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## Take off weight chart

• Posts: 167

### jukzizy created the topic: Take off weight chart

Refer to take off weight chart figure 5 (piper)
Given the following information:
Pressure Height: 3800 Ft
Surface: Long wet Grass
Slope : 1% diwn to west
Toda: 1500 M
Take off weight= 980 Kg
Find the maximum take off distance required?
I got 1070 metres
Sir can you please cross check my chart if it's right?

• Posts: 7

### Lee replied the topic: Take off weight chart

Check the wind. It is at 90° to the runway, so the headwind component is actually zero. Try it again with no wind.

• Posts: 167

### jukzizy replied the topic: Take off weight chart

jukzizy wrote: Refer to take off weight chart figure 5 (piper)
Given the following information:
Pressure Height: 3800 Ft
W/V: 07/25 KTS
Surface: Long wet Grass
Slope : 1% diwn to west
Toda: 1500 M
Take off weight= 980 Kg
Find the maximum take off distance required?
I got 1070 metres
Sir can you please cross check my chart if it's right?

• Posts: 167

### jukzizy replied the topic: Take off weight chart

sorry I missed to write w/v in which is 07/25kts..

• Posts: 168

### Carello replied the topic: Take off weight chart

How can you calculate anything without a runway direction?

You will need a runway and W/V to calculate the HW/TW for TO.

• Posts: 167

### jukzizy replied the topic: Take off weight chart

Sorry I forgot to write the run way in and wind direction

Rwy- 07/25

W/V 070 *M / 18 Kts

• John.Heddles
• Offline
• ATPL/consulting aero engineer
• Posts: 555

### John.Heddles replied the topic: Take off weight chart

This thread emphasises the need for putting all the information down at the start.

(a) presumably you meant for the question to say "minimum takeoff distance required", rather than maximum ?

(b) you have given us two different W/Vs

(c) the chart doesn't appear to match the data

Suggest you rework the plot and repost so we might be able to offer comments.

Engineering specialist in aircraft performance and weight control.

• Posts: 167

### jukzizy replied the topic: Take off weight chart

All right thank you sir

• John.Heddles
• Offline
• ATPL/consulting aero engineer
• Posts: 555

### John.Heddles replied the topic: Take off weight chart

We will await your revised chart ...

Engineering specialist in aircraft performance and weight control.