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Discussion Starter · #1 ·
For Sale: Asking $550 US (+shipping) but will let a ProBro have it for $500

Includes everything that comes from manufacture (including box!!!) and GP kill switch

Only about 3 gallons tru it. only flown two times. GREAT PERFORMANCE and LOTS OF POWER swinging a 24X10 carbon. Will hover a 31.5% Lanier Staudacher.

The 70 twin gas is the littlest bicyilinder of the big Aviomac family.

This is a 70cc 2-Stroke Gasoline/Oil bicylinder which operates in the "Boxer Style" system with opposed cylinders that fire simultaneously for more power, ideal balance and greatly absence of vibrations, that normally are present in other engines.

To elevate these excellences, the crankshaft has been totally obtained from a whole steel bulk and the connecting rods are obtained from ergal and made by utilizing CNC machinery and precision castings.

All of this is supported by aerospace quality ball bearings with high smoothness.

The chromium-plated cylinders use dual-ring pistons which guarantee considerable performances.

The alimentation is supplied by a reed block valve and by a very reliable Walbro carburettor.

Fore more info see www.aviomac.com

Thanks,
Ryan Gonzagowski
[email protected]
ProBro 124



 

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What is the width of the engine? The website doesn't list this and I'm looking for an engine to put into an Ohio RC 75" Ultimate bipe. The cowl is quite narrow. Thanks,
 

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Discussion Starter · #3 ·
From sparkplug cap-to-cap is 11 inches.From sparkplug tip-to-tip is 10 3/8 inches.If you take and re-wire the ignition leads so that the ends slip over the plug end then the clearence is 10 3/8 inches.This is using NGK BMR7A sparkplugs. From what I have read there are "short" plugs that will fit and give more clearence.Other dimensions are 7 1/8 inches from mount-to-prop-hub. From head-to-head is 8 3/4 inches.
 
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