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08-01-2018 06:13 AM
bbbair
Re: B17 Build

I just double checked the Stats of the B17 ... That 1/3 scale plane is MORE accurate than you can believe...

The pilot complained about it being underpowered with a speed of 90 mph and a climb rate of 350 feet per minute... if you scale these numbers up (x 3) it is almost identical to the FULL Sized plane!

90 x 3 = 270 mph
350 x 3 = 1050 f/min

Full Scale Performance (from Wikipedia)

Maximum speed: 287 mph (249 kn, 462 km/h)
Cruise speed: 182 mph (158 kn, 293 km/h)
Range: 2,000 mi (1,738 nmi, 3,219 km) with 2,700 kg (6,000 lb) bombload
Service ceiling: 35,600 ft (10,850 m)
Rate of climb: 900 ft/min (4.6 m/min)
07-31-2018 10:17 PM
bbbair
Re: B17 Build

Quote:
Originally Posted by Max View Post
HA HA.. That think looks and sounds like an RC B-17 when its in the air
I can't argue with that assessment!

BUT!

It is IMPRESSIVE none the less!
07-31-2018 07:45 PM
Max
Re: B17 Build

HA HA.. That think looks and sounds like an RC B-17 when its in the air
07-31-2018 12:28 PM
bbbair
Re: B17 Build

I FINALLY found evidence of the completion of this plane!







WOW!
03-06-2017 02:59 PM
Extra325
Re: B17 Build

Unreal!!!

Amazing labour of love

Brad
02-14-2017 07:57 PM
bbbair
Re: B17 Build

An Update... a little late but better than never.

Fri, Nov 18, 2016
First Flight Of The Bally Bomber Completed
One-Third Scale Replica Of A B-17 Takes To The Air
We don't yet have a lot of details, but homebuilder Jack Bally reportedly flew his Bally Bomber for the first time on Monday, November 14.

The flight was reported on the EAA Homebuilder's Facebook page. "On Monday, Nov 14, 2016, Jack Bally`s scale replica B-17 took to the air for the first time, completing a short flight from its home field to a local airport for continued flight tests. It has been a 17-year journey for Jack. We hope to see videos and photos posted soon. Congratulations Jack!"
Bally, a resident of Dixon, IL, has been working towards that day for 17 years. The FAA certified the airplane for flight testing in late October.
The Bally Bomber was built by scaling up plans for a 1/9-scale RC model. But this is no RC aircraft. It is flown by a person sitting inside the aircraft.
The Bally Bomber has a wingspan of 34' 7" and is powered by four Hirth 3002 two-stroke engines. Her empty weight is 1,800 pounds.

Bally posted on his Facebook page that the pilot of the Bally Bomber is Darrell Mattson (pictured). He served in the U.S. Navy from 1963 to 1967, and was assigned to the aircraft carrier USS Hancock, as a member of its crash and rescue team.
Mattson learned to fly in 1977, at the Whiteside County Airport, and became a flight instructor in 1979. His licenses include pilot, commercial, airplane single-engine land, airplane single-engine sea, airplane multiengine land, and instrument airplane. As a flight instructor, he holds licenses including flight instructor-airplane single and multiengine, and instrument airplane. Mattson has more than 7,300 hours of flight time, including 250 hours multiengine land and 726 hours in tail draggers.


Another source

On November 14th, Jack Bally`s 1/3 scale B-17 replica performed its maiden flight, departing from its home field in Illinois for a short flight to a local airport, where it will undergo continued flight tests.
As previously reported, the aircraft was built using 1/9 scale RC model aircraft plans, and carries a single pilot. It is powered by four Hirth 3002 4-cylinder 2-stroke engines, spans 34′ 7″ and weighs an estimated 1,800 lbs.
The unique aircraft received airworthiness certification last month following initial engine and taxi tests. The recent flight was intended to be a high speed taxi test, but the machine was said to “just kind of [take] off”. The test was captured in the video after the break, although it does not offer clear footage of the mini bomber in the air. Better footage will reportedly follow the first “official flight”.
11-14-2016 07:40 AM
bbbair
Re: B17 Build

Another update... the time is near;

09-29-2016 06:12 PM
Trumpetman
Re: B17 Build

Cool, thanks for the update!
09-25-2016 08:22 AM
bbbair
Re: B17 Build

After seeing the latest video I wrote Jack Bally and asked him when we could expect to see the B17 fly, here is his answer;

She's close to her maiden flight. Have the Fed inspection to do and flying off test hours in radius around Bally Strip. Just started the 4 Hirth engines today for the first time and they all performed very good. Jack


09-09-2016 06:34 AM
bbbair
Re: B17 Build

Here is the 'LATEST' Update... It LOOKS finished to ME!


I wonder when it is going to fly??
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