What is the limit of non-recourse loans (Self-Directed IRA)?

[Robbie Pratt]

All -

Is there a limit to the number of non-recourse loans one can obtain when financing properties in Self-Directed IRA? Also, do LTV ratio's tend to get worse as the investor takes out more loans? (i.e 30% down on first property, 40% down on 3rd...etc)

Thanks in advance!