N Scale Tight Curve into 4% Grade Incline

Live and learn! ...That's always OUR motto/excuse, anyway!
Be careful curving into an incline! All of physics goes against your locomotives!
But here's what we did to help out our locomotives a bit. But we still get some locomotive slippage when hauling around 6 or more cars, depending on the cars and locomotive being used.

Small N scale layout (4' x 6'5")
Kato Unitrack
DC power

Woodland Scenics Plaster Cloth
Woodland Scenics Foam Putty
Woodland Scenics 4% Inclines
Woodland Scenics 1" Risers under the 4% Inclines
1-2-3 Machinist Blocks

Locomotives seen in this video:
Minnesota Commercial Atlas Master Line Dash 8-40B
Amtrak P42 & Superliner (from Kato Starter Set)