2.0m Smart BNF Basic with AS3X and SAFE Select (7 min 46 sec)

Posted by burkefj | Today @ 12:29 PM | 91 Views
Here are the first three F-117 flights of my scratch build 1/20th scale version, now ready to paint the top flat black...Flew like a sweetheart, nice glide and controllable flare.

R/C F-117 Stealth Fighter Rocket glider (3 min 50 sec)

Posted by Craycle Hobby | Today @ 03:39 AM | 298 Views
Our first 3D printable aircraft project FPV ORCA.

Orca is optimized for normal PLA and PetG. It can fly long time with up to 2200 mAh battery. You can put your flight controller, GPS or telemetry module.

Orca has a big loading space, easy printing (support free) and quick assembling process. 35-40 hours printing time and 30-40 minute assembling time.

All you need to make this model is a CA glue, 5 mm carbon rod and 2 pieces between 1 and 1.5 mm daimeter push rods.

ORCA is not for the beginners, it flies very fast and acrobatic! You can also use it as a Racer, FPV and Freestyle.

Building video will be coming soon as possible. But you won't need it because ORCA has a very easy building process. User guide will be enough for build.

STL files available on cults3d: https://cults3d.com/en/users/crayclehobby/creations

Flight Video: https://www.youtube.com/channel/UCmA...qqHXPKwQQmtE_w

PDF User Guide: https://1drv.ms/b/s!Au6X2Jil-WVD6jgs...Pp53u?e=PNfYbw

Follow us for more information: https://www.instagram.com/craycle/
Posted by Jack Crossfire | Today @ 01:44 AM | 403 Views
The cheapest way to try to reduce the overheating motors was by shrinking the wheel diameter to the smallest possible size. 74mm was disappointing. Maximum speed was reduced to 8.5min/mile. Hill climbing with a payload was slightly faster. It was noisier. It was really noisy with a payload, because the internal structure of the tire created hard points. The mane problem was the low ground clearance. The motor modules got really chewed up. The minimum ground clearance seems to require 108mm wheels.

74mm wheels work for skateboards because the only exposed part is a narrow shaft. They steer by rotating the entire shaft of the front & back wheels. Since only the traction wheels have to be small to provide enough force, the front wheels can still be 108mm & have all the steering hardware. The motors in the rear have to be fully enclosed in the tires with only narrow shafts joining them to the chassis.


So there's still a problem of overheating motors as the weather warms. The latest theory is to invest in 1/16" sheet aluminum. Manually cut out hubcaps to dissipate heat out of the hubs. Manually cut out strips to dissipate heat from the motor legs.

Making those 74mm wheels was a lot of work, but it was still infinitely easier than before 3D printing. 20 years ago, it would have entailed many days of cutting & grinding or wouldn't even have been possible. A younger lion did spend many years on robots where a big part of those years was spent manually creating parts that could have been spun out by a 3D printer in days.
Posted by GBLynden | Yesterday @ 08:45 PM | 548 Views
This thing is a beast!

Mike Patey's HUGE E-flite Draco RC Plane Unboxing & Overview (8 min 18 sec)

E-flite Draco BNF Basic Review Notes:

Pros:
- Working suspension in the front & back landing gear
- 4S-6S battery options
- SAFE/AS3X Receiver with the BNF Basic version
- Many different light combinations
- Carbon fiber added all over for additional strength
- Reasonably quick Foam RC Airplane build time
- ESC works well with Spektrum Smart packs & lets you know if your flight packs are not charged enough to fly

Cons:
- The tail section is sloppy for a plane of this caliber
- Horizontal stabilizer could have used screws instead of just a click in setup to ensure strength

Visit https://www.gblynden.com/
Posted by chum444 | Yesterday @ 08:20 PM | 535 Views
I appreciate all the assistance provided to me by the west coast experts. Mark Weitzman, Capt CB, Pat M, Ed Crowell , & others.
Posted by PhinsPhanPhlyer | Yesterday @ 07:13 PM | 620 Views
Hi Everyone!

New-ish to RCGroups but spend a lot of time in quite a few RC groups on social media. I'd like to spend more time here for several reasons. One being I sell things here and there and Ebay is getting RIDICULOUS with the way they treat sellers. Regardless, I'd like to invite anyone to check out my YouTube channel, Inverted Adventures! It's small but growing, and covers a lot of my RC Car and Airplane related adventures! I also have a matching social media page for those interested with keeping up between videos.

YouTube: https://www.youtube.com/channel/UCgr...XCtwsZl8xNLomg
Posted by johnshannon | Yesterday @ 05:10 PM | 634 Views
This is the long-form of my journey of the K&B 15RS (aka Wart, aka Racing Schnürle). First, I must acknowledge my friends without whom this project would have been impossible. Luke Roy (of Rattler fame) provided invaluable data. He has an original barstock case and sleeve from the prototype phase plus one of the investment case cases that came after the 15RS. This provided the details of the sleeve porting and case transfer shapes. Luke also reverse-engineered the stroke based on the cylinder bore. Bill Hughes contributed detail photos (aka Mug Shots) of Glenn Lee’s engine used at the 1964 F2A WCs. Additionally, he provided certain critical dimensions and important information like the engine used a K&B 15R rod. Darron Black (aka “Boy Wonder” because he reminds Dub and me too much of ourselves at his age) is a friend of Dub and mine that provided invaluable support for me learning Autodesk Fusion 360 and identifying Shapeways as a source of 3D printing directly in aluminum. Bill Wisniewski, of course, is the designer of the of the K&B 15RS and provided critical information about its design and development in personal conversations. And last, but not least, is Dub Jett, my life-long flying partner and friend who supported my efforts with his excellent advice. As the Beatles’ song says “I get by with a little help from my friends”!

