The tube OD is easily measured. The wall thickness can be measured if the firewall is removed and the exposed tube have not been welded shut.

Hi Jim, The ‘lump’ or backplate is about three inches long. The engine and backplate was removed from a standard Mk II Nipper that was originally been fitted with a Stamo 1400cc engine (and backplate) from new. At some point the engine had been replaced with a 1600cc unit and fitted with a several o...

Hi Jim, you underestimate the weight of the VW type fitted to the original Mk II Nipper. The engine had a useless lump of metal attached to its rear. This lump is then bolted with the engine to the airframe. The lump weighed (my estimate) of perhaps 10 kg or more! The dimensions of the lump’s fusela...

Ross, I think the point of the Nippers is to have affordable and enjoyable flying; it doesn’t matter which way up you do it. If it puts a smile on your face, job done. Now back to weight and balance. When added or subtracted, ‘motion-lotion’ in the fuel tank of a Nipper is shown in the Owners Manual...

Hi Ross, You are absolutely correct in the requirement to check the empty weight and balance after any significant change in equipment added or removed to or from the aircraft. Rather surprised a change of engine type got past an inspector. As to your point, ‘Also the pilot sits a little aft of the ...

The engine is probably of little use. It will make a nice restoration project if everything else is present.

£1,500 would be my offer.

Well, the owner of this Nipper won many competitions with this setup… “Judging an aerobatic sequence involves assessing the flight path and attitude of the competing aircraft as it flies each figure…” Note ‘flight path’ in that. If you have ever flown or watched a protracted inverted level flight in...

Ross.

Are the stud threads required to be ‘cut’ or ‘roll’ formed?

As owners of Tiger Moth aircraft found out a few few years ago, such detail is important.

Gone to landfill.

Gone to landfill.

Gone to landfill.

Gone to landfill.

Gone to landfill.

Gone to landfill.

FOR SALE. Klemm Co. Gascolator. This is an unused item purchased many years ago during a trip to Oshkosh. It lacks the water drain valve. These are still manufactured by Klemm and sold through Aircraft Spruce. OFFERS. P&P at cost. Located mid Norfolk. 4A868CD3-A16C-46AB-8F0D-F3429AB335B5.jpeg E0...