What If: Mosquitos vs Oil Targets

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That is true but the Germans were very good at using remote techniques to monitor Bomber Command and the 8th Air Force. They listend for things like the radios being warmed up before take off, listening to the radio for breaches in security, tracking them as they formed up. They were also excellent at getting POW's to talk and analysing little details such as the photos given to aircrew to help with ID cards should they try to avoid capture.

Its an interesting area.
 

It may vary with army, the gun involved and training.
According to some sources the 20 round magazines weighed about 21kg which is not too bad a load for a man to follow a traversing gun with. Stumbling over outriggers and such does slow things down. The allied 20mm Oerlikon with it's 60 round drum may have been more difficult to reload.
I believe you served on/with a twin 30mm weapon?
What was the weight of the magazine or feed arrangement of those weapons and how long did it take to change them or top them up?
Changing a 20 round box magazine may not be that difficult compared to larger, heavier magazines or feeds. Given the short firing times trying to reload during the engagement would be desirable vs releasing between engagements or firing exposures like could be done with guns holding 3 times the amount of ammo.

As far as the 40 round " box" goes all I have found so far is that there were shipping/transport boxes that held two 20 round magazines each for 40 rounds per "box".
 
The 50 rds magazine (2 twin rows each) weighted 89 kilos, and two loaders were changing them, obviously one magazine at time. The drill was lasting 80 seconds, IIRC, from time the loaders scrambled from their hatches until they were back under armor again, (it was a SP piece), guns loaded.
 
A Mosquito looks a lot different then a B-17. If 100 Mosquitos tag along during daylight and split off from the main formation en mass I think the Luftwaffe air defense network would notice.

When I said "do the same" I meant that the Mosquitos would use the B-17s as a diversion. I didn't mean literally your scenario of having the Mosquitos in the formation with the B-17s.



I'm sure during the day the early detection of the bomber stream would be done by the same radar as was used at night. It is only when someone gets a visual that notice would be taken. That, possibly, could be as soon as the aircraft crossed the coast.

If radar wasn't that effective below 500ft then why would we have the Mossies dawdling along at 200mph and 18,000ft? Why not send them i below the radar height and fast. More difficult at night, I know, but 617 managed even lower with Lancasters, albeit slow and only in small groups.



If they fly in at below 500ft they could avoid detection until near the target. If the NFs or fighters (in the day) are occupied elsewhere by the bait (ie heavy bombers) then the only opposition will be the flak guns.

I very much doubt that the flak gunners would get 100% of the attacking force. I even doubt 50%. It may be the "grim calculus of war", but it isn't practical. Oil facilities had a habit of being repaired and getting back into operation. One strike wasn't going to do it - be it Mosquitos, Lancasters, B-17s or B-29s. Continuous bombing needed to be done, so as few losses as possible would be required.

I would think you would start with 200 Mosquitos, and hold 50 in reserve - if they are available, of course. You could hit the plant with 100 in the morning, and as those are returning to base another 100 could be heading for the same target, or another. The remainder of the first group could be re-fuelled, re armed and re-crewed and sent on another mission in the afternoon. This could continue day and night as long as the number of Mosquitos remains high enough.

As you have pointed out, flak positions may be the biggest threat to such a plan.
 
and what happens 0n day 2 when 50% of the aircraft are U/S and day 3 when 70% are broken .
 
Probably a better plan would be for the Mossie's to trail the bomber stream and continue the bombardment of the target. That would suppress firefighting efforts and allow more thermal damage (from fires) to the steel and iron infrastructure of the refineries.

Surprisingly, the refineries had a single weakness that if destroyed, would permanently put them out of action. Those were the high pressure compressors used in the refining process. But, you needed 4000 pound bombs at a minimum to destroy them. On occasion, the 8th and 15th bombers hit them. But the 500 and 1000 pounders caused only superficial damage.
 

I presume that since you made reference to the USAAF trying to hit them they knew where in the plant they were and how valuable they were?

Sounds like the 4000lb MC was the bomb for the job - but they weren't available until late 1943/44 IIRC, and only a few aircraft could carry them. The Mosquito was probably the only one which could carry them in low and have areally high chance of getting hits.
 

You could look at this the other way around. Use the Mosquito with the 4,000 ib bomb to do the serious damage and let the B17 support them and suppress the fire fighting effort
 
Do you really think that's what would happen?

I think the losses would be much less than that.
It wouldn't be pleasure cruise , I do believe between damaged and problems of usual maintainence it would be very hard to keep that group of aircraft at anywhere near the numbers you propose . remember you have the aircraft coming back and new crews driving them . I'm not even including losses
 
You could look at this the other way around. Use the Mosquito with the 4,000 ib bomb to do the serious damage and let the B17 support them and suppress the fire fighting effort

Or make more Lancasters since they could carry 3 times the bomb load of a B-17.
 
It wouldn't be pleasure cruise

Never thought it woudl be.



Still seems way too high - to lose 50% of aircraft due to servicibility problems during 1 day.
 
You're correct. I believe a squadron of 12 could drop their bombs and clear the area before the bombs went off..
Crews were given a TOT (time on target,) so it wouldn't be difficult to stagger arrival times so that a preceding "delivery" had already exploded.
In any case, there were other fuses with longer delays if needed.
Very true
Using the bombers as a cover was usually employed, but not by flying with them; concentrating all aircraft in one area is a recipe for disaster. If you check records, you'll find that genuine raids, and "spoof" raids were regularly undertaken at the same time as a major raid, with the idea of splitting the nightfighter force, even getting them to take off, and sending in the main force while they were back on the ground, refuelling. It was rare for a force to head directly towards the target; apart from needing to avoid well-defended areas, it was necessary to fool the defences into thinking that they were heading for a completely different target, thereby sending nightfighters to the wrong place. People tend to forget that other raids were taking place during the dams raid, which is why 617 were largely unmolested while they were near their targets.
 

I believe there were 2 different radar systems and reporting between NF and day-fighters.
 
People tend to forget that other raids were taking place during the dams raid, which is why 617 were largely unmolested while they were near their targets.

Not entirely true in the Dambusters' case, only other activity that night according to the RAF History site was "9 Mosquitos to Berlin, Cologne, Düsseldorf and Münster, 54 aircraft minelaying off Biscay ports and in the Frisians, 4 OTU sorties"

One of the most notable spoofs was during the Peenemuende raid, when a small number of mossies tied up the German NF force over Berlin. The Germans eventually tumbled to it, which is why so many of the casualties fell on the last wave.
 
A mass attack can overload enemy air defenses. Attack with one squadron at a time and the 50 or so light flak weapons will slaughter them 12 aircraft at at time.
 

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