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Search: Posts Made By: Teal
Forum: Alternative Engines 11-29-2022, 01:31 PM
Replies: 75
Views: 17,796
Posted By Teal
currently 67"

currently 67"
Forum: RV-9/9A 11-19-2022, 10:38 PM
Replies: 13
Views: 1,629
Posted By Teal
My engine pulls air from one of the main air...

My engine pulls air from one of the main air inlets. Then the turbo charger compresses and sends to the intercooler
Forum: RV-9/9A 11-19-2022, 03:34 PM
Replies: 13
Views: 1,629
Posted By Teal
I read somewhere that significant speed gains...

I read somewhere that significant speed gains were made by using the injected engine and removing the snorkel.
Forum: RV-9/9A 11-19-2022, 03:32 PM
Replies: 13
Views: 1,629
Posted By Teal
The inlet is not covered. currently it is feeding...

The inlet is not covered. currently it is feeding oil cooler
Forum: RV-9/9A 11-19-2022, 03:32 PM
Replies: 13
Views: 1,629
Posted By Teal
Yamaha sidewinder

Yamaha sidewinder
Forum: RV-9/9A 10-25-2022, 10:55 AM
Replies: 13
Views: 1,629
Posted By Teal
Cowl modification

Hello, I am considering cutting off the round inlet/snorkel on the bottom of my cowl and reducing my exit air size at the back of my cowl as I am running a alternative engine and dont need the carb...
Forum: Alternative Engines 06-24-2022, 09:31 AM
Replies: 75
Views: 17,796
Posted By Teal
Larry and Ross, Thank you for the advice. The...

Larry and Ross, Thank you for the advice.
The engine does have oil squirters cooling the pistons but I am not sure if they are forged.
The only comparative engine that I have data on is the fuel...
Forum: Alternative Engines 06-22-2022, 10:31 PM
Replies: 75
Views: 17,796
Posted By Teal
I would like to post pictures on my post. Can...

I would like to post pictures on my post. Can someone please tell me how to do that?
Forum: Alternative Engines 06-22-2022, 10:27 PM
Replies: 75
Views: 17,796
Posted By Teal
It climbs really, really good up high. But Cruise...

It climbs really, really good up high. But Cruise speeds are not as good as they should be. I feel that I am running out of propeller surface area, Not pitch because I can continue to increase pitch...
Forum: Alternative Engines 06-22-2022, 03:47 PM
Replies: 75
Views: 17,796
Posted By Teal
I was kind of liking the 2200-2300 Rpm for this...

I was kind of liking the 2200-2300 Rpm for this last flight but I have not spent to much time in the 8-9kft. Most of my time so far has been 12-15kft.
Forum: Alternative Engines 06-22-2022, 03:44 PM
Replies: 75
Views: 17,796
Posted By Teal
No, with the exception of switching between...

No, with the exception of switching between preset fuel maps that was built prior. I am told that I can connect a potentiometer to one of the ECU's analog inputs for a manual mixture control but I am...
Forum: Alternative Engines 06-22-2022, 01:01 PM
Replies: 75
Views: 17,796
Posted By Teal
Ok, On this mornings flight I tried to duplicate...

Ok, On this mornings flight I tried to duplicate some of the other RV9 cruise flight numbers.
At 8k ft and 150KTAS it was indicating 8.9GPH. at best RPM and manifold pressure which was 6300 RPM and...
Forum: Alternative Engines 06-21-2022, 11:12 PM
Replies: 75
Views: 17,796
Posted By Teal
100LL but only for tuning purposes. Switching to...

100LL but only for tuning purposes. Switching to 91 octane pump gas. will use 100LL when I have too
Forum: Alternative Engines 06-21-2022, 11:13 AM
Replies: 75
Views: 17,796
Posted By Teal
My last flight I show 178KTAS and 10kft MSL at...

