I've finally gotten around to looking closely at the R-220 engine. Up till now I've been working on completing stage 2 of the 2 planes I am building from...
Well this is it lurking on the side line has come too a end with the arrivial of my plans from HCI I now have alot of diggesting to do and where to start. I...
Hi Tex, Deciding on castings or a kit depends on your need for a sense of adventure and your timetable. If you want to finish in under a year or two then get...
If you use castings there is always the danger that after you have invested time and money in any one particular piece you will uncover a hidden flaw or void...
I want to restate what I said on my previous Post. If you do your own homemade castings you may find casting faults and voids inside. If you make your own...
I have a set of HCI castings. I saw a tiny bit of porosity on one of the peices but it is not anything to worry about. They are just little air pockets...
G'day to all we are going too start making my first part, is building the master and link rods but have come to a small brick wall and it's 2024 T4 alumin. so...
I'm using 7075T6 for mine. The properties of 2024 and 7075 are close enough. You might want to check out the strength at elevated temperature though. I had to...
Just thought I would try to add some help to this discussion.... Mil hndbk 5 (materials bible for aircraft alloys....) is now called MMPDS-01 it is accessable...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the HCIRadialbuilder group. File : /Sub...
HCIRadialbuilder@yaho...
Mar 6, 2005 5:48 pm
565
Well here we go the start of the sub heads as you can see in the file section name Luke's stuff I have uploaded some pictures of whats happening here, picture...
There is no such filename in the Files section HCIRadialbuilder@yahoogroups.com wrote: Hello, This email message is a notification to let you know that a file...
Well thanks but what you are doing in foundary work is a dream here and is something that is in the works here just gotta find me some refractory cemment....
The Dayton, Ohio WW1 airshow is scheduled for September 30 to October 2, 2005. They only hold this show every other year. This is probably the premiere event...
We are going to Dayton the Monday after Easter. I would be glad to have a look around to see what is avalible. I would even look for a group rate if enough...
Been awhile but were back at milling out the rest of the head first we had to finish cracking them in two pieces next was to mill out the underneath of the...
Hi, This is my first time writing into the group. I am very interested in the HCI but have a couple of questions that have probably been answered before. How...
M14 is able to work for ages non stop, but you can not say that for HCI. M14 fitted in thousands of aircraft but HCI can be counted on the fingers jadams37...
Radial engines have some real advantages, and power to weight ratio is one of them. There were tens of thousands of radials used in WW2 and they had...
Hello Rob - not to start an argument, but if you check, you will find that hp/displacement is higher with water cooling, while hp/weight is fairly constant....
Edi, I have built the same list myself, and found the same thing. I started to post this last night, but nited that Roberts post was a radial/non radial...
Hello Charles - all true - as a compact package only the rotary engines were better. A year or so back I was teasing the grey matter with trying to arrange a...
Hello Rob - not to start an argument, but if you check, you will find that hp/displacement is higher with water cooling, while hp/weight is fairly constant....
To answer the question that began this thread I came across an SAE article written in the 1930's. It can be found in our "files" section under RADequation and...
Hi all -- I have received vol 1 and 2 of the Alternate engines manuals as a gift and I already have them. These are unopened and full of articles and...
http://autos.groups.yahoo.com/group/RPMMOTORS66/ <--- this is a great place for all your custom needs all brought together in one site please feel free to post...
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