Need a quick and to the point answer on this one

[Gareth Nelson]

I have the following:
A private key (or several)
A bitcoin address I want to send funds to
No blockchain

How can I create a transaction which I can then transmit into the network that will send funds from the private keys to the specified address with the following constraints:

No reliance on third-party services
No bitcoind

Is this even possible or not?

I suspect it to be impossible without knowing the previous input transaction for the provided private key, so what is the simplest way to find those input transactions rapidly?

If I remove the "no bitcoind" constraint, is there a simple way to do this without importing the private key into the client wallet?

[ineededausername]

It really is impossible without access to a blockchain... you're right; you wouldn't know the inputs.

As for the rest, I'm not enough of an expert to tell you.

[genjix]

yeah its called a flyweight client,
https://bitcointalk.org/index.php?topic=50721.0