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Extreme Flight 110" 100cc Yak 54 Build!

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Old 10-14-2008, 07:30 AM
  #826
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Looking good, Charles. Git-R-Done. Welcome back to Texas.
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Old 10-15-2008, 03:09 PM
  #827
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

hi,

need some help, has anyone tried a bme 105, mine (has the 110 case) with stock muff's fly the 110 yak ok? just not sure because of it's larger than average size. my motor turns about 6400 with a vess 27a, flew my bvm edge just fine and wieghs about 2 lbs less than the da-100. i saw where some guys used a kroma 100 but not sure how that compares to the bme 105.
any thought's would be a great help! trying to decide between the ef 110 yak and the new qq 101 yak

thanks, brad
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Old 10-15-2008, 08:34 PM
  #828
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Brad I dont think that your BME would have any trouble flying the 110" Yak. Swinging a Vess 27A at 6400 sounds like it will work fine. I have no expereince with the QQ planes but I dont think that you will be disappointed one bit with the EF 110" Yak. I love this plane and I think that it flies as close to a 40 center as you can get.
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Old 10-15-2008, 10:49 PM
  #829
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!


Quote:
ORIGINAL: bblizzard

hi,

need some help, has anyone tried a bme 105, mine (has the 110 case) with stock muff's fly the 110 yak ok? just not sure because of it's larger than average size. my motor turns about 6400 with a vess 27a, flew my bvm edge just fine and wieghs about 2 lbs less than the da-100. i saw where some guys used a kroma 100 but not sure how that compares to the bme 105.
any thought's would be a great help! trying to decide between the ef 110 yak and the new qq 101 yak

thanks, brad
The 110" Yak is a 35% that presents itself like a 40%. I have 32 flights on mine & I absolutely love it. my flyimg buddy has a 118" Yak, and he says mine flies just like his. I highly recommend the 110" Yak. If your BME 105 turns a Vess 27A @ 6400 rpm, you will have a real performer on your hands. This plane is bigger than a 40% Edge 540. Mine has 8 gal. through it on a Bolly 26x10 break-in prop @ 6500 rpm. and it has unlimited vertical,, & great pull out of a hover.
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Old 10-15-2008, 11:02 PM
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

I'll probably get flamed for this, but your BME has very similar power to a Da100, set up similarly with stock exhaust. Plus being lighter gives it definite advantages in power/weight ratios. My Kroma is supposedly, 2 - 4 oz, kighter than a DA 100, has the batteries behind the rudder servo. There is plenty of room between the rudder servo & the tank for th batts, and also around the tank, or infront of the tank. Lota of possibilites. You goota have a 110" Yak.
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Old 10-15-2008, 11:03 PM
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

I'll probably get flamed for this, but your BME has very similar power to a Da100, set up similarly with stock exhaust. Plus being lighter gives it definite advantages in power/weight ratios. My Kroma is supposedly, 2 - 4 oz, kighter than a DA 100, has the batteries behind the rudder servo. There is plenty of room between the rudder servo & the tank for th batts, and also around the tank, or infront of the tank. Lota of possibilites. You goota have a 110" Yak.
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Old 10-16-2008, 04:55 AM
  #832
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!


Quote:
ORIGINAL: torqmeister

I'll probably get flamed for this, but your BME has very similar power to a Da100, set up similarly with stock exhaust. Plus being lighter gives it definite advantages in power/weight ratios. My Kroma is supposedly, 2 - 4 oz, kighter than a DA 100, has the batteries behind the rudder servo. There is plenty of room between the rudder servo & the tank for th batts, and also around the tank, or infront of the tank. Lota of possibilites. You goota have a 110" Yak.
How do you like that Kroma? How is the midrange and the performance?

Thanks!
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Old 10-16-2008, 07:44 AM
  #833
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

I really like my Kroma 100. The mid-range is very smooth, with nice transition. Also, no matter what attitude the airplane is in, or what manuever I'm doing, there is no "burble" that I can detect.

