O.S.Engine 105HZ-R DRS 1.05 Helicopter Engine

OS Engines
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OSMG1961
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This is the 105HZ DRS 1.05 cu in Helicopter Engine from O.S. Engines. **Additional Technical Info Will Be Added When It Becomes Available.** FEATURES: Same mounting dimensions as a .90 cu in engine Machined blue anodized aluminum heatsink cylinder head Velocity stack increases airflow and enhances engine performance Pressurized DRS...

   This is the 105HZ DRS 1.05 cu in Helicopter Engine from O.S. Engines.

**Additional Technical Info Will Be Added When It Becomes Available.**

FEATURES: Same mounting dimensions as a .90 cu in engine Machined blue anodized aluminum heatsink cylinder head Velocity stack increases airflow and enhances engine performance Pressurized DRS (Demand Regulator System) ensures consistent fuel flow regardless of the helicopter attitude Backplate accepts the Futaba BPS-1 RPM sensor for the GY701 and CGY750 gyros Ideal bore and stroke ratio for lowest vibration

INCLUDES: 105HZ DRS 1.05 cu in Helicopter Engine with Glow Plug and Manual

REQUIRES: Fuel: Heli blend with 15% nitro content

SPECS: Displacement: 1.048 cu in (17.17 cc) Bore: 1.142" (29mm) Stroke: 1.024" (26mm) RPM Range: 2,000 - 16.500 Output: 3.7 ps @ 15,000 RPM Weight: 21.46oz (608g)

Type: 

Nitro Equipment

Vendor: 

OS Engines

SKU: 

OSMG1961

Weight: 

2.0 lb


Product Spare Parts


Electronics

Customer Reviews

Based on 6 reviews
83%
(5)
0%
(0)
17%
(1)
0%
(0)
0%
(0)
K
Kerry J.

O.S.Engine 105HZ-R DRS 1.05 Helicopter Engine

B
Brian H.
Os105

It powers my kraken 700 great and I got the motor faster than expected thank helidorect

D
David M.
Excellent

I use OS Engines for powering all my vehicles, they get the job done well. The 105 regulated is in my N7 and NX7. Both run strong, easy to tune and maintain. Rebuilds are also very straight forward and easy. Excellent quality and readily available parts at most LHS’s or as always online. I bought this without a machine to put it in. Now trying to decide if I want to have it as a backup or build another helicopter. Until last year I had only electric helis and numerous batteries/chargers. Nitro is the way to go, as it always has been. Fly, refuel, repeat!

R
Ray L.
Great engine but this is the secon one that burnt a piston

This is the second one I've purchased that seemed to overheat and burn up a piston. I figured the first one was just running too lean but the needle settings were close to factory. I didn't change the needle settings and it ended up burning up the piston. However; after replacing the sleeve, piston, and rings in both they run great.

M
Michael H.

Fantastic power!

M
Matthew C.

I recently got into nitro after having flown electrics for a year. This engine is extremely easy to setup and tune which is great for someone who is new to nitro on helis. I am currently leaning mine out but it has a lot of power and I can't wait to finally have it tuned to perfection. I have paired mine with a PowerBoost pipe.

Customer Reviews

Based on 6 reviews
83%
(5)
0%
(0)
17%
(1)
0%
(0)
0%
(0)
K
Kerry J.

O.S.Engine 105HZ-R DRS 1.05 Helicopter Engine

B
Brian H.
Os105

It powers my kraken 700 great and I got the motor faster than expected thank helidorect

D
David M.
Excellent

I use OS Engines for powering all my vehicles, they get the job done well. The 105 regulated is in my N7 and NX7. Both run strong, easy to tune and maintain. Rebuilds are also very straight forward and easy. Excellent quality and readily available parts at most LHS’s or as always online. I bought this without a machine to put it in. Now trying to decide if I want to have it as a backup or build another helicopter. Until last year I had only electric helis and numerous batteries/chargers. Nitro is the way to go, as it always has been. Fly, refuel, repeat!

R
Ray L.
Great engine but this is the secon one that burnt a piston

This is the second one I've purchased that seemed to overheat and burn up a piston. I figured the first one was just running too lean but the needle settings were close to factory. I didn't change the needle settings and it ended up burning up the piston. However; after replacing the sleeve, piston, and rings in both they run great.

M
Michael H.

Fantastic power!

M
Matthew C.

I recently got into nitro after having flown electrics for a year. This engine is extremely easy to setup and tune which is great for someone who is new to nitro on helis. I am currently leaning mine out but it has a lot of power and I can't wait to finally have it tuned to perfection. I have paired mine with a PowerBoost pipe.