PLT DISAGREES WITH CTLR ABOUT ENTRY INTO CLASS B AIRSPACE. HARSH WORDS EXCHANGED. AFTER ARR; PLT DISCOVERS HE IS IN ERROR.

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DEPARTED SKY PARK (5 MI NNE OF SLC). TURNED E XWIND E OF I-15; WHICH IS OUT OF CLASS B AIRSPACE. THEN CONTACTED SLC TWR TO ASK FOR VECTORS THROUGH CLASS B AIRSPACE TO TVA. TWR SAID 'STAND BY.' I TURNED S AND A MOMENT LATER TWR SAID; 'EXPERIMENTAL ACFT X WHAT IS YOUR POS?' I SAID; 'WELL E OF I-15 ABEAM OF TWR.' TWR SAID; 'EXPERIMENTAL ACFT X YOU ARE IN CLASS B.' I SAID TO TWR; 'EXPERIMENTAL ACFT X; I AM NOT IN CLASS B.' TWR SAID; 'YOU ARE IN CLASS B' AND I SAID ONCE AGAIN; 'I AM WELL E OF I-15 AND NOT IN CLASS B.' TWR 'DO YOU HAVE PENCIL AND PAPER?' I SAID 'NO.' HE SAID; 'EXPERIMENTAL; STAND BY.' I TURNED E AND MONITORED TWR FOR 10 MINS. TWR NEVER GOT BACK TO ME. I WENT ON TO HABER CITY; LANDED AND DOUBLECHKED MY CHARTS. THERE IS A BUBBLE IN THE CLASS B E OF THE FIELD. IT IS POSSIBLE THAT I CLIPPED THE E BOUNDARY OF CLASS B. THIS BUBBLE IN CLASS B IS A TRAP. EVERY PLACE ELSE YOU ARE CLR OF CLASS B IF YOU STAY E OF I-15 EXCEPT HERE. THE CTLR IN THIS SIT WAS NOT HELPFUL IF IN FACT I HAD PENETRATED CLASS B; AND HE NEVER DID GIVE ME VECTORS OR GET BACK TO ME. IF ATC IS TRULY CONCERNED ABOUT SAFETY; THEY SHOULD STOP WORRYING ABOUT PENCIL AND PAPER AND GIVE VECTORS AND GET OUT OF THE 'GOTCHA' MODE.