Thought I would give an update here. Maiden is in the books but it didn't go as expected. You can watch it here Linky! Thank you to Lonnie for all the travel, time and commitment to get these videos for me.
Needless to say it was quite exciting. I want to make a point that I know for certain the CG is correct. My main problem is power or lack there off. Long story short I had two problems: 1 - the wheels I was using were just too rubbery and they were rubbing the struts (acting like brakes on the ground). This was not visible from just spinning the wheels by hand, but I could visibly see where the paint was being rubbed off of the struts. This has been rectified with some harder wheels. 2 - in order to keep the engine and muffler inside the cowling I purchased a B&B muffler for the DLE-85. This muffler was restricting the engine and I was not getting enough RPM's. I'm not even sure why B&B even sells this muffler for this engine. I have a Bisson muffler for another DLE-85 Z P-40 that I am building so I decided to mount it to the P-51 to see if it would fit. It actually fits except for the can is too long on one side. With lead times being what they are for RC nowadays, I have decided to build my own muffler and have a friend of mine weld it up for me. Below I am going to start documenting that muffler build and progress to getting the bird back in the air.
For now the P-51 is grounded until I can get engine performance (SPEED! )
In these photos you can see the muffler fits but needs some modification to fit within the cowling and deflect exhaust properly.
In case I were the one doing the welding, I went with a light gauge steel. Luckily I know a guy who does repair welding for a living and he is going to weld it for me.
Using the Bisson muffler as a guide, and the modifications I need to make, I almost have the new muffler parted out.
There is going to be a weight difference here so after I get this muffler mounted and I'm satisfied I can get max engine performance, I will have to rebalance the plane.
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