Cashmoor warbird fleet size increase

  • kevinross
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5 years 3 months ago #18742 by kevinross
Replied by kevinross on topic Cashmoor warbird fleet size increase
hi JRI
its 73" span - I dare not calculate the wing loading ! - A saving grace may be that the root cord depth is 3" so it should generate good lift
Pneumatic retracts by YT Stock exhaust with silicone extensions to exit the cowl below
Think my first task is to rework the nose weight as per your MIG and hopefully reduce AUW
Q1 On your DLE 35 What- prop for pre & post running in.
Q2 what exhaust are you using.

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5 years 3 months ago #18747 by JRI
Replied by JRI on topic Cashmoor warbird fleet size increase
Hi Kevin, my MiG.3 is running a 3W 55with a Krumscheid tuned pipe, The Sbach has an OS33 GT with standard pipe amd an 18x10 APC

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5 years 3 months ago #18808 by kevinross
Replied by kevinross on topic Cashmoor warbird fleet size increase
Ive already said this model is heavy so In order to reduce the total I've optimised ballast by configuring it in a MS / PB / MS "bagel" on outriggers from the engine mounts. Just need some longer HT bolts to bring the bagel directly behind the cowl.
Attachments:

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5 years 3 months ago #18809 by JRI
Replied by JRI on topic Cashmoor warbird fleet size increase
May the lead compress if you clamp the bagel with the engine mount bolts?

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5 years 3 months ago #18810 by 4Pedalsfly
Replied by 4Pedalsfly on topic Cashmoor warbird fleet size increase
Kevin - Interesting solution but would it not be simpler to epoxy a cast lead billet into the front of the cowl ?
What size & length of socket screws do you need - I'll have a look in my stock, worked for many years in
the fastener industry. ?

Colin.

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5 years 3 months ago #18811 by kevinross
Replied by kevinross on topic Cashmoor warbird fleet size increase
Thought about compressing the lead and will post the solution

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