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Search took 0.00 seconds. Search: Posts Made By: 40 Deluxe
Forum: Model A (1928-31) 08-31-2021, 03:52 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Wow! It's hard to believe that any engine builder does not know about bearing crush! This is about as basic as it gets, and insert bearings have been around far longer than any current engine...
Forum: Model A (1928-31) 03-09-2021, 02:09 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Regarding a foundry, don't you think Terry has checked high and low for one? Sometimes you just have to face reality!
Forum: Model A (1928-31) 03-09-2021, 02:04 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

That would be simple: Just engineer and install a balance shaft, like modern four bangers have. With some (major) machining you might be able to adapt one from a modern engine by changing the size...
Forum: Model A (1928-31) 05-29-2020, 09:40 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Thanks, Terry. The question remains, however: How long did the original thrust surface last, what with having to pull the airplane through the sky?
Forum: Model A (1928-31) 05-25-2020, 07:59 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Terry,
Interesting comments on attaching the prop directly to the crankshaft! Some years ago I ran across an article from the 1930's that quoted Mr. Pietenpol as saying it was fine to mount the...
Forum: Model A (1928-31) 07-21-2019, 07:25 PM
Replies: 531
Views: 264,266
Posted By 40 Deluxe
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Agreed, but how many in the hobby will 'put their money where their mouth is"? A lot of 'I like it', but how many "I WILL buy it"s out there??
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