Steve, As Barry said, they are all different, because they are KRs. There was a time when W&B was not one of the main topics of discussion. Then along came Jim Faughn who made everyone keenly aware of how much difference, getting it right would make in the way your plane will fly. He, on the advise of another builder, added 2" spacers on the front of his engine mount. That was a "guess", and for him, it worked out. Having that information, I decided to do a calculation to try to figure out where the best place was, to put the engine. So, I conducted the W & B process that you can see at:
http://krbuilder.org/WeightAndBalance/index.html Read that, and then if you will click on the "Many W&B Sheets to choose from at the top of the page, you will get a list of W & B spread sheets from N64KR and other builders. There is one listed there that was done for engine placement". Once you have the numbers, you can play with them, and see what affect, moving the engine, will have on the final W & B of your plane. Now, a word of caution. It is important to know that your scales are fairly accurate, or you may get mis-led. However, this exercise did tell me that the engine needed to be moved forward and I spaced it out 2", which has worked out well. 2" was the maximum, that I was willing to add. If it had to be more than that, I would have had to get a new mount, which I will do one day, anyway. The added benefit of the spacers, was that it gave me much needed room between the firewall and the engine. Having a nose gear, you may not need to move as far forward with the engine, if any at all. My engine is a GPASC 2180, so is probably close to the same weight as yours. See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2007 - KR Gathering There is a time for building and a time for FLYING and the time for Flying has begun. Daniel R. Heath - Lexington, SC -------Original Message------- I'm at the point of working on my cowling and have to make a decision on my engine placement. Thanks, Steve Bray _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html
