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Posted

I'm trying to figure out the max take off weight for a dry take off. I've been experimenting but can seem to climb out without afterburner under most circumstances.

Posted (edited)

If I'm reading the charts correctly, MTOW without AB should be around 15500kg at ISA and ISA+10. At ISA -15 and ISA-30 it's around 16000kg.

A fully fueled jet weighs about 15235kg, a fully fueled one with a tank is 16430kg.

 

Either that's the MTOW, or they just didn't bother calculating higher weights.

 

Source: AJ37 SFI Del3

2CEgnEq.png

Edited by MYSE1234

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Posted
If I'm reading the charts correctly, MTOW should be around 15500kg at ISA and ISA+10. At ISA -15 and ISA-30 it's around 16000kg.

A fully fueled jet weighs about 15235kg, a fully fueled one with a tank is 16430kg.

 

Either that's the MTOW, or they just didn't bother calculating higher weights.

 

Source: AJ37 SFI Del3

2CEgnEq.png

 

My interpretation of the charts are an MTOW close to 18500kg since that's the common higher limit for max zon 2/3 and since MTOW is a structural limit not really related to power output. The 15500/16000 limit for max släkt (max with no afterburner) I would guess only being procedural, taking too long (both time and space) to reach M0.55, and maybe demanding too long runways (I have a feeling they had some demands to be able to take off from runways down to a certain length, taking things like the road bases in consideration and all). So, if my interpretation (=guesswork) is correct, nothing really stops you from taking off with >15500kg and max släkt, unless too short runway.

It's interesting that max zon 1 isn't included in the charts though.

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Posted

I've had a lot of trouble getting over the 300-400kph hump climbing out at mil power even with what I consider to be a relatively like load (no center tank and rb75x4) Once the plane gets to 400-450kph and the AOA gets knocked down life is good, but even at sea level it's just felt anemic while trying to climb out.

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