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Lancaster: Propeller type; and an attachment

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  • Guest
    #1

    Lancaster: Propeller type; and an attachment

    Propellers

    My Revell Dambusters Lancaster offers two types of propeller as shown here, one curved and pointed at each end, and one wider with rounded tips. My photos of original Lancs show both.

    Which is correct please?

    and why the different types?

    [ATTACH]63568.vB[/ATTACH]

    Attachment

    The kit comes with various attachments for the control surfaces, fuselage etc. One is shown in this photo of the model. I stuck it on where the manual seemed to say, on the starboard side, but it was not clear where and I wonder whether it is correctly placed.

    Where should it go please,

    and what is it for?

    How to detach it (poly cement used)? Thanks.

    [ATTACH]63580.vB[/ATTACH]

    [ATTACH]64888.IPB[/ATTACH]

    [ATTACH]64889.IPB[/ATTACH]



    Tags: None
    • flyjoe180
      SMF Supporters
      • Jan 2012
      • 12390
      • Joe
      • Earth
      #2
      Earlier Lancasters were equipped with narrow-chord propeller blades. Later models were fitted with wide-chord blades.

      Wide-chord blades increase power absorption and propeller solidity. Propeller solidity can be increased by an increase the length of blades, an increase their chord/width, or adding more blades. You can also change the shape of the blades, or angle of the blades in the case of a constant speed unit. If you look at an example of a classic propeller driven aeroplane such as the Spitfire for example, which developed with increasingly more powerful engines, you would see the early ones equipped with two or three bladed propellers, and the last ones with six, or even two rows of blades (contra-rotating propellers).

      I'm no Lancaster expert but it would not be unreasonable to expect that the engines increased in power with later marks, requiring better power absorption through the propellers.

        Comment

        • flyjoe180
          SMF Supporters
          • Jan 2012
          • 12390
          • Joe
          • Earth
          #3
          As for your protrusion, I'm not positive what it is, but if it said starboard, that is the right hand side. The photo indicates that you have placed it on the left (port) side of the airframe.

          It could be a 'window' or flare chute. The flare chute was aft of the ventral gun location and by the entrance door.

            Comment

            • Guest
              #4
              Steve if you want to know anything about a Lancaster Bomber then you are unlikeley to get better than this.

              Lancaster-Archive Forum (LAF) • Index page

              Whewn I built my Wellington despite not being a Lancaster I got so much info from some of their members. Loads of pictures of completed Lancasters as they have a special section for model makers mainly Lancaster of course. Some of their members flew the Lancaster so they have first class info. On the Wellington one member gave me the difference betwqeen marks of the Wellington.

              Nice people & very well run Forum just as this forum.

              Laurie

                Comment

                • Guest
                  #5
                  Steve simple answer 617 Sqn Lancasters taking part in Operation Chasties had narrow chord props(the thin ones).This is from photographic and documented evidence. Paddle bladed props had started to be appear on Lancasters from early 43,The Chastise Lancasters were built during this time frame,I know that goes against what I just said but there is simply no easy hard and fast rule you can follow, you simply have to use photographic evidence. It was even possible to see a Lancaster with a mix of paddle and narrow bladed props. You will see suggested that paddle blades started to appear with the Packard built Merlins on theB IIIs but this was not the case. Although Joe's comments are in general true, there were benefits in using a narrow blade prop,which I assume is why they were fitted to the Chastise Lancasters.

                  Malcolm

                    Comment

                    • Guest
                      #6
                      Great shame just found the Lancaster forum has closed. Lack of moderators & help. Plus the need to change software |& other technical issues.

                      Real shame & a loss to the Lancaster fraternity.

                      Laurie

                        Comment

                        • Guest
                          #7
                          Originally posted by \
                          Steve if you want to know anything about a Lancaster Bomber then you are unlikeley to get better than this.Lancaster-Archive Forum (LAF) • Index page

                          Laurie
                          Wow! What an archive! Unfortunately, it was closed down and archived 5 days ago due to lack of money and maintenance support. I have downloaded a huge amount of material as a web archive just in case it disappears into the ether. There is one photo of a Lancaster with the "Upkeep" bouncing bomb slung underneath but unfortunately the props are not shown. The very many pics of Lancs showed both types of blade but without a date. However, a very valuable resource. Thanks again.

                            Comment

                            • Guest
                              #8
                              Originally posted by \
                              Steve simple answer 617 Sqn Lancasters taking part in Operation Chasties had narrow chord props(the thin ones).......Malcolm
                              Thanks. I will go for the narrow chord ones.

                                Comment

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