T-craft challenge.

[Sloanlow]

Re: T-craft challenge.

Tribe

I'm liking the c-90 on a short mount idea along with some vortex generators and a stand-alone electrical system (solar) no starter, tuned exhaust. The Harel STC should get me there from the 65. That leaves options for the future if I would want to leave LSA and install long mount and luggage compartment etc.

All input is welcome as I am forming my vision of 43011.

Jim Allison

[Yellow Duck]

Re: T-craft challenge.

Jim , that sound like a good idea. I've heard several say the 90 was better than the 0-200. Don't know personally

[Acroeric]

Re: T-craft challenge.

The 90 is definately stronger than the 0-200. An 0-200 is 100hp at 2750, the C90 is 95 at 2575. The 0-200 at 2575 is around 80 hp. With the C90 you get more torque which is more useable power. The cam that you will want to use is a p/n 530788. They are hard to find and are expensive but they are worth it. You will have to run something like a Luscombe 8E exhaust with it as the 35 degrees of overlap will not like backpressure. The little luscombe exhaust is still available for around $400, fits without modification to the cowling (except for the extra holes on the right side for the exhaust pipe.) I have a copy of the 337 I had approved if anyone needs it. (for the exhaust)

[Dano"T"]

Re: T-craft challenge.

What are RPM limits for a C90-12F? I have been treating the one I just got like an 85. Cruise at 2350 with CK-76-2-40 Sensenich. Eric is right though, I've flown them all C-85, O-200, now C-90 in a T-Craft....Very noticable in the light airframe. I was surprised that it performed better than the non-electric O-200 T-craft I flew, and my C-85-8 on my other crate with a fresh major is very strong....but the C-90 feels like it has more.

[NY86]

Re: T-craft challenge.

Actually, the C90 is rated 95 hp at 2625, not 2575. The only way you can effectively run at that level is if you've got a Beech (or other) adjustable prop, and it's limited to 5 minutes at that power. All other configurations and times the limit is 90 hp at 2475 RPM. The 90 performs better under a lot of circumstances because it's generally turning a longer prop slower. Its torque curve peaks at lower RPMs.

I think that the C85 with the O200 (C90) crank is even better. Almost a C90 with an extra 100 RPM.

[Dano"T"]

Re: T-craft challenge.

Hey Eric,

Does that Luscombe exhaust look like THIS ....I originally thought this was a Cessna 140 exhaust, but it looks homemade. This is on our C-90-12F

[Acroeric]

Re: T-craft challenge.

Definately not Luscombe. The Luscombe 8E system exits the original hole on the right side- you cut an additional hole on the left lower cowling and no other mods are necessary. The Luscombe carb and cabin heat works as well without modification.

Sorry about the C90 RPM mix up- you are correct. My point was that it makes more useable HP at a lower RPM which means more torque. The best prop that I have tried is a Sensenich 76AK-2-44 (90hp Super Cub prop) the -2 means it is 2 inches shorter than 76. I would like to try a full 76-43. I bet it would climb out of a sewer hole!

[Acroeric]

Re: T-craft challenge.

Hey look what just came up on Barnstormers!

AIRCRAFT ENGINE • $3,900 • CLEANING OUT THE HANGAR • Continental C90 12F 450 SMOH full electric • Contact Doc Openshaw - located Huggins, MO USA • Telephone: 417 458 4746 • Posted December 16, 2005 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Send a Message

[Sloanlow]

Re: T-craft challenge.

Are there any members close to Huggins, MO that can take a look at this engine?

Jim

[Sloanlow]

Re: T-craft challenge.

Tribe

Ok, I have a good fuse, soon to be on new tires, reconditioned shinn brakes, good landing gear.

Next I have to clean up the damages to the tail section (see photos in gallery) while welding, I want to put in the dual heal brakes. I suppose I need a 337 to accomplish this.

What would be the best way to accomplish putting in dual brakes? Does anyone have a copy of a 337 for this? would the bolt in assembly be a better solution?

Jim A.

[matsuthunder200]

Re: T-craft challenge.

I have the c90-8. I talked with the guys at lycon. they are getting around 15 hp more out of the c85 c90 and the 0200s and they are fully approved .
I was wondering if anyone has delt with them on any of these motors.
Alot of people up here in alaska send them there super cub motors and they love it there getting about 25 more hp when they get it back.

[Acroeric]

Re: T-craft challenge.

Jim A- no 337 needed because Tcraft originally installed this as an option making it "approved data". A logbook entry would be sufficient but you at a minimum need another plane with them to reference. I know Rob Lees did an excellent job documenting his on his website- not sure if it is still there or not.

I have mine together ready to take to a welder to finish off. I think it took me 1 hour to make all the parts. I have plenty of material if you want me to make you a ready to weld r/s brake assy. My shop rate is $15000 per hour ;-)

[Acroeric]

Re: T-craft challenge.

Lance- I only know of 1 fellow runnning a Lycon C90. It does run very well but you can do the same thing and save yourself 5k. I have a local engine shop that DYNAMICALLY balances all my rotating parts. He is inexpensive and quick. This really helps as well.

Here is a link to a forum on the supercub site. I think you will find a ton on info here. I posted this a few months ago b/c the PA18-90 guys seem to know a ton of performance tricks.

http://www.supercub.org/phpbb2/viewtopic.php?t=8680

[crispy critter]

Re: T-craft challenge.

Eric, I'm not one to pry but don't you think $15000 per hour is a little steep , Hell, I'll sell him an almost finished BC12D for less then that. It just needs the wings covered and assembly. Almost everything else is finished.

Jim A- no 337 needed because Tcraft originally installed this as an option making it "approved data". A logbook entry would be sufficient but you at a minimum need another plane with them to reference. I know Rob Lees did an excellent job documenting his on his website- not sure if it is still there or not.

I have mine together ready to take to a welder to finish off. I think it took me 1 hour to make all the parts. I have plenty of material if you want me to make you a ready to weld r/s brake assy. My shop rate is $15000 per hour ;-)

[zero.one.victor]

Re: T-craft challenge.

There's some good poop on the 4-cyl Continental on the Aeronca site

https://www.joea.com/phpBB2/

there's one whole forum specifically for engine discussions.