flyinrazrback

My Feedback: (69)

need some advice, debating on buying a h9 25% cap with a supertiger 2300, perry carb and pump. 12lbs, will this engine be adequate? dont do a lot of 3d, but do like some vertical. says turns 18x8 in low 8ks(15% fuel), how bout a apc 17x8? i see on rcfaq.com that the 2300 turns that prop around 9300. Or an 18x8 on 25% nitro? I had a cap like this with an irvine 1.5, apc 16x8 @ around 8700 and wasnt thrilled in the performance, weighed 13lbs, any input greatly appreciated

rvd

Flyinrazrback When the 2300's are running at their best they make good power. I have one and it turns a 18x6 with enough authority. It will haul around your cap good but I would suggest looking into the 1.60fx or a YS 140dz. The 1.60 is powerful and we all know the YS is a powerhouse too. I started a thread awhile back about 1.60fx tach readings.. Look it up and you will see what most people are getting with it. I have one in my 1/4 extra300xs with a 18x8 and it pulls out of a hover pretty good. It doesn't shoot up like a missile but it's good . I'm running it with a Perry vp20 oscillating pump, good reliable setup that will not let you down.

flyinrazrback

My Feedback: (69)

i was thinking running an apc 17x8 with ys 20/20 fuel, that sound right or 9300 rpm too much with that combo, the engine has a perry pump and carb, weighs 12lbs

flyinrazrback

My Feedback: (69)

i dont fly 3d, just torque rolls, mainly imac style

GalenB

My Feedback: (18)

Is the ST 2300 considered one of the "Big Tigres"? If it is then adding more nitro and oil will likely not gain you more power...

Also -- most advice on Big Tigres say to prop them for the high 7000 rpms, 7700 or so... Although your next prop up is a 20X6 and that is the prop I plan to use with my H9 1/4 scale CAP and ST 3000...

flyinrazrback

My Feedback: (69)

it is not considered a big t, their site recommends 18%+ oil and 5-25% nitro, most people getting mid 8Ks on 18x8s, and i see on rcfaq.com that alot of people run the apc 17x8 at 9200 rpm or so on 15%, just wondering if the extra rpm of the 17x8 will help with the vertical over the 8Ks rpm of the 18x8

flyinrazrback

My Feedback: (69)

I also see on rcfaq that the OS 1.6FX turns the apc 17x8 at 9100 rpm, seems the same power as the ST 2300, and everyone recommends the OS 1.6, so the 2300 should be fine if those figures are right, dont want to run a 18x6, not enough speed for me

captainpitts-RCU

My Feedback: (24)

I have this plane and I fly it with an O.S. 1.60 fx and I run an apc 18x6w. On 10% it will swing this prop @ 9,400. A friend did a comparison with the 1.60 and the 2300. The 2300 with a tuned pipe would turn the same rpm's as the 1.60 with a pitts muffler. My cap wieghed in heavy a just a tad over 13# and the O.S. will yank it off the ground and take it up as high as you'll ever want to go. they are a perfect match for each other.

flyinrazrback

My Feedback: (69)

good info, like i said though, dont really want to go with a 6 pitch prop because i dont hover above the ground, i like a little more speed, and since your 1.6 pulls it well, the st 2300 with the 17x8 prop should suit my purpose, just sketchy if i want to run 25% nitro through it, cost doesnt bother me, but dont want to melt it either

flyinrazrback

My Feedback: (69)

ran the motor with apc 17x8, ys 20/20 fuel, tons of power, right up there with the OS 1.6