KR> Engineers

2011-02-05 Thread kr2coo...@comcast.net
Mark Langford wrote:  It took me about 2 seconds to bust out laughing...why would anybody specify the most expensive and laborious way to build this piece if the weight of the tube had a tolerance of more than double the minimum weight and thickness? Mark With you being the only exception

KR> corvair combustion chamber size

2011-02-05 Thread brooks townsend
> Mark Langford wrote > I'll build my next engine with a max of 9:1 compression ratio, and that's > with > optimal quench volume. Sub-optimal quench volumes require an even lower > compression ratio, in my opinion. > So, Mark, are you saying that even with the EIS that you have, you'd

KR> compression ratio and detonation

2011-02-05 Thread Mark Langford
Brooks Townsend wrote: >> So, Mark, are you saying that even with the EIS that you have, you'd go >> down to 9:1?? What if you had a less sophisticated monitering system... >> would you further reduce the c/r??? How much?? << Yep, I've done the takeoff-with-detonation thing way too many tim

KR> compression ratio and detonation

2011-02-05 Thread Glenn Martin
Mark Langford wrote: > I think Steve Bennett recommends CRs down in the lower and mid 8:1 range, > and that's probably because he's dealing with some lowest common denominator > folks who are on a budget and don't see the need for EGT or CHT > indications... > Mark. According to the dyno softwa

KR> compression ratio and detonation

2011-02-05 Thread Mark Langford
Glenn Martin wrote: >> Mark. According to the dyno software I downloaded the difference between HP at 8:1 and 9:1 in a 2180 was negligible. So what other considerations are there? << As I mentioned the other day, it's not a linear function, and not worth "eeking" out the last drop of power at th

KR> Confession

2011-02-05 Thread kr2coo...@comcast.net
Forgive me kr and Corvair netters for I have sinned. I have been seduced by the Goddess of Grumman who tempted me with a beautiful AA-1B which had a recent paint job (spring 2010) and new glass  but a wounded wing. The previous owner made a downwind landing on a 1400' grass strip and the wing

KR> Confession

2011-02-05 Thread Vaughan Thomas
What a confession - the sin of temptation. But on a serious note, any chance of securing one or two corvair core engines ? From Jack or some one else on KRnet ? Down under here in EnZed (New Zealand) Corvairs are like rocking horse shit -just dont exist in core engine form. Original cooling

KR> Confession

2011-02-05 Thread kr2coo...@comcast.net
Vaughan My cores have not been torn down and inspected. For shipping that far I would suggest that you go through William Wynne who has cores on the shelf, inspected and ready for rebuild. I'm sure ther e would be a significant shipping cost to NZ and would be a shame to get a core that may

KR> Confession

2011-02-05 Thread Vaughan Thomas
Jack Thanks for your prompt reply. Yes I have tried William but he apparrently only supplies on condition of receiving replacement cores. I have tried phoning & emailing but it appears he is too busy to be involved. I have even purchased the construction manual but it is of no use without an en

KR> Confession

2011-02-05 Thread Mark
I did a search for corvairs in NZ and found several... did you consider buying a car and salvaging the motor and parting out the rest to a corvair club in Australia/New Zealand? GM used to sell these things worldwide... just a thought. Mark W N952MW -Original Message- From: krnet-boun...@

KR> Confession

2011-02-05 Thread Mark
I did a search for corvairs in NZ and found several... did you consider buying a car and salvaging the motor and parting out the rest to a corvair club in Australia/New Zealand? GM used to sell these things worldwide... just a thought. Mark W N952MW -Original Message- From: krnet-boun...@