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SuperSport Cub Pilot Report

Fencer

Registered User
grand junction Colorado
Well I made it back to Colorado with the new plane last week and I've been flying it everyday since until the snow grounded me yesterday. So I thought I'd take this snow day to pass on my thoughts on what the planes been like so far to any of you that might be interested.

Pickup:
The delivery went very smooth Randy gave me a tour and showed me the plane. I had been a little apprehensive of the pickup as there had been some confusion/disagreement on what was included as standard equipment when I had made my order. But after some discussion prier to my arrival I was very pleased as CC stepped up and delivered on everything in question. I left very satisfied with both the plane and there committment to customer service.
I'm sure a lot of you have been to the factory but it was my first time. I was very impressed with the level of craftsmanship and attention to detail in the building process. I was also surprised by the how much of the plane is made in house. (pretty much everything except the engine and the avionics) The entire process was very enjoyable and educational and I was on my way home by noon.

The Plane:
I picked up serial# 103 but that includes sportcubs as well. I didn't think to ask how many supersports have been built but i think its probably around 10.

Statistics:
Empty weight is 897 lbs and I weigh 180 lbs and had about 70 lbs of gear with me. Initial climb out at Yakima was around 1500'-1800' fpm. As the engine was still in the break in stage I ran high power setting all the way home varing between 2450-2650 rpm and 6k-11k in altitude (tried to stay in the 6k-8k when ever terrain permitted) Cruise at those setting stayed around 100-110 knots (gps speed derived from flighing into and out of the wind and averaging the difference I had a tail wind all the way and saw 115 to 125 knots ground speed most of the trip). My plane came with a Cato prop that has a pretty flat pitch (i dont know the exact pitch) at all altutudes to 12k the engine has enough power to easily over speed the prop in level flight. At 10k full power resutls in a climb of 1000 fpm and an ias of 90 mph.
Three quarter throttle at 9k results in 2700 rpm and an ias of 125 mph.( i think the ias is a little off but haven't checked it yet.

Fuel burn was high at those settings. I dont have a fuel flow meter but a 2 hour 20 min leg used 21.5 gal. If i had to guess i would say full power climbs are burning 15 gph and high speed cruise (2650) rpm is around 10 gph.
After i got back and oil consumption had stabalised I spent some time at lower power setting. First let me say its way more enjoyable at the lower settings 2000 rpm at 6500' seems to give a ias of about 85-90 mph and the noise and vibration drop dramatically to a almost car like level i haven't done any trips at this setting but judging from the fuel used poking around Im thinking around 3-5 gph but its just a guess.

Flight :
In level flight at 8k with power at idle and full flaps i could not get any stall or break at all. Holding the stick at the stops for 30-45 sec resulted in a slowly accelerating nose high mush that began at 500 fpm and seemed to stabilize at 1100 fpm after about 10 sec. Adding approximately half throttle without releasing the stick resulted in level flight nose high with and ias of 0 but a gps speed of 24 knots. Going to full power resulted in a pretty strong climb but i didnt hold it that long and forgot to check the fpm or the gps but the ias stayed around 0. I haven't tested any accelerated or turning stalls yet but i think power on stall with full flaps are impossible without a lot more weight in the plane. I havent flown it at all with any passangers so keep in mind all of this is at a light weight.

engine:
The engine has been good and seems to be breaking in ok (but i have no real experiance on this so take it for what its worth) CC recently redesigned the cooling inlets with some removable rings and believe mine may be the first to have them. They seem to work too well as my oil temp never got above 180 and stayed closer to 130-140 in cruise i took them off after my last flight and am hoping it will let the engine run a little hotter.

Complaints: So far I have only one the door seal or lack there of, the heater puts out a good supply of heat but with the wind blowing right in through the door it keeps your leg pretty cool this time of year. I added a little weather stripping and it fixed the problem but seems like it should come with some already on.

All in all I'm very happy with the plane. I flew up to my dads place last friday (about a 100 air miles) and landed in his hay field 800'x600' with no problems whatsoever even though his house is at 6000' feet and there was no wind at all. I'm really starting to see what all the love for the little cubs is all about.

Once this weather clears i hope to be flying everyday again for a while so if anyone has anything they'd like to know about the plane let me know and i'll try to test it.

Blu
 
The wind blowing in through the door and freezing your leg off is part of that original Cub charm at no extra charge :lol:

Glenn
 
Most of us glue a piece of naugahyde on the door while it is open - then it sort of blocks the air along the bottom. Best defense in really cold weather is something along the lines of a lambs wool fleece draped over each leg. Long underwear helps some.

How's that for an opinion from sunny San Diego?
 
On my Sport Cub the worst air leak was along the aft edge of the door. A strip of 1/4" foam weatherstripping fixed it.
 
