Thanks Greg, It's funny you should mention thread grinding after heat treat. A couple of days later I found reference to it in Machinerys Handbook. Apparently...
Hi Rick, The person to ask is Jack on that one. There aren't that many although in the next few years this should change. One fellow has a turn-key engine...
Here is some extracted data from communications to Sadler: "Sadler and the Gewalds began a worldwide search for an existing reliable four-stroke engine and...
Thanks for that bit of information. I have performed some research on this design and the crankshaft has 2 crankpins 180 deg apart (out-of-phase). This would...
Does anyone know if shop spliced Buna-N O-rings are reliable for static sealing such as the crankcase? I'm refering to the cyanoacrylate glue method of...
... Hey, T've spliced O-rings for years in both static and dy applications. Had one failure and fixed that by using a tef backup spacer. Cut the ends clean and...
Jim, I agree. We used them for years around the steel mill I used to work for, and if they're properly "assembled" to begin with there shouldn't be any...
... I would add that when you put the drop of glue on the cut end flick/ shake the surplus glue off. this will stop a hard track of glue down the joint area...
Thanks to all for the advice on the O-ring question. It just seemed to easy to be true. Thought it would require something more advanced like vulcanizing to...
We make our own splice O-rings all the time at sea on the ship and they work fine as long as the butt joints are cut and glued square and straight, and you...
Hello Jim - Sorry I'm coming in a bit late ... a few more tips: i) wrap the o-ring "cord" in the groove and cut the o-ring material about 1/4" longer. ii)...
I'm very glad to have asked the question! Such advice is invaluable because most people don't understand how critical it is for us to get things such as this...
BTW... Just purchased a female O-ring boss reamer for my dry sump pump. (Cuts SAE J514/ MS16142-R) When I'm done with it I'd be willing to lend it if someone...
The following HCIRadialbuilder poll is now closed. Here are the final results: POLL QUESTION: What point are you at in your radial engine project? Voter...
HCIRadialbuilder@yaho...
May 18, 2004 12:48 am
421
The following HCIRadialbuilder poll is now closed. Here are the final results: POLL QUESTION: How many of us have purchased plans from HCI? If so which plans?...
HCIRadialbuilder@yaho...
May 18, 2004 12:55 am
422
On the HCI website specified data is 115 lbs. What is real one?...
Howdy Everybody, I'm Jon and I just joined a few days ago. I've been researching engine choices for a CH701STOL, and it looks like this five cylinder would fit...
HI Jon I love the sound also Joe planeflyer21 <planeflyer21@...> wrote: Howdy Everybody, I'm Jon and I just joined a few days ago. I've been researching ...
Thanks a lot! Could somebody to be so kind and tell me what is the endurance is possible with 5 Gal tank on this engine? This one is almost 3 litres (2.9)...
Howdy-I am in the final stages and taxing, of building a plans built, CH-701 with a three cylinder Suzuki engine. The Suzuki engine is equiped with a turbo ...
I see no one is willing to reply... Guys I am asking my questions not for a just sheap shots. I do my design of the WW1 replica and it can not be fitted just...
Sometimes questions on boards like these don't get answered because people can't devote thier lives to checking their board every day. Beleive me, it's...
i belive the total install weight is around 127# plus prop... i am sorry i cant remember where i heard that number... but its the weight i came up with when i...
... Magnesium is hard to machine, because the shavings are very flammable. I haven't done the calculations, but possibly the most obvious way to shave 10+...
WOW!!!! I did not take into account a Titanium!!! I have an access to this metal and machining. Just looked right now on the picture with parts for oil...
Titanium galls when it mates with steel. Most titanium alloys are notch sensitive which means that a way of mounting bearings would have to be devised or a...
... I don't see that is an issue, since it is riding in ball bearings! ... Yes perhaps larger radius fillets are called for.... Jim, did you have an estimate...
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