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Thunder Tiger - TTRG1139 TTR9604 9604 719523598852 4719523598852
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Accessories Needed

Replacement & Optional Parts

Parts Compatibility

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Thunder Tiger PRO .39H Ringed
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Thunder Tiger PRO .39H Ringed
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Instruction Manuals: Manual 1 (1 MB)

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Tech Notes
This is the Pro .39H Ringed Two Stroke Helicopter Engine from Thunder Tiger.


Fits all popular 30 size helicopters with gear ratios between 9.1:1
to 9.8:1
Developes peak horsepower at 16,000-18,000RPM
Crankshaft supported by two ball bearings
Lightened hypereutectic machined Al-Si ringed piston
Two-needle air-bleed carburetor
XC2 (extreme composite) cylinder liner coating with a criss-cross
pattern etched on the sleeve wall
Rear reinforced resin cage ball bearing support
Three year limited warranty through Hobby Services beginning at date
of purchase


Pro .39H Helicopter Engine with 1.5, 2.5 & 3mm hex wrenches, decal
sheet and instruction manual


Fuel: Heli blend with 5-30% nitromethane and 20% lubricant content
Glow Plug: Long type such as the OS #8
Glow starter, plug wrench and field equipment


Displacement: .394cu in (6.45cc)
Bore: 0.850" (21.6mm)
Stroke: 0.693" (17.6mm)
Practical R.P.M.: 2,000-17,000
Output: 1.35 BHP/16,000 RPM
Weight: 10.23oz (290g)

Carburetor Settings*;
Needle Valve: Three turns from closed position
Mixture Metering Screw: 30-45 degrees clockwise
*Carburetor was preset at factory and requires only small
Distance/top of cylinder head-bottom of mounting tabs: 2.4" (61.mm)
Distance/top of cylinder head-bottom of crankcase: 3.03" (77mm)
Distance between mounting holes same side: 0.60" (15mm)
Distance between mounting holes opposite side: 1.9" (48mm)
Cylinder head width: 1.7" (44.6mm)
Width at mounting tabs: 1.8" (45mm)
Width of crankcase below mounting tabs: 1.2" (31.1mm)
Center of engine to front bearing: 1.81" (46.1mm)
Backplate to front bearing: 2.6" (67.6mm)

jxs 10/18/10

– If you need more information, use these Thunder Tiger resources –
Click Here: Manufacturer's Product Web Page
Email: productsupport@hobbico.com
Web Site: http://www.ttamerica.com/
Phone: 217-398-8970
  Postal Address:
Thunder Tiger
3002 N. Apollo Drive, Suite #1
Champaign, IL 61822

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Parts Compatibility
Parts Compatibility for Thunder Tiger PRO .39H Ringed
This item is a replacement part for the following:
 LXAGSR Thunder Tiger Raptor 30 V2 Pro ARF  (Parts List)
 LXAGSS Thunder Tiger Raptor 30 V2 Pro ARF w/Pro-39H Engine  (Parts List)
 LXAGSU Thunder Tiger Raptor 30 V2 Sport Kit  (Parts List)
 LXAGSV Thunder Tiger Raptor 30 V2 Sport Kit w/Pro-39H Engine  (Parts List)

Accessories Needed
This is the Pro 39H Ringed Two Stroke Helicopter Engine from Thunder Tiger. FEATURES: Two-needle air-bleed carb, XC2 cylinder coating, schnuerle cylinder liner porting, hypereutectic machined Al-Si ringed piston REQUIRES: 5-30% nitro heli fuel w/at least 20% lubricant, glow plug, muffler, field equip.

Accessories for the Thunder Tiger PRO .39H Ringed

Primary Accessories   Building & Field Equipment Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXUM80 Duratrax Glow Starter C Battery
Qty Discount Available
7.99   In Stock
 LXCMDL Fuji Batteries C Alkaline Battery (2)
Qty Discount Available
4.69   In Stock
 LXK129 Great Planes Silicone Fuel Tubing Standard 3'
Qty Discount Available
2.99   In Stock
 LXK134 Great Planes Ultra Precision Fuel Filter
Qty Discount Available
3.79   In Stock
Subtotal for this Group of Accessories: 19.46  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories   Building & Field Equipment Optional Accessories

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