Engines with double rings tend to break in a little slower. Mine is really coming on with the last 2 gal of fuel. I have 8 gal through it so far. There have been at least 5 tachs used on this engine, a Fromeco TNC & one unknown brand tached it at 6900 rpm, and three Hobbico tachs all have it right around 6500 rpm. I didn't want to be accused of exaggering these numbers, so I reported the 6500 rpm number.

I fly about an 70/30 mix of IMAC/3D. The performance has been excellent. I would rank it among the real quality engines available out there. I would recommend it to anyone.

After a couple more gal, I plan to move to a 27/10 prop.
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Old 10-16-2008, 08:34 AM
  #834
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Thanks!
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Old 10-16-2008, 11:14 AM
  #835
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

hi,

thanks, torqmeister for the info just wasn't sure if the bme 105 would handle the (bulk) of the ef yak. but since it's nearly 2lbs lighter than the da 100 i hope it's a wash lol! how muck does your's wiegh with the kroma 100?
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Old 10-16-2008, 02:14 PM
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!


Quote:
ORIGINAL: bblizzard

hi,

thanks, torqmeister for the info just wasn't sure if the bme 105 would handle the (bulk) of the ef yak. but since it's nearly 2lbs lighter than the da 100 i hope it's a wash lol! how muck does your's wiegh with the kroma 100?
26 1/2 lbs.

Also, the 110" Yak tends to be a bit nose heavy, so you won't have any problem balancing it with the lighter engine.

The rolling manuevers on this plane are absolutely beautiful. It rolls perfectly axial, with no need for any differential. Since I'm here, I might as well add that the snaps are clean & precise.
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Old 10-16-2008, 02:28 PM
  #837
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

so,

your palne is totally unlimited? if your 26 1/2 lbs i sould be 25 1/2 i think. how does it pull out of a hover walk ot run?

brad

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Old 10-17-2008, 10:43 PM
  #838
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Quote:
ORIGINAL: bblizzard

so,

your palne is totally unlimited? if your 26 1/2 lbs i sould be 25 1/2 i think. how does it pull out of a hover walk ot run?

brad

Brad here is a video of mine. DA 100 on pipes pushing the porky side of 29lbs. At your weight you should rock out of a hover. Mine does pretty good but you can be the judge of it.
http://www.youtube.com/watch?v=a4UFKY7gh8g
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Old 10-18-2008, 08:27 PM
  #839
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

I just saw these..... little overkill, but man, do they just ooozzzz cheder!!!

Only issue is that you have to have a reciever that states it will take the full, 7.4 volts...!!
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Old 10-18-2008, 08:42 PM
  #840
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Just about all rx's will handle 7 volts - they just don't state it....
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Old 10-19-2008, 12:47 AM
  #841
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

interesting...... I had heard that , but didn't want to find out the hard way that mine didn't...
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Old 10-19-2008, 12:49 AM
  #842
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

those pipes sound really nice there RUsh!!...

Just saw the 123" EF extra..... that looks very nice as well...

What prop are you running??? 28"????

It seems like you are running 3-D type flying...
A 26" would really smooth out your powerband, but the only thing I would see as a issue is the size of that cowl!....
The cowl may disrupt the prop wash from reaching the ailerons and giving the same results that a larger diameter prop will.....

from what I have seen, a 26" prop on standard mufflers gives you more power than a 27-28" prop.... Due to the engine able
to Rev up.. ( standard mufflers really cut the balls off these engines,,)

also, have you setup your header length according to someone's elses setup (like what DA said to do)? or did you actually do the
header legth according to your "own" results by cutting off a quarter inch of the pipe and retesting prop rpm's??

