Blenheim operating limits and checklists

[Redroach]

so... nothing new about the bomb not properly fixed by ground crew?

P.S.: Has anyone noticed that the blenheim has a rather beautiful sound in external view?

[Redroach]

Okay, I've been searching the web for a) how to use the bombsight properly, and b) more info on the different fuzes. Sadly, I came up with almost nothing so far

One thing I did find, however, was some pics about the blen's bombsight:
http://users.cyberone.com.au/clardo/..._armament.html
The sight is identified as a Mk IX course-setting bomb sight and the drawing suggests that there is more to adjust than I currently do (just alt and speed, while considering the sight being off, as mentioned above). Apparently, you have to look at the junction between those two rings.
A thorough explanation would be greatly appreciated!

As for the fuzes... the search has been frustrating. I've found heaps of pictures from collector's sites, but no info as to how they work. A short table would be greatly appreciated as well!

[Mechanist]

Interesting findings about the LSC and SBC. It would be definitely usefull to have them in the sim. 16 40lb bombs would be just like the AO-10 in Il-2.

WWII allied fuses are quite simple, mostly mechanical. Ever ready fuses are working like a nail. If you push them on one side it will put presure on the detonator charge which leads to a chain reaction known as explosion of the bomb.
The more common mechanical fuses are armed by time with a spinner which is spinned by the airflow. When the spinner reaches its final position the bomb become armed an will expolde on contact. You can put a timer mechanism in the above mentiond constuction, which will count down from the moment of inpact the a pin will put presure on the detonator charge.
Most of (if not any) the fuses have a safety pin which blocks all above mentioned actions. Usually it is removed by the falling of the bomb, Imagine a pin in a slot (in the fuse) which is tied to the releasing mechanism on the plane.

Here is a schematic of a very primitive mechanical fuse for aerial bombs

[xpupx]

Originally Posted by Redroach

Okay, I've been searching the web for a) how to use the bombsight properly, and b) more info on the different fuzes. Sadly, I came up with almost nothing so far

One thing I did find, however, was some pics about the blen's bombsight:
http://users.cyberone.com.au/clardo/..._armament.html
The sight is identified as a Mk IX course-setting bomb sight and the drawing suggests that there is more to adjust than I currently do (just alt and speed, while considering the sight being off, as mentioned above). Apparently, you have to look at the junction between those two rings.
A thorough explanation would be greatly appreciated!

As for the fuzes... the search has been frustrating. I've found heaps of pictures from collector's sites, but no info as to how they work. A short table would be greatly appreciated as well!

Every little bit helps !
Have a read of this about halfway down the page!
http://www.twinbeech.com/norden_bombsight.htm

[Redroach]

wow, nice pictures. Thank you! Though the workings are still somewhat shrouded in mystery

[xpupx]

I can honestly say that the Blenheim is the most rewarding aircraft to fly, It is not very forgiving but can take massive amounts of damage and still make it home on one engine as long as you have 10000 feet under your wings ant treat her well.
We frequently do 2 hour round trips in to La Have or the Rouen Boss from Sandown and make it home.
The following is how we do it!
Spawn Aircraft with 85% fuel.
Switch on magnetos 1&2.
Switch on wing tanks 1 & 2.
Switch on Boost cut off (just in case).
Drop your throttle to 11%.
Select and Start engine 1.
Select and Start engine 2.
Synchronize both engines.
Adjust your course setter to the north position.
Adjust your directional gyro to the heading you have just obtained from your course setter.
Trim your rudder to the neutral position.
Trim you elevators to just under the neutral position.
Open up radiators to the fully open position.
Increase throttle to 35% and you will start rolling out, once moving drop you pitch down to 90% and taxi to the run way (use you pitch controls to keep you water temp on or just above 200, the 12 o clock position on your dials).
Stop at the start of the runway and let your water temp drop to 200 (12 o clock position on your dials). Then increase throttle to 50% reset pitch to 100% and keep a straight line by using your brakes until your tail lifts.
As soon as you are airborne retract undercarriage and reset you elevator trim.
Reset elevator trim to make the aircraft climb at about a 25 degree angle and drop pitch to 90% and switch off boost.
The Blenheim should fly all day like this but keep this in mind:
Keep the water temp just over 200 degrees just past the 12 o clock position on your dials, use your pitch and radiator controls to do this as you get higher it gets colder you need less radiator and as your climb rate decreases you need less pitch.
You can push her up to around 70% throttle but damage will occur sooner or later.
When you get to 6000 feet turn on your carburetted heaters and this will settle your RPM down.
The thing to keep in mind is that every time you adjust a control there is a consequence for it, heat for water or oil, speed, height whatever. So when you move something you have to change something else.
By the time you get to your cruising altitude and trim the aircraft to fly level you should find that the radiator is almost closed the pitch is around 40% and the fuel mix can be dropped down to about 75% too, and you can get around 140 to 170 MPH if you get it right.
The bottom line is never take your eyes off dials it only take seconds to stuff an engine.
Hope this helps