My last flight I show 178KTAS and 10kft MSL at WOT and it was burning about 18GPH! But I think I was well above the airframes good efficiency range for cruise.
I would be interested in cruising at...
Forum: Alternative Engines 06-21-2022, 10:45 AM
Replies: 75
Views: 17,796
Posted By Teal
Thanks for the numbers, I really don't think that...

Thanks for the numbers, I really don't think that I can do better than .45 SPFC even though this fuel injection is computer controlled and more precise than mechanical aviation type. I feel that the...
Forum: Alternative Engines 06-21-2022, 08:46 AM
Replies: 75
Views: 17,796
Posted By Teal
Currently we are running about 12.8-13:1 AFR's...

Currently we are running about 12.8-13:1 AFR's and even richer above about 140hp. The next series of flight test will be running a tune that brings AFR's closer to 13.5 in cruise throttle settings....
Forum: Alternative Engines 06-20-2022, 09:43 PM
Replies: 75
Views: 17,796
Posted By Teal
Displacement is 1000cc or about 60cu...

Displacement is 1000cc or about 60cu in.
Currently running 2.85:reduction
Cruise RPM's is 6000-6500 rpm.
Some would call this screaming compared to the much larger displacement direct drive aircraft...
Forum: Alternative Engines 06-19-2022, 07:19 PM
Replies: 75
Views: 17,796
Posted By Teal
I do appreciate every ones concerns for my...

I do appreciate every ones concerns for my safety. I think conservatively maintain the TAS numbers under 210MPH for this application is prudent anyways and I will do so. Again thinks for sharing the...
Forum: Alternative Engines 06-19-2022, 03:41 PM
Replies: 75
Views: 17,796
Posted By Teal
Thank You for all the information. I will study...

Thank You for all the information. I will study it closely and carefully consider The TAS numbers in my VNE calculation.
Forum: Alternative Engines 06-19-2022, 02:56 PM
Replies: 75
Views: 17,796
Posted By Teal
Please educate me. Where is that published by...

Please educate me.
Where is that published by VANS?
True airspeed can greatly differ from indicated airspeeds at higher altitudes where turbo aircraft air capable.
Forum: Alternative Engines 06-19-2022, 02:47 PM
Replies: 75
Views: 17,796
Posted By Teal
https://www.dropbox.com/s/oclb67lz8l3edkn/20220530...

https://www.dropbox.com/s/oclb67lz8l3edkn/20220530_165905.jpg?dl=0
Forum: Alternative Engines 06-19-2022, 02:44 PM
Replies: 75
Views: 17,796
Posted By Teal
At current HP levels (205hp) at 2000MSL. I can...

At current HP levels (205hp) at 2000MSL. I can achieve 194mph IAS at wot straight and level flight.
Forum: Alternative Engines 06-19-2022, 02:41 PM
Replies: 75
Views: 17,796
Posted By Teal
Yes, "Nytro" gearbox

Yes, "Nytro" gearbox
Forum: Alternative Engines 06-19-2022, 02:34 PM
Replies: 75
Views: 17,796
Posted By Teal
The VNE numbers published by VANS are in...

The VNE numbers published by VANS are in indicated airspeeds. I am surprised that I am getting so many comments from current RV aircraft owners that are saying watch the TAS VNE numbers. I do...
Forum: Alternative Engines 06-19-2022, 02:18 PM
Replies: 75
Views: 17,796
Posted By Teal
The reduction drive is SkyTrax specifically...

The reduction drive is SkyTrax specifically desgned for this engine. Yes, designed for much more thrust than this.
Forum: Alternative Engines 06-19-2022, 10:48 AM
Replies: 75
Views: 17,796
Posted By Teal
RV9 200HP Yamaha Sidewinder

Hello everyone,
I removed a Lycoming 0-235 from my RV9 and installed a Yamaha Sidewinder snowmobile engine. I know, I know I'm crazy what did you do that for....etc. The engine currently in stock...
Showing results 1 to 26 of 26

 
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