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Search: Posts Made By: Nashpdman
Forum: Traditional Aircraft Engines 09-28-2022, 03:19 PM
Replies: 34
Views: 5,810
Posted By Nashpdman
Opinion please. Building the narrow deck IO-540....

Opinion please. Building the narrow deck IO-540. Do you replace the cylinder hold down (nuts) fasteners? I'd like to hear from the folks that have built multiple engines. Have you experienced any...
Forum: Traditional Aircraft Engines 06-01-2022, 08:31 PM
Replies: 34
Views: 5,810
Posted By Nashpdman
Talked to Divco today, they were a great help and...

Talked to Divco today, they were a great help and great source of information. They allowed me to send them some pictures, apparently this case already has the o-ring mod. He said it was good that...
Forum: Traditional Aircraft Engines 05-31-2022, 08:18 PM
Replies: 34
Views: 5,810
Posted By Nashpdman
More build pics

Split the case today. Visually everything looked good IMO. What do y'all think about the case, fretting or just stains? I'm sending it Divco for overhaul but though I'd see what the thoughts were.
Forum: Traditional Aircraft Engines 05-27-2022, 09:41 PM
Replies: 34
Views: 5,810
Posted By Nashpdman
Built a valve spring compressor today

Built a compressor today. Tried to leave plenty of space around the stem to get the keepers out, I think I succeeded. Seems to work well. I didn't have time to make anything for the cylinder to sit...
Forum: Traditional Aircraft Engines 05-22-2022, 10:15 AM
Replies: 34
Views: 5,810
Posted By Nashpdman
More disassembly pics

More pics, just because. Everything so far looks great, no visible damage that I have found. Cylinder (chrome) appear to be in good shape. I'm still of the opinion, these engines are simple. The gear...
Forum: Traditional Aircraft Engines 05-20-2022, 07:31 PM
Replies: 34
Views: 5,810
Posted By Nashpdman
Cleaning question

Is it approved or accepted to media blast the outside of the cylinders? I want to prep them for alondine and paint. I assume "walnut" shell would be the appropriate media?
Forum: Traditional Aircraft Engines 05-09-2022, 11:05 AM
Replies: 34
Views: 5,810
Posted By Nashpdman
Pistons you say? See the pics, these are what's...

Pistons you say? See the pics, these are what's in the engine now. Not sure I need the valve covers.
Forum: Traditional Aircraft Engines 05-09-2022, 10:59 AM
Replies: 34
Views: 5,810
Posted By Nashpdman
Your "lawn mower" engine is spot on, these things...

Your "lawn mower" engine is spot on, these things are simple! I guess that's why we're still using them. Simple, reliable, heavy. I'll convert the fear aspect into respect and give due diligence. I...
Forum: Traditional Aircraft Engines 05-09-2022, 09:48 AM
Replies: 34
Views: 5,810
Posted By Nashpdman
RV10 engine build

"Given that you are going to be electrically dependent, I would rethink the use of an automotive alternator. I think a better choice would be one (preferably two) B&C externally regulated...
Forum: Traditional Aircraft Engines 05-08-2022, 11:16 AM
Replies: 34
Views: 5,810
Posted By Nashpdman
RV10 engine build

I bought a IO-540-J4A5 narrow deck engine for my RV10 project. The engine was turbo charged (8.5:1 compression) in it former application but will run normally aspirated in the 10. The engine was a...
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