[![enter image description here](https://i.stack.imgur.com/bD9LM.png)](https://i.stack.imgur.com/bD9LM.png)[![enter image description here](https://i.stack.imgur.com/XFnGI.png)](https://i.stack.imgur.com/XFnGI.png)Hi People :) ok Thanks to Bruno's advise i have been able to move forward a lot with this project Thank you however i have hit another snag and i have tried various things in edit mode to try and do this but ot no avail so i am hoping someone can help me on this to :) as you can see in the picture i have attached there is a picture of what i am trying to copy ( starbug 1 ) and my blender model now as you can see in the first picture the engines round off at the back however my cylinders are round and squared off to go long ways so my question is how do i manipulate this shape to bend down as shown in the original starbug picture?

Many thanks

Simon[![enter image description here](https://i.stack.imgur.com/7PdMg.jpg)](https://i.stack.imgur.com/7PdMg.jpg)