The precursor of the K&B 15RS is the developmental prototype engine by Bill Wisniewski used to incorporate schnürle porting into...Continue Reading
Posted by kevin whitesell | Yesterday @ 03:53 PM | 652 Views
It has been 7 years since my last post here on my blog. I am still flying R.C.planes. Still love my Warbirds and have more jets now
In my hanger. The best jet I have ever owned so far is the E-flite F'16 Thunderbird. I have around 76 flights in her to date. Jets...E-flite F-16 , F-4 Phantom , J-2 Fury, UMX F-16 and Mig 15, Durafly Canadian Vampire , FMS B.A.E Hawk and A-10 Thunderbolt 2.
Posted by mbeau | Yesterday @ 01:27 PM | 689 Views
Test photos - less carb and backplate
Posted by benjamin presten | Yesterday @ 09:04 AM | 813 Views
An alphabetical stroll through the history of aviation. Day 24, X

Vought XO5U-1: Since the US military likes to give every experimental airplane a designation that starts with X, there’s an endless list of X airplanes. So how about one that is completely irrelevant in the history of aviation?

Between the wars, the US was looking for a catapult launched, single float, biplane with folding wings. The contract eventually went to Curtiss for the SOC. But several companies took a shot at the contract. Vought’s entry was the XO5U-1.

The XO5U-1, or O5U if you don’t want to type so much, was a high performance biplane with dramatic tapered wings, four ailerons and huge flaps on the upper wings. It was powered by a large Pratt & Whitney R-1340 so presumably it was quite the performer. The O5U which was essentially a continuation of Vought’s earlier biplane designs, had one really cool feature that most other catapult launched floatplanes didn’t have. It was amphibious. A very narrow, tail dragger gear was retracted into the center float. I’m sure given how narrow, top heavy and short coupled it was that it was a real treat to handle on pavement.

The O5U was a real barn burner in the production department with a whopping single example. Since it didn’t win the contract, obviously it never went into production. It managed to survive almost a year until it was crashed in 1938. Kind of a bummer that such a cool high performance, unique and cool looking airplane didn’t amount to anything.
Posted by benjamin presten | Yesterday @ 08:59 AM | 818 Views
An alphabetical stroll through the history of aviation. Day 23, W

Waco CRG: Who doesn’t love a racing version of a cool airplane? The CRG bears a striking resemblance to the Waco Straight Wing but is significantly cooler.

In the 1920s, Ford was sponsoring an event called the Ford National Reliability Air Tour. Essentially a big circle flown around the wester 2/3s of the US, covering nearly 5000 miles. In 1928 Waco won the event with a Waco 10 and in 1929 they won it again with John Livingston flying a Waco 10/GXE/O series airplane. So when 1930 rolled around the pressure was on for Waco to clinch the win again. They turned up at the starting line with two freshly completed CRGs.

The CRG was very similar to a standard Waco Straight wing but housed a few neat tricks. Firstly the wings had been modified with a new racing airfoil. Secondly, the landing gear was significantly lengthened. Since the new airfoil stalled at a higher angle of attack, the longer gear allowed for a perfect stall at three point attitude on landing. Lastly, they bolted a 240hp Wright R-760 to the firewall.

After some extremely questionable rule changes in the Ford Tour that conveniently allowed the Ford Trimotor to win it, the CRGs took second and third place flown by John Livingston and Art Davis. After the race, one CRG managed to find a career as a skywriting airplane that allowed it to survive to the present day. It was restored quite some time ago and is currently flying across the...Continue Reading
Posted by benjamin presten | Yesterday @ 08:57 AM | 822 Views
An alphabetical stroll through the history of aviation. Day 22, V

Vulcan American Moth: Between Vultee and Vought there is a whole plethora of V aircraft but I figured I’d pick something a bit more obscure. The Vulcan American Moth was an early monoplane with a surprising amount of history packed into it.

Designed in the late 1920s by the Doyle Brothers, graduates of Harvard and Yale, the Vulcan was the first of a confusing line of monoplanes. The Doyle brothers, fresh from college, joined forces with William Burke from the Vulcan Last golf club company. Together they formed Vulcan Aircraft Company. Their first design was the American Moth. Named such as an attempt to gain a little popularity from De Havillands success.

The American Moth was a two seat parasol with a conventional landing gear and a series of radial engines. The front passenger had to remove the section between the cockpits to get into his seat. The prototype actually had a bathtub style cockpit that went all the way around both seats. The moth had a whopping production run of 8 airplanes.

