Picture of the day
- Thread starter jwhc
- Start date
Blohm & Voss BV 138
Long-range Maritime Reconnaissance Flying Boat
German
Crew: 6 (pilot, navigator, radio operator, nose-gunner, rear-gunner, upper-rear gunner)
Capacity: up to 10 passengers
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Long-range Maritime Reconnaissance Flying Boat
German
Crew: 6 (pilot, navigator, radio operator, nose-gunner, rear-gunner, upper-rear gunner)
Capacity: up to 10 passengers
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bdft
CGN Ultra frequent flyer
Not a lot of environmental concerns back in those days. That could get you thrown in jail now.
fat tony
CGN Ultra frequent flyer
Ceramic armor.
Bits of quartz in a matrix of asphalt. The RN used it but were too snotty to call it armour. The WWII fortifications at York Redoubt (observation towers by the seashore) have this applique armour. The stuff looks like steel boxes with an x pattern on it. It was deemed effective.
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There was a war going on .... Fish spawning streams had no priority compared to dealing with the "Yellow Peril".
Think about the tens of thousands of gallons of bunker oil, coal and diesel fuel in the oceans resulting from the torpedoing of merchant ships, tankers and war ships. I've read that the early German U Boats used mercury as ballast. Once those hulls rotted away all that mercury was on the bottom.
Dark Alley Dan
CGN Ultra frequent flyer
- Location
- Darkest Edmonton
And diesel powered!
The Junker Jumo 205 was pretty much the only successful aviation diesel ever made, and was a wild and wiggly 2-stroke design.
More info here.
It also powered the JU86 P:
- Location
- WMU247 near Edmonton
And diesel powered!
The Junker Jumo 205 was pretty much the only successful aviation diesel ever made, and was a wild and wiggly 2-stroke design.
More info here.
ah one of those engines. No heads as the pistons share the cylinders on opposing crank shafts.
interesting and weight saving design.
and a 2 stroke
Same with Napier Deltic engine used in maritime, Nasty class torpedo boats for one, and Railroad engines.
18 pistons in 3 banks of 6 pistons.
Animated diagram of Deltic engine
Cylinder firing order of the 18 cylinder Napier Deltic two stroke diesel engine: The grid represents triangular cylinder arrangement (banks A, B, C) and rows 1 to 6
Note how bottom crankcase turns in opposite direction to top two crankcases.
18 pistons in 3 banks of 6 pistons.
Animated diagram of Deltic engine
Cylinder firing order of the 18 cylinder Napier Deltic two stroke diesel engine: The grid represents triangular cylinder arrangement (banks A, B, C) and rows 1 to 6
Note how bottom crankcase turns in opposite direction to top two crankcases.
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I visited the Diamond aircraft factory in Kitchener?
They make very nice carbon fibre airplanes. I saw a 4 seater sitting in the corner of the hanger. It had a diesel engine. About 320 c.i., as I recall. It had as much torque as a 360 gas engine, and it is torque that drives the prop.
The block was made by Mercedes. I don't anything else about it.
I burned 5 gal an hour. (gas engine is 10 gal an hour). Looked like the perfect engine but they said they would not be selling them in North America, only in Europe.
If it holds up for 2000 hours of flying, it looks like the perfect engine.
They make very nice carbon fibre airplanes. I saw a 4 seater sitting in the corner of the hanger. It had a diesel engine. About 320 c.i., as I recall. It had as much torque as a 360 gas engine, and it is torque that drives the prop.
The block was made by Mercedes. I don't anything else about it.
I burned 5 gal an hour. (gas engine is 10 gal an hour). Looked like the perfect engine but they said they would not be selling them in North America, only in Europe.
If it holds up for 2000 hours of flying, it looks like the perfect engine.
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Mr. Dynamite
CGN Regular
- Location
- Northern Alberta
One of the original bridges, with restoration. Very crude.
Grizz
Wow! How far up the highway is that bridge? Need to go see that some day.
I've driven the entire thing to Prudhoe Bay and back on my bike. Never saw that bridge.
Side road?
Thanks. That kills the lust I have had for that engine.
Otter Falls junction, between Whitehorse and Haines Junction. Otter Falls was apparently on the 10. bill at one time.
Grizz
You really need to get off the main road as it exists now to see much of the remnants. There are still some of the old parts you can access, the curved bridge by Dawson Creek is an obvious example, but further on up the road there are lots of little bits that still exist but are getting harder to access.
They're a neat engine, dead simple operation with FADEC - emergency procedures can be rather lengthy, and electrical failures are a serious issue... But, it's the maintenance intervals that are a killer, gear box replacements, etc.
Still, the 135HP engine in a diesel 172 with a constant speed wood composite prop only loses 10% of the speed versus a 160-180HP Lycoming at half the fuel burn. Also, the diesel increases the endurance into truly unholy territory, especially in a Cessna.
It was the endurance and range in the Diamond that caught my eye. I usually fly alone, so the fact that diesel fuel weighs more than gas was not an issue.
But the TBO on those parts is much too short.
Why a gearbox? A diesel can run in the 2000 to 3000 RPM range.
But the TBO on those parts is much too short.
Why a gearbox? A diesel can run in the 2000 to 3000 RPM range.
Dark Alley Dan
CGN Ultra frequent flyer
- Location
- Darkest Edmonton
Back to things military, as per the OP. Here's Hermann Goering, model train enthusiast:
Fatboy had an extensive setup at Karinhall. Guess he liked making them run on time.
Fatboy had an extensive setup at Karinhall. Guess he liked making them run on time.
This is what happens when you let the Germans design certain things, it becomes overly complex or an absolute abortion like the Extra EA-400.
Can't say I'm much of a fan of Diamonds, certainly do not like the DA-20s - free castering nose wheels. What nitwit dreamt that wonder up is beyond me. Also couldn't stand the trim, and found the push rod controls to be weirdly heavy after cabled designs. Fast though, for a small engine and lots of fun to spin.
Can't say I'm much of a fan of Diamonds, certainly do not like the DA-20s - free castering nose wheels. What nitwit dreamt that wonder up is beyond me. Also couldn't stand the trim, and found the push rod controls to be weirdly heavy after cabled designs. Fast though, for a small engine and lots of fun to spin.
