[Dan]

Originally Posted by Juho L

1. Noise to max
2. Low frequency lowpass with rather fast decay, medium sustain and slow time decay.
3. Add saturation and other effects for extra grittiness if needed.
4. If it still doesn't sound righ you could try to make a totally dissonant low noise by FM and ringmod.
5. Add lots of reverb.

Thanks! That got me on the right track!