BE438569A - - Google Patents
Info
- Publication number
- BE438569A BE438569A BE438569DA BE438569A BE 438569 A BE438569 A BE 438569A BE 438569D A BE438569D A BE 438569DA BE 438569 A BE438569 A BE 438569A
- Authority
- BE
- Belgium
- Prior art keywords
- blade
- propeller
- pitch
- rotation
- moments
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 230000002301 combined effect Effects 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims 13
- 230000003068 static effect Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000001133 acceleration Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438569A true BE438569A (de) |
Family
ID=96747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438569D BE438569A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE438569A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2996587A1 (fr) * | 2012-10-10 | 2014-04-11 | Snecma | Helice comportant un systeme de contrepoids pourvu d'un canal d'ecoulement d'air |
-
0
- BE BE438569D patent/BE438569A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2996587A1 (fr) * | 2012-10-10 | 2014-04-11 | Snecma | Helice comportant un systeme de contrepoids pourvu d'un canal d'ecoulement d'air |
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