I tried to down load a photo but I'm not quite sure how to do it.
I did put one under my user name but couldn't get it to post in the thread.
Blu
 
Bob Breeden said:
Even though it is a colder time of year, 1000 fpm of climb at the fast speed of 90 mph at 10,000 feet is very respectable!

Bob Breeden


www.AlaskaAirpark.com
I wasn't sure what to expect but so far every time I fly it I'm suprised at the amount of power it has.It is a little hard to belive.
 
Here is the photo.. nice looking cub! Do you want me to call Bill and get the tires ordered for you?

IMG_00241.JPG
 
Nice looking plane. Does it have the EXP XS-340 in it or the O-320?

I really liked the way the Sport Cub flew that Jim had up here in '08.

Take care,

Crash
 
dave said:
Here is the photo.. nice looking cub! Do you want me to call Bill and get the tires ordered for you?

IMG_00241.JPG

Funny u should mention tires been really concidering getting some larger tires. Been concidering 26 or 29" tires. I saw cubcrafters has 26" tires on there site for $1200 is there a better place to look?
Blu
 
Give Alaska Bushwheels a call. Their 26 inch Bush Wheels should be about perfect for that machine... They advertise on this forum.

MTV
 
mvivion said:
It's about a 79" prop.

78" x 54". We're still experimenting to get the exact pitch correct. Blu, we'll talk, if we need to swap props we will but we first need to get one we're happy with here. We'll have yet another iteration here for testing next week.
 
Personally I would go with AkBushwheel "Air Streak" series of tires before using the GY 26". They are available in 26 and 29 inch. If you are able to put them on the Sport Cub or not is something you will have to check. I have a set of the Bushwheel Air Streak 26" on one of my planes and previously used the GY tundra tires. There is a world of difference. The GY's are much stiffer and do not give near the cusioning on landing as the BW's. They are more expensive then the GY's.
WW
 
Airstreaks is what they offer for the SPORT CUB and Super SPORT CUB Blu. They are the lightweight version of the Alaskan Bushwheels sold under a separate brand name to differentiate. I think the Airstreaks are up to a gross weight of 1500lbs. I'd put the 29's on. I flew N155PC with the 29's on it back in the spring and really liked it, it sat up well and had a good angle of attack at three point with the 3200 tailwheel in the back.
 
There are quite a few GY 26" kicking around. I would dearly love for CC to get the PA-11 added to the 26" GY STC.
 
behindpropellers said:
jrussell said:
There are quite a few GY 26" kicking around. I would dearly love for CC to get the PA-11 added to the 26" GY STC.

Did you send in the 337 with the tire sheet?

Would that work? I don't have the sheet (tires were used...)
 
jrussell said:
behindpropellers said:
jrussell said:
There are quite a few GY 26" kicking around. I would dearly love for CC to get the PA-11 added to the 26" GY STC.

Did you send in the 337 with the tire sheet?

Would that work? I don't have the sheet (tires were used...)

Has nothing to do if they are used.

Call up the anchorage FSDO and ask them if they can send you a copy of the "tire worksheet". Fill that in with your 337 and put the tires on.
 
Call up the anchorage FSDO and ask them if they can send you a copy of the "tire worksheet". Fill that in with your 337 and put the tires on.

Sounds like a plan. I thought that FMD might have a data sheet of sorts that would help but it sounds like the calling Alaska will procure the data.
 
I think the AK region "Tundra Tire Worksheet" is on this site somewheres....

If not, I think I have a link.

MTV
 
I may be wrong on this but since it is an LSA aircraft it falls under a completely different set of rules. The tires must be approved by the manufacture to be legal. This is one of the "bad" issues with LSA...NOTHING can be changed without the manufactures approval. Now if CC has the Bushwheels approved then there is no issue.
WW
 
mvivion said:
I think the AK region "Tundra Tire Worksheet" is on this site somewheres....

If not, I think I have a link.

MTV

Mike-

I found several links, but all of them were broken. Send it to Steve for the member section if you get a copy.

Tim
 
WWhunter said:
I may be wrong on this but since it is an LSA aircraft it falls under a completely different set of rules. The tires must be approved by the manufacture to be legal. This is one of the "bad" issues with LSA...NOTHING can be changed without the manufactures approval. Now if CC has the Bushwheels approved then there is no issue.
WW
Correct, and 26" Bushwheels are approved as an option on new aicraft as long as it makes weight (900 lbs empty weight for SLSA, no empty weight limit if the plane is converted to ELSA).
 
Re: Stall brake

hondacubber said:
Blu,

If you use 1,100 to 1,200 RPM you can get a break when it stalls flaps on or off.

Eric

Your right, went out and tried it.The extra power lets it get a higher deck angle and a definite break. Thanks I hadn't thought to try that but its a likely power setting while circling to look at something.
 
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