HM Andersen

The weight of the Volvo was told me from the factory to be 182 KG. This weight was without any declaration of accessories and I kind of doubt it.The Volvo being a 5 cylinder inline should be leighter than the Audi V6 ,which was offered to me by a swedish used carparts dealer,or whatever that trade is called in proper english. He claimed he could send it for the price of a 134KG package.But also told me that it was extremely easy for him to sell ,because they tend to break down.I am very interrested in the accurate weight of the Volvo. The length was 70cm

Right mr Slade This hard working man with the maximum size shovel would not work as fast as if the showel was a little smaller but shovelling faster. This ballanceses up to max torque is at a lower RPM than max hp HM

Hi mark allways nice and educational to follow your paths on the net.Like your Cozy to. Maybe because english is a foreign language to me I could still be a little confused about this hp thing. When my son pops the same question I try to explain it this way: If the engine was a hard working man shovelling sand, the torque would be the size of the shovel (lbs/ft) and the hp would be the amount of sand moved within a certain time (work produced).Please correct me if I am wrong. In terms of an aircraft engine maybe the thrust would be a better measurement to use allthough now also the reduction unit and the prop gets involved. In a european magazine "aeromarkt.com"there was an article claiming the Thielert TEA 125 to have a " Standshub "German for standing push mounted in a warrier III of 265 KG = 583 pounds. Compared to the original O-320 of 210 KG = 462 pounds.I dont know the figures for a O-360. HM

When a tractorsalesman tries to make me buy one of his fantastic mashines.He is able to document how many gram of diesel the engine consumes to produce 1KWh.This information is hard to get on both aircraft and automotive engines. Expirience shows that where my wifes Volvo V 70 (170 hp)drives 25,8 mpg gasoline, a similar car used as taxi (163 hp) drives 44,6 mpg Diesel. Now I do believe the auto engine to be more economical than a lycoming.But if the figures from theese engines are to be used,then the range of the Cozy could increase from 1000 miles to 1728 plus the increase of reserve fuel.So you might say that the range has doubled. In denmark the price of jetfuel, wich will work with the diesel engine,is about 1/2 of the 100LL. These are the only fuels aviable at our airfields. The Subaru solution might not be bad.But they are rare in these parts. With a diesel you will never have carburettor ice or malfunctional ignition. You might suffer from injection or computer errors,and it might be difficult to add a backup

When I bought the plans for the COZY Nat also supplied an aircraft performance report from CAFE ,wherein test pilot C.J.Stephens comment on turbolence quote:"the flexibility of the nongraphite fiberglass/foam structure also helps soften the turbolence" HM

Hi I am new in this forum Being a European I have a different angle to fuel.In Denmark one gallon of 100LL cost $ 4,80 And the Germans fly in from a 100 mile radius to get our cheap gas!!!! I recognize that wonderful aircrafts are being designed in the US.But the engines.... You probably understand why I am very much hooked on the idea of a diesel in my cozy to come. The options as I see them are. The approved 135 hp Thielert diesel I consider to weak allthough it performs a better thrust than the O 320. Of car engines there could be two alternatives. The Audi V6 2,5 liter 180 hp is supposed to weigh around 295 lbs.But has a bad reputation regarding reliability. Volvo has come up with a 2,4 liter 5 cylinder inline developing 163 hp.Like the Audi made of aluminum.I have been mailing with the factory , who politely wishes me all the luck,but are not enthusiastic about supplying data.This engine should be used in Sweden in a PA 25 for towing gliders. At present time I am truing to get in touch with the owner.