Questions tagged [diamond-da40]

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3
votes
3answers
168 views

Does a diesel piston engine's power decrease more slowly with altitude than with an AVGAS engine?

I have a power-altitude curve of the Austro Engine AE-300 provided by manufacturer and I don't know the reason why power decrease lower than other engines. The curve is in the end of the pdf in this ...
-1
votes
1answer
142 views

DA40 avgas leakage on filling

New owner of a 2012 DA40 50 gal fuel capacity.(Also new to aviation!) Recently was having the right wing filled from about 14 gal and lineman stopped within 4 gal when he noted a puddle on ground. ...
0
votes
1answer
35 views

Why oil pressure decreases when coarsen the pitch during run-up?

During run-up checks, we set the Throttle such a manner that RPM IS 2000 then we do run-up checks Magneto check 2.prop check Notice RPM drop MAP increases Oil pressure decreases Why does MAP ...
2
votes
2answers
117 views

What is vapor lock?

Vapor lock occurs in piston engines especially during summers.. before starting engine we prime it and the engine starts but as soon as we reduce it to near idle or just above idle, engine tends to ...
0
votes
1answer
90 views

Why does RPM increase when you lean the mixture in constant speed propeller engine? [duplicate]

In constant speed propeller aircraft like Diamond star DA-40, during run-up checks the AFM mentioned to increase throttle to increase RPM to 2000 and then do magneto check then rpm check then mixture ...
8
votes
2answers
625 views

During an engine failure in Diamond DA-40, should the prop lever be at fine pitch or coarse pitch?

Chapter 3 of AFM doesn't mention anything about prop lever setting during engine restarting for both windmilling as well as stationary propeller
6
votes
3answers
275 views

Why do we turn on fuel pump before descent in Diamond DA40?

The checklist procedure is: Electric fuel pump ............. on Mixture ............. rich MAP ............. 15 in of Hg RPM ............. 2300 Why the AFM says to turn on fuel pump during descent ...
7
votes
1answer
670 views

Why do we calculate 25% more of TODR?

In general aviation aircraft, we are being told to calculate TODR (takeoff distance required) using AFM and TODR x 1.25. Why do we need the value with 25% added?
15
votes
6answers
6k views

Why aren't takeoff flaps used all the way up to cruise altitude?

In general aviation aircraft such as Diamond star DA-40, flaps to take-off are used until 500ft AGL and speed before retracting flaps is Vy (best ROC speed)-67kts and after retracting flaps is 80kts. ...
6
votes
2answers
384 views

What are these things on the horizontal stabilizer on a Diamond DA40?

What are these things encircled on the horizontal stabilizer on the Diamond DA40? And why are they used from an aerodynamic point of view? Source: grupooneair.com
10
votes
4answers
2k views

How does the DA 40 NG automatically control the mixture, pitch and power by just providing one throttle?

I'm a student pilot and here at my school we have the older gen DA40s which have individual lever for mixture, pitch and power. I was looking at this video of the DA40 NG, and got quite curious as ...
4
votes
1answer
335 views

Why do the Diamond DA-42 and DA-62 have a minimum fuel temperature requirement?

On the turbo diesel DA-42 and DA-62 aircraft there exists a minimum fuel temperature limitation where you may not start or operate the aircraft below that. Does anybody know why this is? It seems ...
1
vote
3answers
1k views

DA40 fuselage static ports / G1000 not in AFM

I’m a flight instructor who just switched from instructing in 172’s to flying the Diamond DA40 and am confused about a few things. Our DA40 has two static ports, one on either side of the fuselage. ...
0
votes
1answer
115 views

DA 40 NG - Diesel option OAM 40-370 [closed]

Diamond DA-40 NG Manual did say that to use Auto Diesel (EN590), OAM 40-370 must be installed. Does anybody know or have experience on this OAM 40-370 requirement? I cannot find this document on the ...
0
votes
1answer
184 views

Is right rudder always needed during go-around/touch and go with a Diamond DA-40?

Is application of right pedal always necessary in parallel with advancing power lever in diamond aircraft (DA-40) during go-around/touch and go?
1
vote
3answers
2k views

What is the name and purpose of this part on the flap at the DA40?

There is a part on DA40's and also DA42's flap. I cannot find the technical document and I couldn't decide what is the purpose of that part. Is it a mass balance part or what? You may see the part at ...
9
votes
1answer
834 views

What is considered "high altitude"?

The AFM for DA40 states in 4A.3.9 CRUISE checklist: Electrical fuel pump . . . . . . . . . . . . . . . . . . . ON at high altitudes CAUTION Operation at high altitudes with the electrical ...