Just curious.....
Justin

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Old 10-19-2008, 08:59 AM
  #843
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

i was going to ask about a 26" prop eventually myself, i am planning on a zdz100, they say 26-10 to break in, then a 27-10, they dont like to load the motor too soon, anyway i have a 26B vess i got for my 80 and i wasnt getting enough rpm imo, so i was wondering if it will work for a break in on this set up, then go to a 27B or something, just curious if a 26B is less load then the 26-10? i guess as long as it doenst over rev it should work right? but the cowl size may hurt it also then huh? so far on my other planes(smaller motors) i like the B series props or on my 80 i have a 26-8 that i love, but thats why im thinking 26b then 27b, i am not sure about a 10 pitch, i like the flatter stuff, just used to it slowing right up on landings and working the throttle more, a 10 may take some getting used to for me if it takes longer to wind down, but i suppose on a bigger prop it may be considered flatter anyway right, does that make sence? like a 12-10 may be a top end spead prop, but on a 27" prop a 10 may be considered flatter, not like a 26-12/14 pitch, anyway i have the 26b i was going to try 1st if its enough
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Old 10-19-2008, 08:59 PM
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!


Quote:
ORIGINAL: kochj

those pipes sound really nice there RUsh!!...

Just saw the 123" EF extra..... that looks very nice as well...

What prop are you running??? 28"????

It seems like you are running 3-D type flying...
A 26" would really smooth out your powerband, but the only thing I would see as a issue is the size of that cowl!....
The cowl may disrupt the prop wash from reaching the ailerons and giving the same results that a larger diameter prop will.....

from what I have seen, a 26" prop on standard mufflers gives you more power than a 27-28" prop.... Due to the engine able
to Rev up.. ( standard mufflers really cut the balls off these engines,,)

also, have you setup your header length according to someone's elses setup (like what DA said to do)? or did you actually do the
header legth according to your "own" results by cutting off a quarter inch of the pipe and retesting prop rpm's??

Just curious.....
Justin

Justin I am running a Vess 28A. I am mostly flying 3-D with my setup. The only reason I dont try a 26" prop is just what you have already figured out. The cowl is massive and I am pretty sure that it would kill the prop wash over the ailerons.

This is how I did my setup. Started off with a Menz 27x10. The prop was ripping in the air. It was ripping so hard that I slung the prop. Well maybe that wasnt the case. Anyways I changed to a Vess 27A and just wasn't that happy with the pull out. Then I went to a Vess 28A and the motor really started clicking.
I had the plane out today and really got it dialed in. A little work on the needles and a little work on the throttle curve and I have the peaking really down to nothing now. I did find out a little something today that I did not know up until now. A rich motor will make pipes very, very peaky. My motor hads been on the rich side since I got it back from DA after the prop slinging incedent.

I setup the pipes per DA's instruction. I have not cut down anything. I setup the pipes and header with a 1/8" gap just like DA said. I was not real happy with the setup so I legnthed the gap to about 1/2" it kills a bit of the top end but it really improves the mid-range.

Take care,
Clarke
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Old 10-20-2008, 05:57 PM
  #845
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

has anyone tried a 27-10 compared to a 27B? just curious about rpm's and performance

clarke: was the 27a too slow as far as forward speed goes? i didnt like the 23A i tried on a 60cc motor, went to a 23B and loved it, just curious why you went up to a 28A instead of trying a 27B.
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Old 10-20-2008, 10:15 PM
  #846
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Dave I went up to the 28A over the 27A for two reasons. One my motor was absolutly slinging the crap out of the 27A. Way to many revs for my liking. Reason two is that I wanted to get a little more air across the surfaces.
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Old 10-21-2008, 06:53 PM
  #847
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!


Quote:
ORIGINAL: Rush7

Dave I went up to the 28A over the 27A for two reasons. One my motor was absolutly slinging the crap out of the 27A. Way to many revs for my liking. Reason two is that I wanted to get a little more air across the surfaces.
i guess it would be hard to speculate if a 100 without pipes would spin a 28A enough? im planning on stock muffs for my set up
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Old 10-21-2008, 07:31 PM
  #848
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

Hey Dave!! I have a TBM 27x10 I will cut you a deal on. Was only flown twice on Sundays by a granny!!!
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Old 10-22-2008, 12:07 AM
  #849
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

funny rich, still need to get the plane 1st, im close, my electric is supposed to be sold this weeknd, im real close to ordering now
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Old 10-22-2008, 04:42 AM
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Default RE: Extreme Flight 110" 100cc Yak 54 Build!

I thought you might get a kick out of that one.
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