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Dr. Eddies Wingman said:
2nd aerobatics flight done! To begin with, I made a smoother takeoff this time. The Cap 10 needs precise use of rudder during takeoff or it will swerve. And nobody wants that.

The main focus for today's class was spins. We started with a so called "max performance steep turn" though, which is when you pull as much G as the aircraft is capable of without losing airspeed or altitude (i.e. the tightest turn it can do while level and with stabilized airspeed).

Then on to spins, where we did mostly half turn and one turn spins. Due to some cloud around us, obscuring the horizon from time to time, I wasn't at competition level of precision with regards to heading upon recovery, but the recovery itself was good every time.

We also tried some "lazy eights", which in an aerobatics setting is flown with 90 degrees bank on the top. But it's a surprisingly comfortable maneuver considering how much you actually change the attitude of the aircraft.

Speaking of attitudes, we did some "unusual attitude recovery" as well, where the instructor put us in some weird attitude while I had my eyes closed, and my task was to return the aircraft to straight and level in the correct manner. The last one saw us more or less inverted, so the recovery was simply a half roll.

Finished off with a decent landing. Once again. When will my luck run out with those?
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That sounds like such a fun ride! Much more exciting than the roller coasters I've been on!
 
Travis The Dragon said:
That sounds like such a fun ride! Much more exciting than the roller coasters I've been on!
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It is very fun! But it is very different from being on roller coasters. On a roller coaster you get more of a sensation of speed as you're closer to the ground. But the view from the air ... when you press that rudder and it feels like the world, not you, rotates 180 degrees and comes towards you. I imagine it can be scary if you don't know what's going on!

In the next lesson we're going to start doing loops and rolls. It looks easy from the outside ...but in reality, there's a lot going on during a loop! You have a constantly varying G-force and must watch the throttle carefully as well.
 
Dr. Eddies Wingman said:
It looks easy from the outside
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Not only from the outside, but the control physics of it are deceptively simple, some of the manuevers have been laid down independent of the theory very early on, like basic half loops. Enough airspeed in a level flight, pull up 180 degrees and roll the plane back to level. Piece of cake, right?
 
Easy to do, difficult to do accurately :)

Loop:
1. Constantly varying G-force during the maneuver, otherwise it will not be round. Over the top of the loop you're pulling about 0,5 G compared to about 4 in the initial pull-up and the final pull-out. And you do not want to pull too much G.
2. Unless you have constant speed propeller: Full power must be applied after the airspeed had decreased sufficiently, out of a risk of overspeeding the engine. Once on the way back down, it must be eased off again.
3. As both airspeed and engine power are varied throughout, varying rudder input is required to keep the plane coordinated. Most on the top when the airspeed is low.
4. If there's a crosswind you need to compensate for that - you want to come out of the loop right where you entered it.

And if you are to roll level at the top of the loop ... again, if you don't care about precision, easy. But if you are to come out of it at the correct altitude and heading, you need to make some rather counterintuitive control inputs.
1. Stick forward (i.e. -1G) to level off inverted
2. Rudder opposite of roll direction to counter adverse yaw while inverted. Forget this and you're thirty degrees off heading when you're back level.
3. When 135 degrees of roll remains, rudder with the roll direction to keep the nose of the aircraft from dropping. Forget this and you lose altitude.

Enough theory. I'll come back after the next lesson to tell how it felt in practice :cool:
 
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Last night I had a nosebleed I couldn't stop and ended up in A&E - I now have to see my GP to get my blood pressure investigated :(

What beggars belief though: the height of medical sophistication (and how the hospital eventually stopped it) was taping two lolly sticks together to improvise a giant clothes peg, and leaving that on my nose for about and hour :scared:

Work have been very sympathetic and told me to take the rest of the week off and rest.
 
Black Abyss Babe said:
Last night I had a nosebleed I couldn't stop and ended up in A&E - I now have to see my GP to get my blood pressure investigated :(

What beggars belief though: the height of medical sophistication (and how the hospital eventually stopped it) was taping two lolly sticks together to improvise a giant clothes peg, and leaving that on my nose for about and hour :scared:

Work have been very sympathetic and told me to take the rest of the week off and rest.
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'Tis a well proven method.

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Black Abyss Babe said:
Last night I had a nosebleed I couldn't stop and ended up in A&E - I now have to see my GP to get my blood pressure investigated :(

What beggars belief though: the height of medical sophistication (and how the hospital eventually stopped it) was taping two lolly sticks together to improvise a giant clothes peg, and leaving that on my nose for about and hour :scared:

Work have been very sympathetic and told me to take the rest of the week off and rest.
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Oh, feel better. I've gone through blood pressure problems and it's not a lot of fun.
 
Black Abyss Babe said:
Last night I had a nosebleed I couldn't stop and ended up in A&E - I now have to see my GP to get my blood pressure investigated :(

What beggars belief though: the height of medical sophistication (and how the hospital eventually stopped it) was taping two lolly sticks together to improvise a giant clothes peg, and leaving that on my nose for about and hour :scared:

Work have been very sympathetic and told me to take the rest of the week off and rest.
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I feel for you. During the summer I tend to get a nosebleed that basically lasts a week or two. I can stop it for a few hours but it can break out again at any given time.
 
I am pretty much in nosebleed central right now as well .. happens every winter. Have the humidifiers at full blast. It was bad the other night.

Worse one was when I was in Japan a few years ago. Went into a bathroom and it was just gushing all over the place. I tried to clean it up the best I can, but I am am picturing the Japanese version of CSI thinking it was a crime scene.
 
Thanks @LooseCannon , @Perun and @bearfan (and @Dr. Eddies Wingman). I had a bad patch with nosebleeds about two years ago, but never one that couldn't be stopped by pinching my nose for 15 minutes (after seeing a very knowledgable and helpful doctor who explained about the difference between blood clots and scabs). This time in spite of trying this several times (part of that time with the Boyfriend holding a bag of frozen veggies on my neck) it just wasn't working - it was bleeding so fast I couldn't get a clot to form at the site of the bleed. Thing is, earlier in the evening I noticed something like a small blister inside my nose where the bleed later happened - I could see it in the mirror because the light was reflecting off it. I guess there must have been a weak spot there that swelled up and popped when my blood pressure went up.

I wonder how boxers and rugby players cope with nosebleeds? They must get them all the time.
 
Has anyone here ever been involved with recruitment (or been recruited) using the success profiles technique? I can't tell if this is a British public sector thing or if it's more widely used in the business world. It looks like quite narrowly defined competency targets but with a presentation and psychometric assessment part too.
 
Dr. Eddies Wingman said:
I guess they just play on/fight on until they pass out from the blood loss :D They are crazy, after all.
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The thing is, they don't immediately make themselves invalids or think it's a serious problem or feel like some major cloud is hanging over them and preventing them from having a normal life. To them it's just a nuisance which they learn to deal with whilst continuing with their chosen sport. I found a tennis forum once which had a thread about nosebleeds and it struck me that at no point did anyone ask the question "what if I can't play anymore because of this?" The default assumption by all was that there would always be a way to continue. I found that very heartening.
 
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