Full details of the planning application are available here.
The application contains comments and a photograph of a view of the proposed turbines from the picnic benches in Kinbuck. On pages 64, 65 and 87 they describe the magnitude of change to the visual impact as substantial/moderate, but the significance of the effect as moderate.
To object to the application e-mail planning@stirling.gov.uk as soon as possible quoting the application reference,
14/00465/FUL | Application for planning permission for two wind turbines at 42m to blade tip (30m hub height), associated meter housing and crane pads | Land Some 600 Metres South West Of Waterside Farm Auchinlay Road Dunblane