Hi Ian, Tom says thanks for your ditto squawk report, and on the NZ Mosquito restorations - very cool. We just last night ended our latest audiobook (bedtime story) of the memoir of a WWII German ace night fighter; it was the Mosquito which put an end to his exploits hunting in the bomber streams, being much faster than his Messerschmidt and having better onboard radar detection capabilities...
https://www.amazon.co.uk/Duel-Under-Stars-Memoir-Luftwaffe/dp/1784382582 Kristin On Tue, Jun 12, 2018 at 9:01 AM Ian Williams <[email protected]> wrote: > Hi Tom. > That's interesting .... I have had the same problem with our Dimona. It > was caught just prior to breaking. > The manufacturing quality was really bad. I think it had been bent in a > vice > as you could see the vice jaw marks. > I made another one using a piece of 4130 steel , made twice the length of > the bend and bent it over a mandrill. > Of interest, the person I "scrounged: the piece of 4130 from is the builder > of the Mosquito wooden airframes. His workshop is just up the road from us. > They are currently producing the 5th fuse from the moulds > > Kind regards > Ian Williams > Tel: +64-21-980-194 > > *** Please note our new email address *** > > > On 6/06/2018, at 8:00 AM, Tom Preisser <[email protected]> wrote: > > > > Hi all, > > > > I always reach in the engine compartment and tug on the engine tension > cables that resist the motor's thrust as part of my pre-flight. This > morning all was well on the left side, but on the right side I felt > nothing, > because it was lying on the engine compartment floor. The steel 45 degree > tab that anchors the turnbuckle and attaches to the firewall had failed > completely, broken in half, apparently some time during the previous flight > (probably taxiing on bumpy tway Charlie). Several hours before I had > noticed a loosening of that cable and had adjusted the turnbuckle > accordingly and tightened the through-firewall bolt which holds the tab, > under the assumption that the looseness had been caused by the tab having > rotated slightly. In fact, it appears that was the beginning of the end > for > that tab. The factory had put a rather sharp bend in this piece of steel > (spec: 1.7734.1) - perhaps without normalizing afterward. This is an > original piece with 1700 hours on it (and not itself a life-limited part, > unlike the silent blocks and the turnbuckles and tension cables). I > recommend that if you detect any looseness in your cables that you inspect > the tab closely! I have replaced it using a piece of mild steel that is 3 > mm thick rather than the original 2 mm. > > > > Regards, > > > > Tom > > <WP_20180603_11_35_10_Pro.jpg> > > <WP_20180603_11_35_27_Pro.jpg> > > <WP_20180603_11_35_33_Pro.jpg> > > <WP_20180604_16_01_55_Pro.jpg> > > > > --------------------------------------------------------------------- > > You are subscribed to the Dimona Owners Group mailing list. > > To unsubscribe, send email to: [email protected] > > > > --------------------------------------------------------------------- > You are subscribed to the Dimona Owners Group mailing list. > To unsubscribe, send email to: [email protected] > >
