Todd - what do you mean by no DIMENSIONS? Its true that some of the lesser known brands are not as good as the KNOWN brands but it does not mean that they are not worth buying. Lesser brands might have instructions that are not as clear, i.e. detailed step by step instructions but it does not mean its that hard to build. Best take it to a friend who if very familiar with building and they can better assess it.

Jumping from a 15 sized trainer to the Chippie is not advisable but then who knows ... I know a friend who went from SIM to a Kyosho F16 ducted fan, it survived well. If you are a really good/competent flier on that little trianer you may have a chance. May ...