The Doyle Brother’s left the Vulcan Aircraft Company later that year and started their own company. They produced the Doyle O-2 Oriole and Vulcan Aircraft became Davis Aircraft which later produced the Davis D-1. (my all time favorite classic) Each of those will have to get their own write up one of these days.

There is one surviving Vulcan American Moth however it was more or less destroyed in a bad accident years ago and it’s wreckage is still floating around in some California hangar awaiting an owner with the will to restore it.
Posted by coreman | Yesterday @ 05:40 AM | 1,104 Views
We are making available for immediate ordering our larger (30" wingspan) interpretation of the Leadfeather 3D Delta including a KF4 airfoil (theory) which not only gives the plane great flight characteristics, it also strengthens the wing significantly. We have increased the fuselage thickness to 15mm EPP to strength it. The KF4 airfoil (image) complicates the wing building over and above a typical flat foamie. (but the end results are well worth it)
http://www.racores.com/DDDeltaXL.html

Also, you should be aware that the build uses more than 2oz of Foam-Tac to complete.

Check out the associated flight videos on our 3D Delta XL playlist as well as the full instructions online
Posted by Ergonomic | Yesterday @ 05:27 AM | 912 Views
Hi, I live in Sweden and is looking for a Hitec 61076 HG3XA gyro, used or unused but in good working shape. If I buy from a company I have to pay a lot of extra costs, with shipping more expensive than the gyro. I will be open for any advice, spring is coming, tomorrow around 68F in Westervik.
Posted by Tick Point | May 08, 2021 @ 10:42 PM | 1,040 Views
9 years since I posted here last. What have I done since then? this is all I could find on my computer. I know I've done more and haven't organized anyting I'll check a storage device next. Everything I've saved so far is video, not pix. I have to post to YT

70" Jart at Tick Point (8 min 3 sec)

Posted by Nickerz | May 08, 2021 @ 09:58 PM | 1,062 Views
This afternoon, I bought the HobbyZone Super Cub RTF (HBZ7400) from an RCGroups.com member. Total paid was...

$175.00 (Plane ARF Kit, Engine & Radio!)
$23.99 (Shipping)
$N/A (Tax)
$198.99 (Grand Total)

This plane is discontinued but is still NIB! It's the color is blue and white (I have the red/white w/SAFE) but I got this one b/c the receiver includes the X-port which can be used with the different HobbyZone modules (i.e., Aerial Drop Module, Sonic Combat Module, Night Flight Module)!

I tried finding one online and saw one recently on eBay but it was used and the guy said it needed a new battery but wasn't sure if anything else was wrong, plus he was asking $99+$148 for shipping so after taxes, it would be around $250 and no guarantee everything works. But get this...


I'll update this with pics and an unboxing video later but I'll also include some more details that I don't have time to blog right now, such as my wanted ad and the other NIB I almost got from a hobbyshop - man that guy was a jerk! But so far, it all worked out thanks to a nice RCG member named Derrel!

Stay tuned...
Posted by Galleged1 | May 08, 2021 @ 08:45 PM | 1,064 Views
I'm new at this stuff so forgive my ignorance! Is it possibly to use the Receiver in a colossal heli which takes 11.1 v battery. Can the receiver handle the voltage.
Posted by siriusflier | May 08, 2021 @ 08:28 PM | 1,244 Views
E-Flite Valiant 1.3m BnF Basic

5/3/2021
I decided a while back that I wanted some good high wing taildraggers. Probably the main factor in my coming to that conclusion was the Hobbyzone Aeroscout with a nose wheel. Crashing it or even very rough landings often leads to cracking the fuselage or breaking the nose off. I have probably had to repair the Aeroscout more than 6 times because of damage caused when that nose wheel hits the ground wrong. So after some research I bought the Night Timber X. I have not flown it yet, just finally got it paired with my Spektrum transmitter yesterday because I am new to Spektrum and there are not really any easily found complete instructions on binding a receiver to a Spektrum transmitter. I spent several hours searching and studying how to bind it and finally put enough information from different sources to get it to work, but the Avian smart esc may not be working right, so no motor reversing. Spektrum transmitters may be good, but binding, programming, and setup is not simple. I have been using Detrum transmitters/receivers, and they are more user friendly.

So after reading both Night Timber X threads all the way through, I wanted something else to read, and found the Eflite Valiant thread, another BNF high wing tail dragger. Reading about it made me decide it might be the next plane to get. So I thought if I wait a while, maybe there will be some kind of sale on it. Friday or Saturday I got an e-mail from Horizon...Continue Reading
Posted by old4570 | May 08, 2021 @ 07:04 PM | 1,161 Views
ELF DLG , been a long time (14 min 4 sec)


I really like the ELF , amazing technology built into a 2ch glider .
Lift ? Where is the lift ?
I got teased by some rising air , just a tease . We just dont have much lift around here , lot's of sink , but that lift .
Next time I will try a lighter / smaller battery and have a more rearward CG .

Rusty flying on my part . Quite a few times I pushed the nose over too quickly , I might have got another 10 meters if I did not pull the trigger so early .