Some of my upper oak boughs are the size of medium sized trees, typically 45 cm wide and 30 ft long. They're obviously not as straight as the butts, but sizeable enough to be cut into something useful like shorter beams or 2 M boards or possibly arches.
Does anyone know if the heartwood from upper boughs is as sturdy and useful as butt-wood on a smaller scale, or whether they only have limited uses such as firewood? Is there a market or niche use for big chunky bits of curved oak ? The total volume of the upper boughs must be as much as the butts, so there's a lot of it and well worth trying to find uses for it other than burning. Its potentially a lot of value if I can find uses for smaller short or bent bits.