Mmmm, OK Jack thanks. I'll give it a go. But why would the power still not drop below 32%? EDIT: I have just conducted the test Jack and the time taken was exactly 53 seconds...

I think I have the same problem as you Rockliffe. Once I'm established on the ILS flying 200 knots at 4000, the plane starts descending and I set the MCP speed to for example 140. I put out some flaps, just enough so the nose is slightly above the horizon. She reduces to 29.1% thrust and slows down normally. But at the moment I hit "G" to extend the landing gear, she throttles up to 38.8%, and the speed starts increasing! In panic I set full speedbrakes, but she still won't reduce the speed. Speed is still set to 140 on the MCP but now shes increasing to over 200! Then I try to disconnect the autothrottle to bring the throttle down manually, I watch the throttle in the VC and put my joystick throttle to idle, it works but 1 second later, the throttle goes back to 38.8%. Same thing happens if I press F1 on the keyboard. The only way to get the throttle to fully idle is to disconnect A/T and hold F1 down during the entire approach, but that's too cumbersome. Something must be really wrong...

I might have to test that to see what idle N1 I get but at 10,000-20,000 feet, an N1 of 32% is about a standard N1 that the EECs use. Its not coming to me right now what it is on approach. Heck it still may be 32%! I will look to see if I have any videos.JackColwill

Cheers Jack, it sounds like you have more of a handle on things that me. I will wait in anxious anticipation. Even92LN, sounds very similar.

Did you try testing my example up top to see how long and far it takes to slow from 250-210?JackColwill

Yes Jack, I did post, but sure, it took 53 seconds! Mmmmm, err, this is strange. I'm just reinstalling and trying again.

Yes Jack, I did post, but sure, it took 53 seconds! Mmmmm, err, this is strange. I'm just reinstalling and trying again.

I posted a similar question. The 32% n1 thing is something that happened in real life called flight idle and is simulated in the Ngx. You might see your thrust levers moving by themselves to 32% but this is the only way lmdg could accurately simulate flight idle so it is nota bug; it happens on the real thing. Ryan says it engages below 15000 feet and with gear down and flaps at least at 15 if I remember.

I posted a similar question. The 32% n1 thing is something that happened in real life called flight idle and is simulated in the Ngx. You might see your thrust levers moving by themselves to 32% but this is the only way lmdg could accurately simulate flight idle so it is nota bug; it happens on the real thing. Ryan says it engages below 15000 feet and with gear down and flaps at least at 15 if I remember.

Ah OK, thanks for that. But hey, why does it take so long to slow this bird down. I have been flying the iFLY which is a pretty good likeness to the real thing and it's flight characteristcis, and I'd say with a similar scenario the iFLY would slow down about 3 or 4 times as quick!

Because the real NG can't slow down like the iFly 737. The 737NGX slows down the exact way the real bird does it everyday.

Ah OK, thanks for that. But hey, why does it take so long to slow this bird down. I have been flying the iFLY which is a pretty good likeness to the real thing and it's flight characteristcis, and I'd say with a similar scenario the iFLY would slow down about 3 or 4 times as quick!

The truth is that the other 737 is not as realistic in the FDE and systems simulation, so it will not behave like the PMDG and the real 737.

Same problem for me too, idle thrust (24% or so N1) and reasonable landing weight, flaps 40 and spoilers too, gear down, descendibg right on 3deg glideslope, plane wouldn't go below around 178 knots.

Mmmm, it really seems strange. I've just reinstalled the plane and have the same issue. In fact it's virtually impossible to slow the thing down at all in level flight. Even with 10,000lbs of fuel and the spoilers on it is so slow. As I said earlier 53 seconds in level flight to drop from 250Knts to 210. Maybe you guys are right and it is the same as the real thing, In which case no problem, but I would like to get some kind of confirmation. I will have to forward a ticket I guess.

Same problem for me too, idle thrust (24% or so N1) and reasonable landing weight, flaps 40 and spoilers too, gear down, descendibg right on 3deg glideslope, plane wouldn't go below around 178 knots.

did you change the IAS speed with the knob to Vref+5 ?

Ah OK, thanks for that. But hey, why does it take so long to slow this bird down. I have been flying the iFLY which is a pretty good likeness to the real thing and it's flight characteristcis, and I'd say with a similar scenario the iFLY would slow down about 3 or 4 times as quick!

And how do you know this exactly? Their flight model is actually not accurate, especially the deceleration rates. Check the Boeing FCOM1 and QRH performance charts if you don't believe me - we are within 5% of the real thing. The 737-800 is an *extremely* slippery airplane.All our real life crews signed off on this aspect - we had one of our tech team pilots directly compare it to a KLAX profile descent he'd just done earlier in the day in the real 800 - he said it was spot on.

Can you confirm that when you are on the ground with throttles closed that the plane just sits there without brakes? If the answer is no then you need to calibrate. Advance throttles to 24% & the aircraft should move slowly but gain speed gently, close throttles & aircraft should slow & stop albeit after a lengthy roll?