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DA 35 EFI

DA 35 EFI
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DA 35 EFI

Product catalog summary
Overview:
The DA35 EFI is a 35cc single-cylinder, electronic fuel-injected two-stroke engine designed for high performance with a focus on efficiency and lightweight construction.
Specifications:
  • Maximum Power: 2.2 kW at 8000 RPM (2.9 HP)
  • Maximum Torque: 2.7 Nm from 5500 RPM to 7000 RPM (2.0 lbft)
  • Average BSFC: 720 g/kWh (1.2 lb/HPh)
  • Full System Weight: 1.17 kg
  • Operating RPM Range: 1500 RPM to 8200 RPM
  • Fuel: Any grade pump gasoline with Red Line two-stroke oil at a 40:1 mixture
  • Required Operating Voltage: 10V to 15V
  • Peak Current Draw: 1A
  • Recommended Battery: 3s or greater LiPo, 1 hour / 1000 mAh
  • Ambient Temperature Range: 0 to 49°C (32 to 120°F)
Component Weights:
  • Engine with Throttle Body: 1 kg (2.2 lb)
  • ECM: 85 g (2.9 oz)
  • Fuel Pump: 88 g (3.1 oz)
  • Ignition: 150 g (5.3 oz)
  • Wire Harness/Fuel Lines: 170 g (6.0 oz)
Performance Data:
  • Figure 1 illustrates the power curve from 2500 RPM to 8000 RPM, showing steady state wide open throttle conditions.
  • Figure 2 compares power outputs using different mufflers: stock, Pitts rear mount, and KS side mount quiet mufflers.
  • Figure 3 displays BSFC at various throttle positions and RPMs, indicating propeller load.
Propeller Recommendations:
  • 2-Blade: 19 x 10, 20 x 8, 20 x 9, 21 x 8
  • 3-Blade: 18 x 10, 19 x 11 Narrow
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Catalog excerpts

DA 35 EFI-1

DA35 EFI Data Sheet 35cc Single Cylinder, Electronic Fuel Injected Two Stroke Engine 2.2 kW at 8000 RPM 2.7 Nm torque from 5500 RPM to 7000 RPM 720 g / kWh average BSFC 1.17 kg full system weight 1-amp peak current draw

 Open the catalog to page 1
DA 35 EFI-2

Figure 1: Power curve generated from steady state wide open throttle conditions from 2500 RPM to 8000 RPM in 500 RPM increments. Measured torque was averaged over 30 seconds at each RPM, accounting for all high/low torque spikes that are present in normal operating conditions. DISPLACEMENT MAX POWER (8000 RPM)* MAX TORQUE (5500 RPM)* CONTINUOUS POWER (7000 RPM)* CONTINUOUS TORQUE (7000 RPM)* OPERATING RPM RANGE AVERAGE BSFC WEIGHT (ENGINE WITH THROTTLE BODY) WEIGHT (ECM) WEIGHT (FUEL PUMP) WEIGHT (IGNITION) WEIGHT (WIRE HARNESS/FUEL LINES) FUEL** TWO STROKE OIL REQUIRED OPERATING VOLTAGE CURRENT...

 Open the catalog to page 2
DA 35 EFI-3

Figure 2: Power comparison of stock muffler, Pitts rear mount muffler, and KS side mount quite mufflers. Figure 3: BSFC at various throttle positions and RPM representing propeller load.

 Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.