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  1. Replies
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    I'm always working on the pilot weight reduction!...

    I'm always working on the pilot weight reduction!

    It was mentioned in your first post; the battery. EarthX certified battery is 5.4 lbs. That's usually a great weight reduction.
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    I do not own a Super Cub, but I would say that's...

    I do not own a Super Cub, but I would say that's pretty good for a OAT of -35C!

    On my plane (CC EX-2 ground looping legacy death gear plane) with the 340ci, it has a massive oil cooler. With it...
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    Don't know if this info will help, built a CC...

    Don't know if this info will help, built a CC EX-2 with full Dynon. My magnetometer is in the L wing (aft of the fuel tank away from wires and cables) to have a magnetically benign location and the...
  4. That's insane! No way I could think that fast. I...

    That's insane! No way I could think that fast. I guess that's why I fly a cub.
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    What Gordon and Perry said. IMO, I think Perry...

    What Gordon and Perry said.

    IMO, I think Perry sums (no pun intended) it up best; light planes will have better 'cub' performance.
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    I cannot explain the complex load dynamics of a...

    I cannot explain the complex load dynamics of a truss; tension, twist, bending, etc..


    But you are correct, without a pressure gradient, hoop stress is not a factor. I guess the place where it...
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    Not to be pedantic or a buger, but cross...

    Not to be pedantic or a buger, but cross sectional area has no effect on Ultimate tensile strength of the material nor it's yield point where permanent deformation occurs. Ultimate and yield are...
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    Thanks. Actually that sounds like fun!

    Thanks. Actually that sounds like fun!
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    I would like to ask, since never have landed on...

    I would like to ask, since never have landed on ice roads; how is directional stability after you loose rudder authority on landing and again on take off before the rudder kicks in?
  10. Just slight thread drift going on here. My...

    Just slight thread drift going on here.

    My point is; if the greenies get in power, there might be extra costs associated with our flying. Out of the box thinking: how about a new requirement of...
  11. You are correct. We see it when they try to close...

    You are correct. We see it when they try to close airports. Insurance is getting more expensive.

    I would bet most non aviation people would cringe if they knew that there are armature built planes...
  12. Automotive gas is an option for some, but those...

    Automotive gas is an option for some, but those of us running hopped up engines, we are stuck with 100LL.
  13. It's only a matter of time before they realize GA is still using leaded fuel

    First emissions standards set for commercial aircraft by the EPA.

    UPDATE 2-U.S. EPA Finalizing First-ever Airplane Emissions Rules | Newsmax.com
  14. Replies
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    Follow up: flew for a hour, CHT's now within 20F...

    Follow up: flew for a hour, CHT's now within 20F of each other. Tape on #1 cylinder is 1.5 inches. Seems like all is better now.

    Thanks for the great information and discussion.

    And I agree,...
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    I agree with all. When I had a C172 (O-320)...

    I agree with all.


    When I had a C172 (O-320) , with just oil temp and pressure, that thing ran past TBO with ok compression. Who knew what was going on up front under the hood (cowl).

    Now,...
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    Great, now I have a plane with a tweaked up...

    Great, now I have a plane with a tweaked up engine and legacy death gear! 8)
  17. Replies
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    Thanks, I'll look into that. I have already...

    Thanks, I'll look into that. I have already completed the oil cooler door mod that can be infinitely adjustable and it works great in the summer, winter it remains taped closed.

    With respect to...
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    The engine is built for CC by Aerosport. CC...

    The engine is built for CC by Aerosport. CC forums have some information and the consensus is that the engines run cold and a common fix is to tape off the front cylinders. I did not say I have...
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    The plane is a CC EX-2 EAB. CC set has a overly...

    The plane is a CC EX-2 EAB. CC set has a overly large oil cooler and the plenum is very effective (all their design, not a stock/off the shelf oil cooler). Which is great for summer flying in the...
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    Winter; have climbed hard to increase temps, but...

    Winter; have climbed hard to increase temps, but have not done an extended climb. Summer; no, back cylinders will go over 400F (DA about 2000F above FL and OAT 85F).
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    So during warm weather, I'm 1300F+ on EGT, and...

    So during warm weather, I'm 1300F+ on EGT, and 380 - 400F CHT.

    During cold weather it's a whole different situation. Temps are as stated above. I have adjusted, played with the mixture to get the...
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    I do lean but ROP not LOP. Cruise temps (OAT 32F)...

    I do lean but ROP not LOP. Cruise temps (OAT 32F) are as in post #1.
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    Thanks all. I have heard of 'winter kits' and...

    Thanks all. I have heard of 'winter kits' and will check into that. I can do a brief hard climb and bump #1 to 320F but keeping it there can be difficult.

    While I agree in theory about creating a...
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    I have checked the operators manual AND engine...

    I have checked the operators manual AND engine manual. Can't find any CHT/EGT information other than oil temp.

    I'll tape off some of cylinder #1 and go from there.
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    What are the minimums for CHT's?

    It's that time of year. Engine is a 340 with a plenum. OAT's now around freezing (F) and cylinder #1 struggles to get to 300F, others are 320 to 340's, EGT are around 1280F. I know this engine runs...
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