RoysterDW

I started the thread on the 55AX and many thanks to all that replied!

I now need to find a home for an OS 70 Surpass 4 stroke.

I was thinking a Funtana 50?

Flying style: Aerobatics, 3D!

Lomcevak Duck

My Feedback: (14)

The OS .70 is a great match to the GP Cub, The .40 size ARF is a great sunday flier.

Roary m

My Feedback: (67)

Got a 70 Ultimate(blue rocker cover) that I was going to drop into a Kyosho Hein but the callout on prop size is 13x6 or 7 only. The Hein is a 46 2 stroke plane at 55'.

flyalot

My Feedback: (63)

My OS 70 is in a Sig Astrohog. Not 3D but, very aerobatic. Both 10 years old and still going strong. Joe

turbo.gst

My Feedback: (8)

I have been impressed with the OS 70 in a Sig Astrohog. It is not 3D, but it is a great match for the airframe and powerplant.

turbo

HollywoodHitman

I have one in a Pulse XT 40 with a 14-7 APC prop on it........Everyone's impressed with the performance of the plane, and it has virtually unlimited vertical.....Love it!

RoysterDW

Great stuff guys, keep em comin'!

Anyone have one in a Great Planes U Can Do 3D- 46 size?

Lomcevak Duck

My Feedback: (14)

The GP UCD .46 flies very well with the .91 Surpass, I don't know about the .70 though.

RoysterDW

Did you have to add weight to the tail, how was the CG?

Bruno Stachel

My Feedback: (4)

I saw a guy fly a Sig Something Extra (I believe the ARF) with an OS 70. He could hover all day long.

waagbuck

My Feedback: (1)

The OS 70 surpass is perfect with the ucando 46. It flies well with a 13x6 prop, but I think it does a little better with a 14x4.

RoysterDW

Yeah I hear the UCD is good with an OS70 but some have said on this and other forum sites its underpowered for that plane.

I guess some You Tube video will tell the truth )

magnum500

i own 2 . one in a cap and the second in a cub . both are very reliable and easily tuned . thinking of buying two more for a b25 build . all a+`s from me .
jay

speedair

Kyosho spitfire 60 or black horse chipmunk

RoysterDW

Seems like its more suited to scale planes rather than aerobats and 3D planes.

I gather its because of the weight?

I had my 70 in an Excelleron 50 and it flew well (still does but even better with a OS Alpha 81) but did lack a bit of punch.

JMOR06

GP Ultrasport+
Good match plenty of power and does what is asked of it.

bbbair

Great Planes P51 D with a 14 - 7 is a stellar combination!

Lots of power and totally reliable - not going to do any 3d flying - but P51s never did.

WMB

My Feedback: (1)

There are a few of these in the Sig Senior ARFs. Great combo!

Charlie P.

I've got one in a Contender 60 with a 13 X 8 APC. Won't hover, you have to fly the wings and not the prop, but is a ripper on a straight-away. Great engine (and great sport model). Had one in a GP Big Stik that I lost in a mid-air and it was just a wingless red comet of a lawn dart when it hit a rock. I gathered up the PIECES of the FS-70 and sent them to Champaign, IL and, by gum, they sold me a new one at their cost ($134). I was tickled at that.

"LAF" was not an accident, by the way. "Don't take life too serious - it ain't no how perminant" - Walt Kelly.

TooLow

My Feedback: (5)

I ended up stuffing one into a Hangar 9 Piper Pawnee. Excelent combo!

GaGeeBees

My Feedback: (23)

How about two OS .70's

Ejiro

My Feedback: (4)

Great Planes 40 size P-51Mustang Kit..........

hellyeh

I've got one in a Hangar 9 Twist 40 , spinning a 13x4W APC . Great combination for this airframe . Hovers no problem , and will pull to the moon .

RoysterDW

How did the CG work out? Any lead needed in the tail?

Thanks

BillyGoat

Ditto on the Twist.

Mine balanced just right with no lead. It is however a snug fit between the supplied motor mounts, which requires a little modifying with a Dremal tool.