Ah!
SWIM has two blenders, 1 is a really nice glass blender with space as you described but SWIM does not want to break it, SWIMs better half will linch SWIM if SWIM breaks it.
the other one just isn't up to the job !
maybe a trip to the hardware store is in order ...
I am certifiably insane, as such all posts written by me should be regarded as utter nonsense or attempts to get attention in fact everything I write here is a lie !
I hope in some way, my posts and replies may of helped you, I hope you like what I have said here if not feel free to send me a none flame PM